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University M taorilm s International 300 N. Zoob Road Ann Arbor, MM01O6 8303801 Holder, Bobby Joe AGRICULTURAL UTILIZATION OF A MYCELIA FILTER CAKE Michigan Siaie University University Microfilms International Ph.D. 300 N. Zeeb Road, Ann Arbor, MI 48106 1982 AGRICULTURAL UTILIZATION OF A MYCELIA FILTER CAKE By Bobby Joe Holder A THESIS Submitted t o Michigan S t a t e U n iv e r s it y In p a r t i a l f u l f i l l m e n t of th e requirem ents f o r th e degree o f DOCTOR OF PHILOSOPHY Department of Crop and S o i l S c ie n c e s 1982 ABSTRACT AGRICULTURAL UTILIZATION OF A MYCELIA FILTER CAKE BY BOBBY JOE HOLDER A study was c o n d u c t e d a t t h e a g r i c u l t u r a l e x p e r i m e n t f a r m of Upjohn P h a r m a c e u t i c a l C o . , Kalamazoo, M i c h i g a n t o e v a l u a t e a g r i c u l t u r a l lan d ap p licatio n production. of m y celia filte r cake d e riv e d Li n c o m y c i n m y c e l i a f i l t e r * c a k e was a p p l i e d from lin c o m y c in to a Kalam azoo s a n d y loam s o i l ( f i n e - l o a m y , m i x e d , m e s i c T y p i c H a p l u d a l f ) i n t h e s p r i n g o f 1980 and 1981 a t r a t e s o f 0 , 7 . 5 , 1 6 . 0 a n d 3 0 . 5 d r y m e t r i c to n s/h a. T h e l i n c o m y c i n f i l t e r c a k e p r o v e d t o x i c t o c o r n i n 1980 s o w i n t e r whe at was p l a n t e d t o h a l f o f t h e f i e l d change in the to check r e s id u a l lincom ycin p ro d u ctio n process toxic effects. a n d a p e r i o d o f 34 d a y s b e t w e e n a p p l i c a t i o n o f t h e f i l t e r ca k e and p l a n t i n g o f c o r n r e s u l t e d no t o x i c effects t o c o r n i n 198 1. and 4 1.7 h l/h a I n 1981 t h e y i e l d fo r 0, f i l t e r cake, r e s p e c t i v e l y . h l/h a of wheat c o r n g r a i n a n d c o r n l e a f t i s s u e , a l l f r o m t h e 1981 c r o p s , showed no u p t a k e o f l i n c o m y c i n . 3 1.2, in The w i n t e r w h e a t showed no r e s i d u a l t o x i c i t y fr o m t h e 1980 a p p l i c a t i o n o f l i n c o m y c i n a n d s a m p l e s g rain , A for the same r a t e s o f w h e a t was 1 5 . 8 , 7 . 5 , 1 6 . 0 , and 3 0 . 5 d r y m e t r i c t o n s / h a o f The c o r n y i e l d s respectively. were 49, 67, 84, a n d 90 The y i e l d s f o r t h e h i g h r a t e s compared w e l l w i t h c o m m e r c i a l l y f e r t i l i z e d f i e l d s s im ila r s o il types. 26.5, o f c o r n a n d w h e a t on Bobby Joe Holder Data from s u c t i o n cup l y s l m e t e r s a n d f r o m s o i l s a m p l e s showed t h a t NO3 and s o l u b l e - s a l t e w ere moving downward t h r o u g h t h e B o i l p r o f i l e and th a t the co n v ersio n from NH 4 to NO3 w as s l o w e d down by t h e lincom ycin w astes. The resu lts from t h i s experim ent in d ic a te t h a t a p p l i c a t i o n of l i n c o m y c i n m y c e l i a f i l t e r c a k e on a g r i c u l t u r a l l a n d a t t h e r a t e dry m e tric to n s /h a of groundw ater. is degraded 16.0 i s e n v i r o n m e n t a l l y s a f e w i t h r e g a r d t o NO3 p o l l u t i o n When a d d e d t o t h e s o i l , by s o i l organism s t h i s a n t i b i o t i c w aste m a t e r i a l into useful n u trie n ts . a r e r e a d i l y u t i l i z e d by c r o p s a n d i n t o the p la n t. of th e an tib io tic is These n u t r i e n t s not tran slo cated DEDICATION t o A1 and S m i l a c i n a ii ACKNOWLEDGMENTS I would l i k e to acknowledge my a p p r e c ia t io n to Dr. Boyd E l l i s , ray major p r o f e s s o r , f o r h i s c o n s ta n t support through my PhD. program . H is e x p e r t i s e i n s o i l ch em istry i s w e l l acknowledged but i s f a r overshadowed by h i s e a s y - g o i n g manner and h i s w i l l i n g n e s s t o h e l p i n any manner p o s s i b l e , w h e th e r academ ic or o t h e r . S o i l chem istry i s but one of the many t h in g s X have le a r n e d from Dr. E l l i s through c o u n c e lin g and through p e r so n a l o b s e r v a t io n . I would a lso lik e t o th a n k my g u i d a n c e c o m m it t e e , Dr. Bernard K n ezek , D r. John S h i c k l u n a , and Dr. M a r tin H e t h e r i n g t o n f o r c o n s ta n t support throughout my PhD. program. Ms. T e r e s a H u g h es, b o t h f o r h e r h e l p i n th e ir I am a l s o very g r e a t f u l to th e l a b o r a t o r y and f o r h er fr ie n d ly ear. To th e Upjohn P h a r m a r e u t ic a l Co. I would e x p r e s s my a p p r e c ia t io n because w ith ou t t h e i r support t h i s t h e s i s would not have been p o s s i b l e . A lso , I would l i k e to e x p r e s s my g r a d itu d e to Walt Z in t e r , Ron Sommers, and Wes Flower, a l l from t h e Upjohn C o . , for th e ir w illin g and a b l e a d v is e and help i n th e c o m p letio n o f t h i s s tu d y . I r e s e r v e my d e e p e s t t h a n k s t o Puky and our b a b i e s M e l a n i e , Bobby, and Mandy f o r t h e i r c o n s ta n t and f a i t h f u l su p p o rt. I w ould l i k e t o thank my w if e Suzi f o r th e many tim es she has had to “b i t her tongue" throughout my years o f graduate s c h o o l . iii I w ould also lik e to thank John f o r h is thoughout the w r i t i n g of t h i s t h e s i s , faith . iv advise and P o rk ey f o r h i s and s u p p o r t never ending TABLE OF CONTENTS LIST OF T A B LE S ...................................................................................................................v i INTRODUCTION ..................................................................................................................... 1 LITERATURE REVIEW.................................................................................................................3 MATERIALS AND METHODS..................................................................................................... 11 F ie ld Studies • • • ...................................................... • • * • > > ■ 1 1 L a b o r a t o r y M e t h o d s ................................................................................................ 14 RESULTS AND DISCUSSION ............................................................................................. 15 SUMMARY AND CONCLUSIONS................................................................................................31 LIST OF REFERENCES..........................................................................................................33 APPENDIX..................................................................................................................................39 v LIST OF TABLES TABLE Page 1. R a t e s o f a p p l i c a t i o n o f m y c e l i a f i l t e r ca ke i n 1980 . . . 12 2. A n a l y s i s t h a t were p e r f o r m e d on s o i l s a m p l e s .....................................13 3. E f f e c t o f l i n c o m y c i n m y c e l i a f i l t e r ca ke on g r o w t h and y i e l d o f c o r n i n 1980 .................................................................... 15 4. Y i e l d o f w h e a t fr om r e s i d u a l m y c e l i a f i l t e r c a k e ............................17 5. Y i e l d o f c o r n a s a f f e c t e d by r a t e o f m y c e l i a f i l t e r c a k e a p p l i e d i n 1 9 8 1 ......................................................................................... 17 . T o t a l n i t r o g e n i n e a r l e a f o f c o r n a s a f f e c t e d by a p p l i c a t i o n o f m y c e l i a f i l t e r c a k e ....................................................... 18 6 7. 8 . 9. N u t r i e n t c o n t e n t o f c o r n e a r l e a f a s a f f e c t e d by m y c e l i a f i l t e r ca k e a p p l i c a t i o n ...................................................... 19 N i t r a t e c o n t e n t o f s o i l a s a f f e c t e d by t h e a p p l i c a t i o n o f l i n c o m y c i n m y c e l i a f i l t e r ca ke i n 1980 .............................. 20 Ammonium c o n t e n t o f s o i l a s a f f e c t e d by t h e a p p l i c a t i o n o f l i n c o m y c i n m y c e l i a f i l t e r c a k e i n 1980 .............................. 21 10. N i t r a t e c o n t e n t o f s o i l a s a f f e c t e d by t h e a p p l i c a t i o n o f l i n c o m y c i n m y c e l i a f i l t e r c a k e i n 1981 . ..........................22 11. Ammonium c o n t e n t o f s o i l a s a f f e c t e d by t h e a p p l i c a t i o n o f l i n c o m y c i n m y c e l i a f i l t e r c a k e i n 1 9 8 1 ................................... 23 12. N i t r a t e a nd s o l u b l e s a l t c o n t e n t o f s o i l w a t e r e x t r a c t e d by s u c t i o n l y s l m e t e r s i n 1980 ................................... 27 13. N i t r a t e a nd s o l u b l e s a l t c o n t e n t o f s o i l w a t e r e x t r a c t e d by s u c t i o n l y s l m e t e r s i n 1 9 8 1 ........................................ 27 14. S p e c i f i c c o n d u c t a n c e o f s o i l a s a f f e c t e d by t h e a p p l i c a t i o n o f l i n c o m y c i n m y c e l i a f i l t e r c a k e i n 198 0. . . . 29 S p e c i f i c c o n d u c t a n c e o f s o i l a s a f f e c t e d by t h e a p p l i ­ c a t i o n o f l i n c o m y c i n m y c e l i a f i l t e r ca k e i n 198 1. . . . 30 15. vi INTRODUCTION Many i n v e s t i g a t o r s h a v e s u g g e s t e d th at l a n d a p p l i c a t i o n may be a s a t i s f a c t o r y u l t i m a t e d i s p o s a l metho d f o r a n t i b i o t i c w a s t e s . has it been found t h a t many o f t h e s e w a s t e s c o n t a i n v a l u a b l e n u t r i e n t s wh ich c o u l d be u s e d by a g r l c u t u r a l allev iates many p r o b l e m s crops, but land ap p licatio n also e n c o u n t e r e d by a t t e m p t s t o d i s p o s e of th e s e wastes in s a n i t a r y l a n d - f i l l s , dum ping. N ot o n l y o r by i n c i n e r a t i o n , com posting or ocean O t h e r b e n e f i t s i n c l u d e d e f r a y e d f e r t i l i z e r c o s t s , and u s e o f m y c e l i a a s a good s o i l amendment. Of g r e a t i m p o r t a n c e i n wastes to a g r i c u l t u r a l maximum c r o p co n sid erin g land i s the a p p l i c a t i o n of a n t i b i o t i c a managem ent syBtem w h ich w i l l a l l o w p ro d u ctio n w ithout d e g r a d i n g t h e e n v i r o n m e n t and a t t h e same t i m e a p p l y i n g t h e maximum p o s s i b l e am ounts o f t h e s e w a s t e s . The m a j o r c o n c e r n s a s s o c i a t e d w i t h t h e u s e o f a n t i b i o t i c w a s t e s on ag ric u ltu ra l l a n d a r e NO3 p o l l u t i o n o f t h e g r o u n d w a t e r , i n h i b i t e d c r o p g r o w t h due t o t h e b u i l d - u p o f s o l u b l e - s a l t s , a n d a d d i t i o n o f some t o x i c m a te r ia l to th e s o i l . Thus, th e m ajor o b j e c t i v e management s y ste m to u t i l i z e of th is m ycelia e x p e r i m e n t was t o filte r cake w aste develop a from th e lincom ycin p ro d u c tio n p ro cess in i n c r e a s i n g a g r i c u l t u r a l p ro d u c tio n . Specific objectives w ere to : 1) e v a l u a t e land ap p licatio n of l i n c o m y c i n m y c e l i a f i l t e r c a k e on a g r i c u l t u r a l l a n d and t o d e t e r m i n e t h e optimum a p p l i c a t i o n r a t e s t o o b t a i n s a t i s f a c t o r y y i e l d s o f c o r n and 2 w in te r wheat; If it is 2 ) d e t e r m i n e I f l i n c o m y c i n I s a b s o r b e d by c o r n o r w h e a t a n d decom posed in the so il; and 3) determ ine t h e maximum a p p l i c a t i o n r a t e o f f i l t e r ca k e t h a t may be made w i t h o u t l e a c h i n g NO3 . LITERATURE REVIEW One o f t h e many c h a l l e n g e s u ses f o r th e enormous q u a n t i t i e s g en erated f a c in g a g r i c u l t u r a l i s t s i s to develop of m u n i c ip a l and i n d u s t r i a l by man (De Roo, 1 9 7 5 ) . t o t h e s o i l where p l a n t p ro p erties w astes Many o f t h e s e w a s t e s c a n be r e t u r n e d n u trien ts may be r e c y c l e d and s o i l p hysical i m p r o v e d i n s t e a d o f d i s p o s i n g o f them i n dumps and l a n d f i l l s o r by i n c i n e r a t i o n . Land a p p l i c a t i o n h a s become a n a t t r a c t i v e u l t i m a t e d i s p o s a l method f o r sewage s l u d g e a n d c e r t a i n t y p e s o f o r g a n i c w a s t e s . good r e a s o n s to use the There are very s o i l - p l a n t system f o r o rg a n ic waste d is p o s a l: a ) human p a t h o g e n i c a g e n t s p r e s e n t i n t h e w a s t e m a t e r i a l s do n o t r e a d i l y s u r v i v e i n t h e h o s t i l e s o i l e n v i r o n m e n t ; b) s o i l s c a n d e t o x i f y h a z a r d o u s organics by a d s o r p t i o n n u trien ts present follow ed by m i c r o b i a l decom position; c) th e I n t h e w a s t e m a t e r i a l s a r e r e c y c l e d t o c r o p s ; and d) th e s o i l m ic ro b ia l p o p u la tio n has th e a b i l i t y to r a p i d l y degrade o rg a n ic m aterials to u n o ffen siv e p ro d u cts i n t e r m e d i a t e s of d e g r a d a t i o n . is far and to sy n th esize hu mu s f r o m t h e A lso, land a p p lic a tio n of o r g a n ic w a s te s c h e a p e r t h a n a l t e r n a t i v e t r e a t m e n t m e th o d s ( N e l s o n and Sommers, 1979). The p e r i o d I n w h i c h t h e m a j o r i t y o f a n t i b i o t i c s w er e d i s c o v e r e d was f r o m 1945 t o 1960 ( B e w i c k , 1 9 7 7 ) . of th e i n i t i a l in v e stig atio n s During t h i s p erio d of tim e most on t h e e f f e c t s o f a n t i b i o t i c s i n s o i l s , u p t a k e o f a n t i b i o t i c s by p l a n t s , a n d t h e e f f e c t s o f a n t i b i o t i c s on p l a n t 3 4 p a t h o l o g y w ere c a r r i e d o u t . of resources T h e r e was l i t t l e and th e p o s s i b l e w a s t e s , and t h e r e f o r e , p o llu tio n effects the w aste m a t e r i a l s m a t e r i a l t o be d i s c a r d e d . e m p h a s i s on t h e r e c y c l i n g of the ferm entation w ere s im p ly r e g a r d e d as a Towards t h e end o f t h i s p e r i o d p h a r m a c e u t i c a l companies b e g a n t o l o o k a t t h e f i e l d of anim al f e e d s t u f f s a n d some c o m p a n ie s beg an t o m a r k e t t h e f e r m e n t a t i o n w a s t e a s an a n i m a l f e e d , w i t h a d d itio n a l b e n e fits th a t the r e s i d u a l a n t i b i o t i c s in creased vitam in appetite, In th e l a t e tow ard f e e d s t u f f l o n g e r be s o l d a s f e e d s t u f f . and i t th e p ric e of closer exam ination has th e re was a change in a n d f e r m e n t a t i o n w a s t e c o u l d no More c o n c e r n was shown f o r t h e e n v i r o n m e n t f o r t h e p h a r m a c e u t i c a l co m p an ie s t o dump t h e i r w a s t e s . Alon g w i t h t h i s , in 1960’s ad d itiv es became more d i f f i c u l t in crease grow th, i n c r e a s e d e f f i c i e n c y o f f o o d c o n v e r s i o n and r e d u c e d req u irem en ts. attitu d es stim ulated in the early raw m a t e r i a l s , had to 1 9 7 0 's there in clu d in g be made o f t h e was a g r e a t fertilizers, lim its and of our n a tu r a l resources. The a p p l i c a t i o n o f ag ricu ltu ral because of so ils the is In d u strial today w astes receiv in g and greater sew age slu d g es and g r e a t e r on em phasis i n c r e a s i n g e n e r g y r e q u i r e m e n t s f o r maximum c r o p y i e l d s an d c o s t s a s s o c i a t e d w i t h t h e a l t e r n a t i v e d i s p o s a l m e t h o d s . The am o un ts o f t h e s e w a s t e s b e i n g p r o d u c e d h a s I n c r e a s e d e a c h y e a r a s o u r s o c i e t y became more t e c h n o l o g i c a l l y o r i e n t e d for and as the demand c u r r e n t a n t i b i o t i c s i n c r e a s e d and new a n t i b i o t i c s w er e b r o u g h t i n t o production. A lso, the in c re a se d c o s ts o f N f e r t i l i z e r s econom ic i n c e n t i v e s for have p ro v id e d t h e u s e o f i n d u s t r i a l and m u n i c i p a l w a s t e s on a g r ic u ltu r a l land. These w astes c o n t a i n co n sid erab le N, a s w e l l a s o t h e r n u t r i e n t s 5 w hich a r e v alu ab le (Sommers e t a l., to the ag ricu ltu ral in d u stry . Recent rep o rts 1 9 7 9 ; N e l s o n and Sommers, 1979; De Roo, 1975; W r i g h t , 1975 a n d 1978) h av e i n d i c a t e d a c t i v e r e s e a r c h p r o g r a m s ai me d d i r e c t l y a t t h e u s e of c e r t a i n i n d u s t r i a l w a s te s such as m y c e lia f o r a g r i c u l t u r e . Many s t u d i e s h a v e shown th at pure an tib io tics r u m i n a n t s , t u r k e y s and c h i c k s s t i m u l a t e g r o w t h ( B e w i c k , lev els range fed to 1977). b e t w e e n 2 a n d 5 0 ppm o f t h e a n t i b i o t i c s . sw ine, O pti m um The s t i m u l a t e d g r o w t h , i n c r e a s e d a p p e t i t e , and i n c r e a s e d e f f i c i e n c y o f f o o d c o n v e r s i o n a p p e a r e d t o be due t o t h e a c t i o n o f t h e a n t i b i o t i c s on t h e m i c r o f l o r a o f t h e a n i m a l s a s g e r m - f r e e a n i m a l s showed no s u c h r e s p o n s e ( B e w i c k , H u n g at e e t a l . , 1955; K l o p f e n s t e i n e t a l . , A n tib i o tic s such a s 1964). ch lo rtetracy clin e and o x y t e t r a c y c l i n e r o u t i n e l y f e d t o l i v e s t o c k and p o u l t r y t o i n c r e a s e w e i g h t g a i n efficien cy a n d t o m a i n t a i n an im al h e a l t h (Addis e t a l . , a l . , 1975; G i l l i a m a nd M a r t i n , b e e n sho wn t o 1975). and f e e d 197 6, Brown e t be e x c r e t e d i n s i g n i f i c a n t q u a n t i t i e s i n f e c e s an d u r i n e 1 9 7 7 ; Webb and F o n t e n o t , et a l., are A n t i b i o t i c s I n g e s t e d i n f e e d have (Elmond e t a l . , 1971; M o r r i s o n e t a l . , a l., 1977; 1969; T ietjen , 1 9 7 5 ; Warman e t 1975). M orrison e t a l . , ( 1 9 6 9 ) and Elmond ( 1 9 7 1 ) r e p o r t e d t h a t 75% o f t h e a n t i b i o t i c c h l o r t e t r a c y c l i n e f e d t o c a t t l e was r e c o v e r e d fr om manure a nd t h a t t h e e x c r e t e d a n t i b i o t i c had a h a l f - l i f e of l e s s th a n Two t y p e s o f 20 o rg an ic days. w astes are b y -p ro d u cts of a n tib io tic p r o d u c t i o n ( N e l s o n a n d Sommers, 1 9 7 9 ) : 1 ) m ycelia of mat ( m i c r o b i a l c e l l s so lid s from th e b ro th and f i l t e r a i d ) f r o m f i l t r a t e s used as a g row th m edia for a n tib io tic - p r o d u c in g organism s. 2 ) the sludge from a e r o b ic d ig estio n ( a c t i v a t e d tre a tm e n t) of 6 the ferm en tatio n b ro th a f t e r s e p a ra tio n of the product. T h i s i s shown d i a g r a m a t i c a l l y a s f o l l o w s : F e r m e n t e r ----- by p r o d u c t | recovery m ycelial slurry vacuum filter broth an tib io tic ;> MYOF.TiTA — clarifier tank SLUDGE effluent DISCHARGE advanced treatm ent Barker e t a l . ( 1 9 5 8 ) exam ine d t h e p o s s i b i l i t i e s o f s p e e d i n g up t h e breakdown o f a n t i b i o t i c w a s t e s u s i n g c o m p r e s s e d a i r i n a sewage t a n k and achieved 80-90% r e d u c t i o n I n B.O .D . A eratio n of ox yg en was a l s o f o u n d t o p r o d u c e 90% r e d u c t i o n i n a l., 1975). H ilg art (1950), Hurwitz e t a l . w aste B.O .D . (Lederman e t ( 1 9 5 2 ) , Cushman and Hayes ( 1 9 5 6 ) , a nd Tompkins ( 1 9 5 7 ) d e v e l o p e d e f f e c t i v e a n tib io tic la g o o n s w ith pure m ethods for trea tin g p r o d u c e d by t h e Upjohn Company, M i c h i g a n , U . S . A . , and B . O . D . , r e d u c t i o n o f 97% was a c h i e v e d . Several oth er p h arm aceu tical c o m p a n i e s a l s o h av e b i o l o g i c a l t r e a t m e n t p l a n t s t o r e d u c e t h e B.O.D. o f f e r m e n t a t i o n w astes (Reimers e t a l . 1954; Howe and P a r a d i s i o , (1954); Edmondson, b o th m u n i c ip a l and i n d u s t r i a l , has reached p ro d ig io u s q u a n t i t i e s i n r e c e n t y e a r s . d isp o sal such as b u rn in g , b u rial, d i s c h a r g i n g have b e e n b a n n e d o r s e v e r e l y accep tab le m ethods L io n tas, 1956; Horne and R i n a c a , 1 9 6 0 ) . The p r o d u c t i o n o f o r g a n i c w a s t e s , of 1954; Many p a s t p r a c t i c e s o c e a n dum ping, re stric ted . and s tr e a m Even t h e more o f d i s p o s a l , s u c h a s i n c i n e r a t i o n and l a n d f i l l , are u n d e r a t t a c k b e c a u s e o f t h e i m p a c t on t h e e n v i r o n m e n t . These d isp o sal problem s, along w ith th e concept m a t e r i a l s a r e v a l u a b l e as s o u r c e s of p l a n t n u t r i e n t s o r t h a t many o f t h e as s o i l 7 co n d itio n ers, have resu lted in an i n c r e a s e in land a p p lic a tio n s of o r g a n i c wastes* S e v e r a l s t u d i e s h a v e c o n c l u d e d t h a t m o d e r a t e a p p l i c a t i o n o f sewage s l u d g e s and o t h e r w a s t e s c a n i n c r e a s e a l., 1975; D olar e t 1972; Sabey e t a l . , a l., 1975). 1972; crop p ro d u c tio n H inesly e t a l . , (C unningham e t 1972; King a n d M o r r i s , Most o f t h e s e i n v e s t i g a t i o n s have related i n c r e a s e d y i e l d s to i n c r e a s e d l e v e l s o f N from th e o r g a n i c w a s te s . In term s o f the b eh av io r of a n t i b i o t i c s in so ils, they c a n be c l a s s i f i e d in to th re e groups. 1) B asic a n tib io tic s (i.e . strep to m y cin , n eom ycin e r y t h r o m y c i n ) a r e a d s o r b e d r a p i d l y by c l a y p a r t i c l e s and and o r g a n i c m atter. 2) A cidic a n t i b i o t i c s , s u c h a s p e n i c i l l i n and c h l o r a m p h e n i c a l , a l t h o u g h n o t a d s o r b e d , a r e I n a c t i v a t e d r a p i d l y by m i c r o - o r g a n i s m s in the s o i l . 3) A m p h o teric a n t ib io t ic s (i.e . aureom ycin, terram y cin and b a c i t r a c i n ) c a n a c t e i t h e r a s a c i d s o r b a s e s , b u t a s t h e pH o f t h e s o i l i s u s u a l l y bel ow t h e i s o e l e c t r i c p o i n t o f t h e a n t i b i o t i c t h e y b e h a v e a s b a s e s and a r e a d s o r b e d o n t o c l a y m i n e r a l s . T he a d s o r p t i o n of a n tib io tics by s o i l h a s b e e n shown by many w o r k e r s (Waksman an d W o o d r u f f , 1942; F ra m e r a n d S t a r k e y , 1 9 5 1 ; 1952; H essayon, (1951), G o ttlie b , G regory e t a l., 1 9 5 3 ) a nd s t u d i e d e x t e n s i v e l y be S i m i n o f f a nd G o t t l i e b S im in o ff and M artin (1952), G o ttlieb and S im in o ff (1 9 5 2 ), J e f f e r y s (1 9 5 2 ) , M a r tin and G o t t l i e b (1952, 1955), P in c k , H olton a n d A l l i s o n ( 1 9 6 1 ) , P i n c k a nd A l l i s o n ( 1 9 6 1 , (1962), S o u lid es (1969), 1962), Pram er and S ta r k y an d G h o sal and M u k h erjl (1970). B asic a n t i b i o t i c s eg . s t r e p t o m y c i n , d i h y d r o s t r e p t o m y c i n , neomycin, k a n a m y c i n , 8 and ery th ro m y cin are adsorbed by th e ( r a o n t m o r i l l o n i t e ) , h y d ro u s m ica ( i l l i t e clay m in erals and b e n t o n i t e ) , k a o l i n i t e and v e rm ic u lite , although d if f e r e n t clays a d s o rb d i f f e r e n t sa m e a n t i b i o t i c (Pinck e t a l . , 1962). am ounts of by p h o s p h a t e a n d c i t r a t e c a n be r e l e a s e d buffers. This from th e release p r e v a le n t w ith am photeric than w ith b a s ic a n t i b i o t i c s (S o u lid e s 1961, P inck, S oulides and A l l i s o n G o ttlieb from c l a y s . (1951) In the and J e f f e r y s is clay m o re et a l., ( 1 9 6 1 ) . G h o s a l and M u k h e r j i ( 1 9 7 0 ) f o u n d t h a t d i f f e r e n t c a t i o n s can p r o d u c e d i f f e r e n t r a t e s strep to m y cin the A dsorption of a n t i b i o t i c s i s not a l w a y s p e r m a n e n t a n d so me a n t i b i o t i c s com plexes sm ectite case of (1952) of streptom ycin, found i t to be release of S i m i n o f f and in a c tiv e when a d s o r b e d on s o i l a nd m o n t r a o r i l l o n l t e ; w h e r e a s , P r a m e r and S t a r k e y ( 1 9 5 1 , 1953) r e p o r t e d i t t o be b a c t e r i c i d a l . Jefferys (1952) and Pram er and S ta r k e y (1951) r e p o r t e d t h a t i t u ndergoes m i c r o b i a l d e c o m p o sitio n . Bewick ( 1 9 7 7 ) found th at th e le v els p h o s p h a t e b u f f e r s f r o m c l a y s was g r e a t e s t a n d 30 p e r c e n t , resp ectiv ely ). 7 .4 per cen t, resp ectiv ely . t e m p e r a t u r e had l i t t l e ty lo sin in k a o lin ite released and i l l i t e by (25 B e n t o n i t e an d m o n t m o r i l l o n i t e c l a y s , w ith a higher cation-exchange c a p a c ity , and of showed t y l o s i n He a l s o , release p o in ts out of 7 th at e f f e c t on t h e amount o f t y l o s i n r e l e a s e d . .6 so il At a l l t e m p e r a tu r e s h i g h e r c o n c e n t r a t i o n s of f e r m e n t a t i o n w aste r e l e a s e d l a r g e r am ou nts of t y l o s i n . Many w o r k e r s h a v e ad so rp tio n M ukherji, cap acity 1970; shown th at f o r most of P inck, H olton, th e la ttice in these and k a o l i n i t e b asic a n tib io tic s an d A l l i s o n , A l l i s o n , 1961; S i m i n o f f a n d G o t t l i e b , non-expanding illite 1951). h a v e a low (G hosal and 1961; P i n c k , S o u l i d e s and This i s c la y s w ith r e s u l t i n g because of the r e s t r i c t i o n of 9 c a tio n -e x c h a n g e to th e o u t e r s u r f a c e s of th e c la y p a r t i c l e s . ( 1 9 6 4 ) h a s shown t h a t c a t i o n - e x c h a n g e i s h i g h e r i n i l l i t e M arshall because of th e p r e s e n c e o f h y d r a t e d l a y e r s i n t e r l a c e d w i t h t h e m ic a u n i t s o f t h e c l a y . Before the r e s i d u e f r o m a ny a n t i b i o t i c f e r m e n t a t i o n c o u l d be u s e d a s a f e r t i l i z e r i t would h a v e t o be d e t e r m i n e d w h e t h e r o r n o t low l e v e l s of the a n t i b i o t i c t h a t may be p r e s e n t would be t a k e n up by p l a n t s and wh at t h e e f f e c t s on g r o w t h , i f any, w ould b e . Numerous s t u d i e s b e e n c o n d u c t e d on t h e u p t a k e o f a n t i b i o t i c s by p l a n t s . r e v i e w e d by B r i a n ( 1 9 5 7 ) a n d Goodman ( 1 9 6 2 ) . have T h i s s u b j e c t was These s t u d i e s have been c o n c e r n e d m a i n l y w i t h t h e u p t a k e o f s t r e p t o m y c i n and i t s e f f e c t on p l a n t growth (Pram er, 1953; D urbin, 1961; Rosen, 1954; G ray, 1955; Dye, D r u r y and Khan, 1969; E l l i s and S i n c l a i r , a n d Bag, 1974; M u k h e r j i , Bag a n d P a u l , 1975). 1 9 5 5 , 1956; S r i v a s t r a , 1955), in h ib it could root greater than have 1953, Crowdy e t 1953). 1 00 u g / m l was f o u n d t o a n d s h o o t d e v e l o p m e n t i n many p l a n t s a l t h o u g h t h i s e f f e c t be r e v e r s e d G riseo fu lv in 1974; M u k h e r j i n eom ycin and t e r r a m y c i n (Pramer, Streptom ycin, a t c o n c e n t r a t i o n s and 1951; Crowdy e t a l . , 1966), c h lo ra m p h en ical (P r a m e r , and a u r e o m y c in , B ajaj O ther a n t i b i o t i c s a l s o been i n v e s t i g a t e d : g r i s e o f u l v i n (B ria n e t a l . , a l., 1956; by a d d i t i o n s o f Mn ( R o s e n , and c h l o r a m p h e n i c a l w ere a l s o 1954; G ray, 1955). f o u n d t o b e t a k e n up by p l a n t s , w h i l e a u r e o m y c i n , ne om y ci n and t e r r a m y c i n d i d n o t a p p e a r t o b e tak en up by c u c u m b e r s e e d l i n g s (Pram er, 1953). T h e r e h a v e b e e n no r e p o r t s i n t h e l i t e r a t u r e t o d a t e c o n c e r n i n g t h e u p t a k e o f low l e v e l s o f a n t i b i o t i c s contained in fe rm e n tatio n w aste. A ttempts to s e t g u id elin es on r a t e s of a p p lic a tio n of o rg an ic w a s t e s h a v e f r e q u e n t l y b e e n b a s e d on t h e N c o n t e n t o f t h e w a s t e s and t h e N demand o f t h e a g r o n o m i c c r o p ( P ow e r s e t a l . , 1 9 7 5 ) . S t u d i e s h a v e shown 10 that a p p lic a tio n s q u an tities of o rg a n ic w astes can cau se to groundw ater p o l l u t i o n l e a c h e d t h r o u g h t h e s o i l (Chang e t a l . , T herefore, rates 1973; sin ce so ils in larg e NO3 c a n be r e a d i l y King and M o r r i s , 1972). m u s t be c a r e f u l l y a s s e s s e d t o o b t a i n t h e d e s i r e d c r o p b e n e f i t s f r o m a d d e d N and y e t m a i n t a i n gen erally ag ric u ltu ra l a q u ality environm ent. It is r e c o m m e n d e d t h a t t h e amount o f p l a n t a v a i l a b l e N s u p p l i e d by o r g a n i c w a s t e be l i m i t e d t o l e s s crop grow n. Thus, than tw ice th e N req u irem en t of the t h e m i n e r a l i z a t i o n r a t e o f t h e add ed w a s t e must be known i n o r d e r t o c a l c u l a t e p r o p e r l e v e l s o f l a n d a p p l i c a t i o n . In the w ork m in eralizatio n lab o rato ry done rate by W r i g h t (1978) on m y c e l i a f i l t e r e x p e rim e n t he n o te d th at it was th at th at w a s t e was v e r y f a s t . the N In h ie a s much a s 95% o f t h e o r g a n i c N add ed was m i n e r a l i z e d w i t h i n 24 weeks o f i n c u b a t i o n . stated n o ted However, he a l s o t h e m i n e r a l i z a t i o n r a t e o f t h e f e r m e n t a t i o n w a s t e s was n o t as r a p i d i n h i s f i e l d occurring w ithin 8 tria ls w ith the h ig h e s t week s o f a p p l i c a t i o n . lev els of in o rg a n ic N MATERIALS AND METHODS F ie ld Studies M ycelia f i l t e r cake was ap p lied to a K alam azoo sandy loam ( f i n e - l o a m y , m i x e d , m e s i c T y p l c H a p l u d a l f ) by u s e o f a f l a i l s p r e a d e r a t r a t e s of 0, 7 . 5 , 1 6 . 0 and 3 0 . 5 d r y m e t r i c t o n s / h a and i m m e d i a t e l y d i s k e d t o a d e p t h o f 25 cm. The s t u d y was o r i g i n a l l y d e s i g n e d t o be a two y e a r s tu d y comparing t h r e e r a t e s of a p p l i c a t i o n of m y c e lia f i l t e r cake e i t h e r annually or a p p lie d once. The e i g h t 15.2 by 3 0 . 4 m e t e r plo ts w ere r e p l i c a t e d f o u r t i m e s and t h e e x p e r i m e n t a l d e s i g n was a r a n d o m i z e d b l o c k design. The a p p l i c a t i o n s w er e d e s i g n e d a s f o l l o w s : Treatm ent 1 - no f i l t e r ca ke a p p l i e d 1980 o r 1981 Treatment 2 - no f i l t e r c a k e a p p l i e d 1980 o r 1981 Treatment 3 - 7.5 dry m e tr ic to n s /h a a p p lie d Treatment 4 - 7 . 5 Treatment 5 - 16.0 dry m etric t o n s / h a a p p l i e d 1980 an d 1981 Treatment 6 - 16.0 dry m etric t o n s / h a a p p l i e d 1980 and 1981 Treatm ent 7 — 30.5 dry m etric t o n s / h a a p p l i e d 1980 and 1981 The r a t e s o f m y c e l i a f i l t e r c a k e u s e d w e r e b a s e d on t h e n i t r o g e n dry m e tric to n s /h a a p p lied 1980 an d 1981 1980 an d 1981 c o n te n t of t h e f i l t e r cake a s s u m i n g t h a t 80 p e r c e n t w o u ld be a v a i l a b l e d u r i n g t h e growing s e a s o n . of th is n itro g en Table 1 g iv e s the a c t u a l q u a n t i t i e s of m y c e l i a c a k e a p p l i e d i n t h e f i e l d . S o i l samples w e r e o b t a i n e d p rio r to the a p p l ic a t io n f i l t e r c a k e by c o l l e c t i n g 20 c o r e s f r o m e a c h p l o t to a depth o f m ycelia o f 90 cm. Each c o r e was d i v i d e d by d e p t h i n t o t h e f o l l o w i n g i n c r e m e n t s : 0 - 1 5 , 11 12 15-30, 30-45, season so il 30-45 ta b le 6 0 - 9 0 cm. Each f o u r weeks d u r i n g sam ples were c o l l e c t e d cm ). co llected 45-60, A fter to th e a depth 90 cm. grow ing t o a d e p t h o f 45 cm ( 0 - 1 5 , 1 5 - 3 0 , c o r n was h a r v e s t e d , of th e so il The a n a l y s e s sam p les w ere ag ain p e r f o r m e d a r e shown i n . 2 T ab le 1. R a t e s o f a p p l i c a t i o n o f m y c e l i a f i l t e r c a k e i n 1980.___________ Treatm ent Wet We ig ht A p p l i e d to n s/acre m etric tons/ha C ontrol Dry H e i g h t A p p l i e d tone/acre m etric tons/ha none Low N itro g en Applied lbs/acre kg/ha none none 9.06 20.4 3.35 7.5 114 128 Medium 19.20 43.0 7.13 16.0 242 272 High 33.70 75.0 13.58 30.5 462 518 Corn was p l a n t e d on a l l p lo ts a p p l i c a t i o n of m y c e lia f i l t e r c a k e . corn, the 1980 Im m ediately fo llo w in g th e Since th e m a t e r i a l proved t o x i c o r i g i n a l e x p e r i m e n t was m o d i f i e d i n t h e f o l l o w i n g way: h a r v e s t of th e c o r n a t plan ted in th e end of t o w in te r wheat. th e grow ing s e a s o n a l l to after p lo ts w ere I n 1981 t h e w e s t e r n h a l f o f t h e t o t a l a c r e a g e was l e f t t o w i n t e r w h e a t i n o r d e r t h a t r e s i d u a l effect of th e m ycelia f i l t e r c a k e m i g h t be e s t i m a t e d w h i l e t h e e a s t e r n h a l f was d i s k e d and t h e sa m e r a t e s of m y celia f i l t e r con tro l, cake a p p lie d as in 1980 g iv in g rep licatio n s of f i l t e r cake. I n 1981 c o r n was n o t p l a n t e d u n t i l 34 d a y s f o l l o w i n g four l o w , medium a n d h i g h a p p l i c a t i o n s o f m y c e l i a the a p p l i c a t i o n of th e f i l t e r cake. Six p l o t s w ere ran d o m ly selected i n w h i c h p o r o u s cup l y s l m e t e r s w ere I n s t a l l e d s o t h a t c o n t a m i n a t i o n o f g r o u n d w a t e r , i f a n y , m i g h t be 13 Table 2. Analysis performed on soil samples* Param eter 1s K jeldahl N NH4 NO3 A vail. P E x c h a n g e a b l e Ca Mg K. DTPA E x t r a c t a b l e Zn Cu Mn Fe Ni Cd pH E lectrical C onductivity if il i» n •f ii tr ■■ S a m p l in g p e r i o d Each 4 t h week* t X X X X X X X X X X X X X X Last X X X X X X X X X X X X X X X X X X X * S am p l es w e r e c o l l e c t e d e a c h f o u r t h week d u r i n g t h e g r o w i n g s e a s o n . d etected . The p o r o u s cup l y s l m e t e r s were b u r ie d to a depth of 152 c m ( 6 0 . 8 i n c h e s ) an d s a m p l e d m o n t h l y d u r i n g t h e g r o w i n g s e a s o n . Y ie ld s of c o r n g rain and w heat g rain w ere e s t i m a t e d by h a n d h a r v e s t i n g two rows o f c o r n a n d w h e a t , e a c h 25 f e e t i n l e n g t h , fr o m e a c h p lo t. T h e c o r n w as w e i g h e d a n d c o r r e c t e d f o r m o i s t u r e t o o b t a i n an e s t i m a t e o f t h e f i n a l y i e l d . The w h e a t was t h r a s h e d i n a head th rash er a n d t h e g r a i n was w e i g h e d f o r y i e l d e s t i m a t e . Samples o f t h e c o r n t i s s u e w er e o b t a i n e d d u r i n g t h e g r o w i n g s e a s o n by c o l l e c t i n g t h e e a r l e a f f r o m t e n p l a n t s p e r p l o t a t t h e t i m e t h e c o r n t a s s e l s an d s a m p l e s o f t h e g r a i n w er e c o l l e c t e d a t t h e t i m e o f h a r v e s t . T i s s u e s a m p l e s o f c o r n w e r e a n a l y z e d f o r t o t a l N, P , Ca, Mg, and K. Samples w ere a l s o lincom ycin. sent to U pjohn l a b o r a t o r i e s and a n a l y z e d for Sam pl es o f w he at g r a i n w er e a l s o a n a l y z e d f o r l i n c o m y c i n . 14 L a b o r a t o r y Methods K jeldahl N - S t a n d a r d m e t h o d s w e r e u s e d w h ic h do n o t i n c l u d e n i t r a t e nitrogen. Ammonium - Stea m d i s t i l l a t i o n . N itrate by T e c h n i c o n s t a n d a r d method. Cd-Cu red u ctio n determ in atio n colum n of n i t r a t e . R eduction of n i t r a t e to n i t r i t e and subsequent c o lo rim etric T h e n i t r i t e p r e s e n t i n t h e s am p l e i s subtracted. A v a il a b le P - Bray P I . S o i l was e x t r a c t e d w i t h 0 .0 2 5 N HC1 + 0 . 0 3 N NH4 F w i t h a s o i l t o s o l u t i o n r a t i o o f 1 : 1 0 . E x c h a n g e a b l e i o n s - S o i l was e x t r a c t e d w i t h 1 N NH^OAc a t pH 7 . 0 a n d Ca a n d Mg m e as ur e d by a t o m i c a b s o r p t i o n s p e c t r o p h o t o m e t r y a n d K by flame p h o tom etry. DTPA E x tra c ta b le m etals - S o i l was e x t r a c t e d w i t h DTPA by t h e method of Lindsay and N o rv ell (1 9 7 8 ). A ll m etals a r e determ ined in the e x t r a c t by p l a s m a e m i s s i o n s p e c t r o s c o p y . S o i l R e a c t i o n - The pH of a 1 :1 so il to d i s t i l l e d w a t e r m i x t u r e was m e a s u r e d w i t h a n O r i o n 801 pH m e t e r w i t h a g l a s s e l e c t r o d e . E l e c t r i c a l C o n d u c t i v i t y - The c o n d u c t a n c e of a 1:2 s o i l w a t e r s u s p e n s i o n was m e a s u r e d a n d t h e v a l u e s percent m oisture. to d is ti lle d corrected t o 30 RESULTS AND DISCUSSION I n 1980, l i n c o m y c i n f i l t e r c a k e l e v e l s of a p p l i c a t i o n . y ield at proved The c o r n d a m a g e i s to x ic to reflected t h e two h i g h e r a p p l i c a t i o n r a t e s ( T a b l e 3 ) . y i e l d e d 51 h e c t o l i t e r s p e r h e c t a r e and t h e maximum corn in cake. the all the reduced The c o n t r o l p l o t s y i e l d was a t t h e low a p p l i c a t i o n r a t e w h i c h y i e l d e d o n l y 58 h e c t o l i t e r s p e r h e c t a r e . t r e a t m e n t showed some damage t o at c o rn from a p p l i e d The low m ycelia filte r The h i g h a n d medium t r e a t m e n t p l o t s s u f f e r e d more s e v e r e damage w ith th e high tre a tm e n t y ie ld in g only 20 h e c t o lit e r s per h ectare . E f f e c t of lincom ycin m ycelia f i l t e r a nd y i e l d o f c o r n i n 1980. T a b l e 3. cake on g r o w t h Estim ated Stand % bushels/acre hl/ha C ontrol 80 58 51 Low** 55// 67// 58// Medium** 45 61 53 High** 15 23 20 Treatment Y ield* * Y i e l d i s c o r r e c t e d t o 15.5% m o i s t u r e on a w e t w e i g h t b a s i s . * *Lo w i s 7 . 5 d r y m e t r i c t o n s / h a , Medium i s 1 6 . 0 d r y m e t i c t o n s / h a , and High i s 3 0 . 5 d r y m e t r i c t o n s / h a a p p l i e d i m m e d i a t e l y b e f o r e p l a n t i n g . //Mean o f 6 replicatio n s; o t h e r v a l u e s a r e means o f 15 8 replications. 16 O bservation of the c o r n d a m a g e w e r e made 29 d a y s a f t e r s e e d i n g (Table 3 ) . The r o o t system of the corn p la n ts in d icatin g t h e p r o b a b i l i t y t h a t a p h y t o t o x i c m a t e r i a l had b e e n a b s o r b e d th r o u g h t h e r o o t s and t r a n s l o c a t e d i n t o G ray, showed l i t t l e the p la n t, Rosen, da m a g e (1954) and ( 1 9 5 5 ) f o u n d t h a t s t r e p t o m y c i n a t c o n c e n t r a t i o n s g r e a t e r t h a n 100 u g / m l i n h i b i t e d r o o t a nd s h o o t d e v e l o p m e n t w h ic h was l a t e r ad d itio n s o f Mn. reversed by However, s t r e p t o m y c i n i s a p u r e a n t i b i o t i c and s h o u l d be more l i k e l y t o be a b s o r b e d i n t o t h e p l a n t t h a n i s a n a n t i b i o t i c w a s t e w hic h u s u a l l y o n l y shows t r a c e s o f t h e p u r e a n t i b i o t i c . In l i g h t o f questions a r i s e : to th e t o x i c e f f e c t s on c o r n i n 19 80 , two v e r y i m p o r t a n t ) can th e lin c o m y c in m y c e lia f i l t e r 1 be n o n - t o x i c t o an a g r i c u l t u r a l c r o p , and 2 cake be m a n a g e d ) w i l l th e m ycelia f i l t e r c a k e h av e r e s i d u a l t o x i c e f f e c t s ? Management o f N i n w a s t e m a t e r i a l is of c ritic a l b o t h a g r i c u l t u r a l p r o d u c t i o n an d e n v i r o n m e n t a l q u a l i t y . suggest before th at ap p licatio n p la n tin g ad d itio n to is the a p p licatio n of too l a t e to x ic l i t t l e N available of a m ycelia f i l t e r to i t from th e effects during to the th e first four The 1 9 8 0 d a t a cak e waste im mediately N management corn. im portance in sta n d p o in t, The c o r n h ad r e l a t i v e l y to t h e m y c e lia f i l t e r cake w aste (T ab le eight weeks a f t e r ). Corn r e q u i r e s 8 t h e l a r g e s t amount o f N d u r i n g t h e month o f J u l y , d u r i n g w h i c h t i m e N should be w e l l d i s t r i b u t e d thro u g h o u t the ro o t zone. g r e a t e r movement o f N t o t h e l o w e r d e p t h s o c c u r r e d high rates in the Our d a t a show t h e m e d iu m a n d o f m y c e l i a f i l t e r ca k e d u r i n g t h e mont hs o f J u l y and A u g u s t . The I n c r e a s e d probably in d o w n w a r d m o v e m e n t o f NO3 due to th e sp arse through t h e s o i l p r o f i l e was s t a n d o f c o r n w h ic h removed l e s s NO3 f r o m the s o i l in the h ig h e r treatm ent p l o t s . Weed g r o w t h i n l a t e A u g u s t a n d 17 S e p te m b e r t h e n removed l a r g e q u a n t i t i e s o f NO3 f r o m t h e s o i l . The w i n t e r w h e a t i s alre ad y noted, considered a resid u al study. However, as t h e c r o p was n o t removed fr om t h e f i e l d a t t h e end o f t h e g r o w i n g s e a s o n , b u t was d i s k e d b ac k i n t o t h e s o i l . be l e s s r e s i d u a l N c a r r y - o v e r f r o m a f i e l d th at T h e r e would p r o b a b l y had a good c o r n crop rem o ve d. The y i e l d o f corn and w heat in 1981 are com parable f e r t i l i z e d c r o p s on s i m i l a r t y p e s o i l s ( T a b l e s 4 a nd 5 ) . Table 4. Treatment Y i e l d o f w h e a t fr o m r e s i d u a l m y c e l i a f i l t e r c a k e . Y i e l d o f Wheat hl/ha B u /A cr e Wei gh t A p p l i e d m etric tons/ha C ontrol none 18.2 15.8 Low 7.5 30.4 26.5 16.0 35.8 31.2 Medium 41.2 High 47.4 30.5 *Dry weigh o f L i n c o m y c i n m y c e l i a f i l t e r c a k e a p p l i e d i n 1980 y i e l d s a r e f o r t h e 1981 s e a s o n . T a b l e 5. Y i e l d o f c o r n a s a f f e c t e d by r a t e o f m y c e l i a f i l t e r _ ca k e a p p l i e d i n 1981__________________________________________ Treatment Y i e l d of Corn bu/acreA hl/ha Control 56 49 Low 77 67 Medium 96 84 90 High 103 * C o r r e c t e d t o 15.5% m o i s t u r e on a w et w e i g h t b a s i s . to w ell 18 The c o r n f o r 1981 s h o w e d cake. no damage fro m t h e T h e r e a r e two p r o b a b l e r e a s o n s f o r w a s s e e d e d 34 d a y s a f t e r s o i l ; and 2 th is: th e m ycelia f i l t e r lin co m y cin f i l t e r 1) i n 1981, the corn c a k e was a p p l i e d t o t h e ) a c h a n g e i n p r o c e s s i n g removed more o f t h e l i n c o m y c i n f r o m t h e f i l t e r ca ke u s e d i n 1981 compared t o t h e 1980 p r o c e s s i n g . The c o r n i n b o t h 1980 an d 1981 showed some N d e f i c i e n c y ( T a b l e I n 1980, t h e s e symptoms were r e a d i l y o b s e r v a b l e i n a l l p lo ts; 6 ). w hereas, i n 1981 t h e y w ere s e e n i n t h e c o n t r o l and low t r e a t m e n t p l o t s o n l y . Table 6 . T o t a l n i t r o g e n i n e a r l e a f o f c o r n a s a f f e c t e d by a p p l i c a t i o n of m ycelia f i l t e r cake. D a te Treatment Low Medium ppm* C ontrol High 1980 20,800 25,900 30,000 30,300 1981 20,600 2 2 ,0 0 0 27,100 28,000 *Ea ch v a l u e i s a n a v e r a g e o f 8 replicatio n s. The d a t a fr om t h e w h ea t y i e l d ( T a b l e 4 ) i n d i c a t e s t h a t t h e r e i s no r e s i d u a l t o x i c e f f e c t from t h e lin c o m y c in m y c e lia f i l t e r cake a p p l i e d i n 1980. The s a m p l e s o f w h e a t g r a i n , c o r n g r a i n and c o r n l e a f t i s s u e , all f r o m t h e 1981 c r o p s , w ere a t o r bel ow d e t e c t a b l e l i m i t s f o r l i n c o m y c i n . T a b l e 7 shows t h e t o t a l P, Ca, Mg, and K c o n t e n t s o f t h e c o r n l e a f t i s s u e f o r 1980 a n d 1981 . Phosphorus i n th e l e a f tissu e f i l t e r cake a p p l i c a t i o n I n c r e a s e d , in creased w ith as the rate of m ycelia th e h ig h e s t P c o n te n t in the medium r a t e o f f i l t e r c a k e f o r b o t h 1980 and 1981. C a l c iu m i n t h e leaf t i s s u e i n c r e a s e d g r e a t l y w i t h th e i n c r e a s e of 19 filter cake. in c re ase M agnesium showed s l i g h t th is is the g reatest It The o n l y e x p l a n a t i o n th a t th e m ycelia f i l t e r c o n t e n t which a d d s rate s. w ith a t t h e medium r a t e i n 1980, and t h e g r e a t e s t i n c r e a s e f o r 1981 i s s e e n a t t h e low r a t e s o f f i l t e r c a k e . for in c re a se , cake has ex trem ely high g r e a t l y t o t h e Ca i n t h e may a l s o be t h a t offered gypsum so ila t higher a p p lic a tio n t h e Mg d i d n o t i n c r e a s e much b e c a u s e o f c o m p e t i t i o n w i t h Ca on t h e e x c h a n g e s i t e o f t h e s o i l p a r t i c l e s . Table 7. N u t r i e n t c o n t e n t o f c o r n e a r l e a f a s a f f e c t e d by _____________ m y c e l i a f i l t e r ca k e a p p l i c a t i o n . __________________________ Y ea r Treatm ent Total P T o t a l Ca T o t a l Mg Total K ■ppm1980 Control 3,858 4,626 2,157 2 1 ,2 0 0 1980 Low 4,066 5,213 2,063 19,000 1980 Medium 4,418 5,970 2,383 19,600 1980 High 4,258 6,218 2,262 18,800 1981 C ontrol 4,069 4,318 2,008 20,180 1981 Low 4,129 5,353 2,318 18,920 1981 Medium 4,617 5,862 2,188 18,600 1981 High 4,452 6,087 2,186 18,600 The K c o n c e n t r a t i o n s decrease for b oth in t h e l e a f t i s s u e showed a g e n e r a l o v e r a l l 1980 and 1 981, c o n t r o l p l o t s f o r both y e a rs. w ith th e h ig h e s t K le v e ls in the A l i k e l y r e a s o n f o r t h i s i s , a s w i t h Mg, t h a t t h e K i o n may be i n c o m p e t i t i o n w i t h the Ca i o n for the exchange s i t e s l e a d i n g t o some l o s s o f K. R elatively l i t t l e increase i n NO3 w a s s e e n i n t h e s o i l one month a f t e r a p p l i c a t i o n o f m y c e l i a f i l t e r c a k e i n e i t h e r 1980 o r 1981 (T ables Table 8. Nitrate content of soil as affected by the application of l i n c o m y c i n m y c e l i a f i l t e r ca ke i n 1980* Treatment Depth Date 5/80 6 /8 0 cm 7 /8 0 — ppm w o s 8/80 9 /8 0 10 /8 0 Control 0-15 4.58 4 .9 7 n .i 2 .6 8 1 .7 6 1.62 Low** 0-15 3.05 5.74 11.9 4 .5 1 3.73 2.83 Medium** 0- 15 3 .5 3 7.42 19.7 4.60 4 .6 1 3.95 High** 0-15 2.89 6 .9 7 25.3 6 .8 8 3 .0 7 Control 15-30 3.07 4.63 6.0 7 1.7 4 1.53 1.95 Low 15-30 2.42 5.10 7.66 4.58 2 .2 4 3.38 Medium 15-30 2.45 6 .2 4 9 .3 4 5.00 5 .2 0 3.48 High 15-30 2.34 6 .0 0 5.33 8.03 Control 30 -45 2.34 3.13 4 .6 7 1 .3 4 1. 42 1.44 Low 30-45 1 .7 2 3.00 5 .0 7 3.36 2.06 2.51 Medium 30 -4 5 1.81 3 .7 7 6 .2 6 4.32 4.60 3.07 High 30-45 1 .7 4 3.98 7 .2 1 6.59 7.09 13. 9 11.2 1 4 .4 14.0 *Each v a l u e r e p o r t e d i s a mean o f e i g h t r e p l i c a t i o n s . **Low is 7.5 dry metric tons/ha, Medium is 16.0 dry metric tons/ha, and High is 30.5 dry metric tons/ha. Table 9. Ammonium content of soil as affected by the application of l i n c o m y c i n m y c e l i a f i l t e r cake i n 1980. Treatment D epth Date 5/80 6/80 7/80 cm 8 /8 0 MU# ★ ~ 9 /8 0 10/80 Control 0-15 0.58 0 .6 3 0.99 0 .8 7 0 .1 7 0.65 Low** 0- 15 0.39 0.70 0.81 1.11 0.15 0.30 Medium** 0-15 0.39 0.98 0.71 0 .9 6 0.14 0.30 High** 0-15 0.50 1.13 0.73 0.96 0.14 0.58 Control 15-30 0.36 0 .5 7 0.98 0.82 0 .1 9 0.36 Low 15-30 0.09 0.49 0.64 0.83 0.18 0.34 Medium 15-30 0.23 0.58 0.79 0.70 0.18 0.27 High 15-30 0.34 0 .8 6 0 .6 7 0.78 0.17 0.35 Control 30-45 0.28 0 .4 6 0.78 0 .6 7 0.29 0.25 Low 30-45 0.33 0.45 0.08 0.63 0 .2 2 0.23 Medium 30-45 0.49 0 .4 2 0.83 0 .6 5 0 .2 5 0.26 High 30-45 0.31 0.52 0.55 0.65 0.49 1.76 Each v a l u e r e p o r t e d i s a mean o f e i g h t r e p l i c a t i o n s . **Low is 7.5 dry metric tons/ha, Medium is 16.0 dry metric tons/ha, and High is 30.5 dry metric tons/ha. Table 10. Nitrate content of soil as affected by the application of l i n c o m y c i n m y c e l i a f i l t e r cake 1981. Treatment Depth Date 5/81 3 /8 1 6/81 7/81 —ppm N a s no3*--------- 8/81 11/81 cm — ------ — Control 0-15 0 .9 9 2 .4 7 6 .5 8 4 .8 1 2 .1 5 1 .1 8 Low** 0-15 1.18 4.29 10 .5 0 5.38 3.00 1.45 Medium** 0-15 1. 54 7. 63 15. 90 4.29 1.89 2.54 High** 0-15 2.06 6.99 10 . 7 0 5.30 2 .5 1 6.51 C ontrol 15-30 1.03 1.90 5.68 4.67 1.10 1 .3 6 Low 15-30 1.21 2.55 8 .2 0 4 .1 7 2 .9 8 1.71 Medium 15-30 1.25 3 .1 3 12 . 3 0 2.72 1 .00 2.50 High 15-30 1.46 4.88 9.17 3.72 2.17 5.82 C ontrol 30-45 1.00 1.66 4.85 3. 57 1.02 1.39 Low 30-45 1.25 1.66 5.09 3.46 1 .1 9 1.62 Medium 30- 45 1.25 2 .3 7 6.70 2 .2 9 1 .9 8 2 .2 5 High 30 -4 5 2.39 3.08 6 .5 1 3.18 4.09 5 .1 9 — —— —— — — — *Each v a l u e r e p o r t e d i s a mean o f f o u r r e p l i c a t i o n s . **Low is 7.5 dry metric tons/ha, Medium is 16.0 dry metric tons/hat and High is 30.5 dry metric tons/ha in 1980 and again in 1981. Table 11. Ammonium content of soil as affected by the application of l i n c o m y c i n m y c e l i a f i l t e r cake i n 1981. Treatment Da te Depth 3/81 5/81 6/81 cm 7/81 — 8/81 11/81 w Control 0-15 1.07 0.76 0 .8 1 0.79 0 .6 7 0.38 Low** 0- 15 0.92 0.39 0.59 0.90 1 .1 9 0.37 Medium** 0-15 0 .9 1 0.49 0.74 1.10 1.21 0.39 High** 0- 15 0.97 0.36 0.61 0 .8 8 0.99 0.34 Control 15-30 0.80 0.46 0 .6 8 0.74 0.74 0.19 Low 15-30 1 .0 6 0.34 0.46 0.85 0.96 0.26 Medium 15-30 0.82 0.35 0.35 0.73 0.62 0.25 High 15-30 0.83 0.25 0.42 0.80 0.78 0.36 Control 30-45 0 .7 7 0.17 0.18 1.31 1.20 0.16 Low 30-45 0.82 0.23 0.35 0.63 0.72 0.23 Medium 30- 45 0.62 0.34 0.32 0.52 0 .4 9 0.25 High 30-45 0.73 0.16 0.28 0 .4 7 0.62 0.62 *Each v a l u e r e p o r t e d i s a mean of f o u r r e p l i c a t i o n s . **Low is 7.5 dry metric tons/ha, Medium is 16.0 dry metric tons/ha, and High is 30.5 dry metric tons/ha applied in 1980 and again in 1981. 2b 8 and 9 ) . of NO 3 However, i n b o t h y e a r s , by t h e end o f t h e s e c o n d month l e v e l s in the so il w ere co n sid erab ly a p p lic a tio n s of f i l t e r cake. so il p ersisted lev els o f NO3 thro u g h h ig h er the the Septem ber sam pling. were seen th ro u g h d elay of th e resu lt of I n 1980, t h e h i g h e r l e v e l s i n t h e s u r f a c e I n 1981, t h e s e h i g h e r t h e November s a m p lin g . T a b l e 10 i n d i c a t e t h a t t h e e a r l i e r a p p l i c a t i o n and as 34 d a y s b e f o r e plan tin g The d a t a i n of m y celia f i l t e r in 198 1 r e s u l t e d cake in the g r e a t e s t amount o f a v a i l a b l e N i n J u n e r a t h e r t h a n I n J u l y when t h e c o r n p l a n t most needs it. T h e r e w as a l s o c o n s i d e r a b l y l e s s a v a i l a b l e N i n t h e s o i l i n t h e e a r l y g r o w i n g s e a s o n I n 1981 a s compared t o 1980 . There I s some in d icatio n th at th e lin c o m y c in w aste slow s the c o n v e r s i o n f r o m NH4 t o NO3 d u r i n g t h e e a r l y s t a g e s o f b r e a k d o w n . The p r i n c i p a l f o r m s but slow ly m ycelia av ailab le, filte r cake o f N in m ycelia w astes a re o rg a n ic , in s o lu b le and r e a d i l y is disked av ailab le in to the NO3 so il, a n d NH4 . NO3 i s I m m o b i l i z e d v e r y r a p i d l y f o r a b o u t two w e e k s , d e p e n d i n g on t h e t e m p e r a t u r e , tim e t h e NO3 w ould be e x p e c t e d increasing n itr if y in g a c t i v i t y th is n itrify in g to in accum ulate the so il. When t h e after w hich r e a d i l y as a r e s u l t of Our d a t a , how ever, show a c t i v i t y o c c u r r i n g a t a much s l o w e r r a t e ( T a b l e s 9 and 1 1 ). There ap p ea rs t o be c o n s i d e r a b l e increase i n t h e NH4 c o n t e n t i n t h e s u r f a c e s o i l o n e mont h a f t e r a p p l i c a t i o n o f m y c e l i a f i l t e r 1980 ( T a b l e 9 ) . The I n c r e a s e i n NH4 was much s l o w e r I n 1981 ( T a b l e 11) sh o w in g a m arked d e c r e a s e sam pling. cake in i n NH4 f r o m t h e M a r c h s a m p l i n g t o t h e May As t h e w e a t h e r b e c a m e w a r m e r t h e r e was a n i n c r e a s e i n NH4 c o n t e n t i n t h e s o i l and a more r a p i d c o n v e r s i o n fr om NH4 t o NO3 o c c u r r e d ( T a b l e s 9 an d 1 1 ) . 25 A major o b j e c t i v e o f th is s t u d y was t o and s o l u b l e - s a l t s t h r o u g h t h e s o i l th is era. movem ent, p ro file. follow t h e movement o f N To h e l p obtain data s u c t i o n cup l y s i m e t e r s were i n s t a l l e d a t a d e p t h o f 152 Th es e s u c t i o n cup l y s i m e t e r s p r o d u c e d s a m p l e s o n l y because th e so ils in term itten tly a t t h i s d e p t h w ere u s u a l l y bel ow f i e l d c a p a c i t y a n d , t h u s , r a r e l y was t h e r e s u f f i c i e n t l i q u i d im possible for to o b ta in any s a m p l e s av ailab le to from l y s i m e t e r s summer when we e x p e r i e n c e d d r o u g h t p e r i o d s . sam ple. It w as d u r i n g much o f t h e A l t h o u g h t h e d a t a t h a t were c o l l e c t e d a r e n e i t h e r c o m p l e t e n o r c o n c l u s i v e and some d a t e s and s a m p l e s are m issing, th e se d ata a re included to i l l u s t r a t e so me o f the tren d s w h ic h o c c u r r e d w i t h t h e a p p l i c a t i o n o f t h e m y c e l i a f i l t e r c a k e . Sampl es t h a t w e r e co llected s o l u b l e - s a l t c o n t e n t of th e s o i l p lo ts except for the first l y s i m e t e r s ( T a b l e s 12 and 1 3 ) . co n tam in atio n from th e c o r r e la te d w ell w ith sam ples o b ta in e d t h e NO3 and from c o r r e s p o n d in g sam p le o b t a i n e d a f t e r i n s t a l l a t i o n of the This sampling i s assum ed t o in stallatio n of the ly sim eters. h a v e sh o w n H i g h e r NO3 l e v e l s a r e f o u n d i n t h e B o i l - w a t e r a t 152 cm on t h e p l o t s w h ic h r e c e i v e d th e h igh rate of m y c e lia f i l t e r cake. It is also evident s o l u b l e - s a l t s a r e b e i n g t r a n s l o c a t e d downward t h r o u g h t h e (T ab le 12 and so lu b le-salts 13). A lth o u g h co n cen tratio n n eith er the NO 3 so il le v els a p p e a r to be h ig h enough to t h a t the p ro file nor th e cause crop d a m a g e o r t o a d d much c o n t a m i n a t i o n t o t h e g r o u n d w a t e r , a d d i t i o n a l t i m e and a more c o m p l e t e s a m p l i n g p r o g ra m a r e assum ptions. The ti m e n e e d e d t o make m o r e p o s i t i v e r e q u i r e d wo uld d e p e n d on t h e a p p l i c a t i o n r a t e s and t h e t y p e o f s o i l ; s a n d i e r s o i l s b e i n g l e a c h e d a t a more r a p i d rate. 26 The a p p l i c a t i o n o f m y c e l i a f i l t e r c a k e i n c r e a s e d t h e s o l u b l e - s a l t s concentration in th e th ese lev els so il in 1980 a n d 1 9 8 1 , but in n e ith e r year did b ec o m e s u f f i c i e n t l y h i g h t o c a u s e p o s s i b l e damage t o c o r n o r w h e a t ( T a b l e s 14 and 1 5 ) . DeRoo, ( 1 9 7 5 ) p o i n t s out that one o f the lim itin g f a c t o r s i n t h e use of m y c e lia w astes as a N f e r t i l i z e r a p p ea rs t o be i t s to ta l s o lu b le -sa lts concentration. m ycelia f i l t e r cake a re c a u s e d by t h e The s o l u b l e - s a l t s o f N by t h e ro o ts, m e ta b o lic pathways w i t h i n but i t the m y c e l i a w a s t e may b e l a r g e l y p lan ts. thus, Bo th w h e a t a n d also p la n t. appears coping w ith the t o d i s r u p t th e normal As a r e s u l t , co n tro lled and p o s s i b l e crop response to by t h e s a l t t o l e r a n c e o f t h e c o r n a p p e a r t o be r e l a t i v e l y h a v i n g no d i f f i c u l t y the calcium s u l f a t e in th e w astes. The s a l t s n o t o n l y s u p p r e s s n i t r i f i c a t i o n i n t h e s o i l uptake in the lev els salt of to leran t, so lu b le-salts encountered in th i s experim ent. I t a p p e a r s t h a t t h e a p p l i c a t i o n o f m y c e l i a f i l t e r c a k e had l i t t l e e f f e c t on t h e c o n c e n t r a t i o n s (T ab les A -l to A -14). o f DTPA e x t r a c t a b l e Iron, m etals in w heat. treatm en t f o u n d a t any t i m e o f t h e y e a r t o be n e a r t o x i c l e v e l s . Cu a n d Cd w ere f o u n d I n so il Mg, Pb a n d Zn w e r e f o u n d I n h i g h e s t c o n c e n t r a t i o n s , a s would be e x p e c t e d , b u t w e r e n o t r e l a t e d t o and n o t the s m a l l am oun ts c a u s i n g n o p r o b l e m s to N ickel, corn or 27 T a b l e 1 2 . N i t r a t e and B o l u b l e s a l t c o n t e n t o f s o i l w a t e r e x t r a c t e d _____________ by s u c t i o n l y s i m e t e r s I n 1 9 8 0 . * ______________________________ Treatm ent 7/80 C ontrol High Da te 8/80 ppm N a s NO3 ** 9/80 79 7.8 8.4 137 13 .1 14.5 £ . C . mmhos/cm C ontrol 0 .6 8 0 .6 6 0.28 High 0.74 0 .8 8 0.62 *The p o r o u s cu p s w ere a t t h e f i v e f o o t d e p t h . it C o n t r o l p l o t s a r e a n a v e r a g e of two r e p l i c a t i o n s a n d t h e High T r e a t m e n t i s a n a v e r a g e o f t h r e e r e p l i c a t i o n s . T a b l e 13. N i t r a t e a nd s o l u b l e s a l t c o n t e n t o f s o i l w a t e r e x t r a c t e d by s u c t i o n l y s i m e t e r s i n 1 9 8 1 . * Treatm ent 6 /8 1 Control High 13.4 — D at e 7 /8 1 ppm N a s NO3 ** 8 /8 1 12.1 6.4 9.7 1 2.1 E.C mmhos/cm C ontrol 0.48 0.62 0.41 High 0 .5 1 0.58 0.76 The p o r o u s c u p s w e r e a t t h e f i v e f o o t d e p t h . JL JL C o n t r o l p l o t s a r e a n a v e r a g e o f two r e p l i c a t i o n s and t h e High T r e a t m e n t i s a n a v e r a g e o f t h r e e r e p l i c a t i o n s . 28 The a v a i l a b l e P i n d ecre ase w ith the i n c r e a s e d a p p l i c a t i o n r a t e o f m y c e l i a f i l t e r c a k e i n 1980 a n d 1 9 8 1 . In h ig h est the so il av ailab le showed a s l i g h t most c a s e s , th e P was i n th e c o n t r o l p l o t s of t h i s experim ent. I t i s p o s s i b le th a t high a p p l i c a t i o n s t h e f i l t e r ca ke h a v e r e d u c e d t h e e x t r a c t a b l e P . o f Ca c o n t a i n e d in 29 Table 1 4 . Treatm ent S p e c i f i c conductance o f B o il as a f f e c t e d by the a p p l i c a t i o n o f lin c o m y c in m y c e lia f i l t e r cake in 1980. D ep th 5/80 6/80 cm D a te 7/80 / -mmnos/em n n m _ — 8/80 9/80 C ontrol 0-15 0.60 0.74 0 .8 6 1.13 0.65 Low** 0-15 0.52 0.83 0.91 1.01 0.63 Medium** 0- 1 5 0 .5 1 0.97 1.29 1.19 0.75 High** 0-15 0.52 1 .2 0 1.46 1 .1 7 0.67 C ontrol 15-30 0.50 0.63 0.62 0.75 0.55 Low 15 - 30 0.46 0.70 0.72 0.83 0.57 Medium 1 5- 3 0 0.43 0.79 0 .8 8 0.94 0.64 High 1 5- 30 0.48 1 .0 0 0.98 0.79 0.73 C ontrol 30 - 45 0.40 0.52 0.63 0.56 0.49 Low 3 0- 45 0.40 0.53 0.59 0.67 0.50 Medium 30 - 4 5 0.38 0.58 0.63 0.70 0.55 Hig h 30 - 45 0.42 0.63 0 .6 6 0.76 0.62 * E ac h v a l u e r e p o r t e d i s a mean o f e i g h t r e p l i c a t i o n s . **Low is 7.5 dry metric tons/ha, Medium is 16.0 dry metric tons/ha, and High is 30.5 dry metric tons/ha. 30 T a b l e 15. Treatm ent S p e c i f i c c o n d u c t a n c e o f s o i l a s a f f e c t e d by t h e a p p l i c a t i o n o f l i n c o m y c i n m y c e l i a f i l t e r c a k e i n 1981 . D ep th 3/81 5 /8 1 D at e 6 /8 1 7 /8 1 8/81 11/81 cm Control 0 -1 5 0.59 0.92 0.82 0.73 0 .6 6 0.62 Low** 0-15 0.47 0.89 1.05 0.96 0.90 0.76 Medium** 0- 1 5 0.52 0.78 1 .0 5 1.44 1 .1 0 1 .0 0 High** 0-15 0.56 1.03 1 .6 4 1.34 0.80 0.62 C ontrol 1 5- 3 0 0.54 0.85 0.70 0 .6 8 0.72 0.97 Low 15-30 0.47 0.85 0.94 0.83 0 .6 6 0.67 Medium 1 5- 30 0.45 0.69 0.94 1.07 0.99 0.95 High 15-30 0.49 0.91 1.30 1.09 0.82 0.71 C ontrol 30-45 0.49 0 .6 8 0.53 0.60 0.72 0.90 Low 30-45 0.46 0.58 0.75 0.67 0.62 0.63 Medium 30-45 0.44 0 .6 8 0.84 0.84 0 .8 6 0.96 High 30-45 0.48 0.83 0.91 0.70 0.71 0.67 *Eac h v a l u e r e p o r t e d i s a mean o f f o u r r e p l i c a t i o n s . **Low is 7.5 dry metric tons/ha, Medium is 16.0 dry metric tons/ha, and High is 30.5 dry metric tons/ha. SUMMARY AND CONCLUSIONS M ycelia f i l t e r cake f r o m t h e l i n c o m y c i n p r o d u c t i o n p r o c e s s was a p p l i e d t o a Kalamazoo s a n d y loa m s o i l i n 1980 and 1981 a t 7.5 , 16.0 and 3 0 .5 d ry m e t r i c rate s of 0, t o n s / h a and i m m e d i a t e l y d i s k e d i n t o t h e so il. I n 1980 c o r n was p l a n t e d i m m e d i a t e l y a f t e r a p p l i c a t i o n o f f i l t e r cake and th e m a t e r i a l proved t o x i c to corn a t a l l r a t e s of a p p l i c a t i o n . Thus, w i n t e r w h e a t was p l a n t e d on o n e h a l f re sid u al study to determ ine if the filte r of the study a re a cake had r e s i d u a l as a to x ic effects. I n 1981, filte r c a k e was a g a i n a p p l i e d t o t h e o t h e r h a l f of th e s t u d y a r e a a t t h e same r a t e s a s i n 1 9 8 0 , but the c o r n was n o t p lan ted u n t i l 34 d a y s a f t e r t h e a p p l i c a t i o n o f f i l t e r c a k e . Soil sam ples were ta k e n p r i o r c a k e t o a d e p t h o f 90 cm. to a p p l i c a t i o n of m ycelia f i l t e r Each f o u r weeks d u r i n g the grow ing sea so n s o i l s a m p l e s were t a k e n t o a d e p t h o f 45 cm and a f t e r c o r n was h a r v e s t e d s o i l s a m p l e s w ere a g a i n c o l l e c t e d su ctio n cup ly sim eters w ere to a depth of In stalled in 90 cm. In a d d i tio n , control p lo ts and h ig h t r e a t m e n t p l o t 6 t o a d e p t h o f 152 cm t o s t u d y mo ve me nt o f n i t r a t e s and s a l t s out of th e r o o t i n g zone. I n 1980, l i n c o m y c i n of a p p lic a tio n . th e f i l t e r cake proved t o x i c to co rn a t a l l r a t e s T h i s damage was r e f l e c t e d i n r e d u c e d y i e l d s o f tw o h i g h e r a p p l i c a t i o n r a t e s . corn a t I n 198 1, a ch an g e I n t h e l i n c o m y c i n 31 32 production process and th e filte r A lso, p erio d o f 34 d a y s betw een a p p l i c a t i o n of c a k e a n d p l a n t i n g o f c o r n r e s u l t e d i n no t o x i c e f f e c t s t o c o r n . w i n t e r w h e a t s h o w e d no r e s i d u a l to x ic e ffe c ts from t h e 1980 a p p l i c a t i o n of m ycelia f i l t e r cake. From t h e y i e l d ap p licatio n of and so il 16.0 dry m e tr ic en v iro n m en tally safe and NO3 d ata it is concluded to n s/h a of m ycelia g iv es satisfac to ry filte r y ield s. It th at an cake is is also c o n c l u d e d t h a t a p e r i o d o f a t l e a s t 30 d ay s b e t w e e n a p p l i c a t i o n t i m e and p l a n t i n g o f c o r n i s n e c e s s a r y t o p r e v e n t t o x i c i t y fr om l i n c o m y c i n f i l t e r cake. LIST OF REFERENCES A d d i s , D . G . , G . P . L o f g r e e n , J . G. C l a r k , J . R . Dunbur, C. Adams, and F .D . C ress. 1976. P rev en tiv e m edication fo r fe e d lo t replacem ent c a l v e s . C a l i f . A g r i. 30: 18-20. A n o n . , 197 3. P f i z e r f e e d s m y c e lu im -g r o w n b a k e d p o t a t o e s t o e m p l o y e e s . Nourwich B u l l e t i n ( C o n n e c t i c u t n e w s p a p e r ) O c t o b e r 1 8 t h . B a ja j, B.S. and R.D. D u r b in . 1961. The t r a n s l o c a t i o n o f r o o t - a p p l i e d streptom ycin in beans. P la n t D is. R e p tr . 45: 260-262. B a r k e r , W.G., R . H . O t t o , D . S c h w a r z , a n d G . F . S h l p t o n . 1958. 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A n n u a l R e p o r t t o P f i z e r , I n c . from Univ. of Rhode I s l a n d . W r i g h t , W. R. 1978. L a b o r a t o r y and f i e l d m i n e r a l i z a t i o n of n i t r o g e n fr o m f e r m e n t a t i o n r e s i d u e s . J . E n v i r o n . Q u a l . , 7: 3 4 3 - 3 4 6 . APPENDIX 39 T able A - l . D ate DTPA e x t r a c t a b le z in c from s o i l s r e c e iv in g f i l t e r cake. Depth C ontrol __________ Treatment________________________ Medium Low High cm 5/80 1 0 /8 0 0 -15 1.54 1. 66 0.70 1.80 15 - 3 0 0.64 0.57 0.90 0.85 30 - 4 5 0.61 0.45 0.27 0.65 45 - 6 0 1.33 0.32 0.33 0.29 60 - 9 0 0.33 0.85 0.20 0.26 0 -15 1.39 2.17 1.74 1.54 15 - 3 0 0.90 0.82 0.98 0.96 30 - 4 5 0.39 0.34 0.63 0.41 45 - 6 0 0.31 0.33 0.48 0.37 60 - 9 0 0.15 0.37 0.15 0.35 40 Table A-2. DTPA extractable zinc from soils receiving filter cake. Date Depth ______________________T r e a t m e n t _________________________ ________________________ C o n t r o l Low _______ Medium_________ High cm ---------------------------mg/kg s o i l ------------------------------3/81 11 /8 1 0 -15 1.62 1.48 0.50 1.00 15 - 3 0 0.81 0.62 0.20 0.81 30 - 4 5 0.54 0.32 0.18 0.61 45 - 6 0 1.28 0.28 0.30 0.61 60 - 9 0 0.30 0.65 0.31 0.72 0 -15 1.30 2.89 0.20 0.44 15 - 3 0 0.82 0.47 0.09 0.66 30 - 4 5 0.30 0.30 0.34 0.29 45 - 6 0 0.20 0.29 0.32 0.23 60 -90 0.08 0.18 0.20 0.48 41 Table A-3. Date DTPA extractable Iron from soils receiving filter cake. D epth cm 5/80 10 /8 0 Treatment High C ontrol Low Medium ------------- --------------mg/kg s o i l ------------------- ----------- 0 -15 30.6 50.8 1 7 .5 27.6 15 - 3 0 25.0 27.8 3 2. 1 32.8 30 - 4 5 31.4 46.4 24.7 29.0 45 - 6 0 33.1 45.6 33.7 33.2 60 - 9 0 21.7 26.5 28.3 24.6 0 -15 38.1 36.2 46.8 36.4 15 - 3 0 42.6 30.4 37.6 19.0 30 - 4 5 25.5 24.4 28.0 29.8 45 - 6 0 26.2 24.5 27.8 25.3 60 - 9 0 2 1 .8 27.6 24.0 24.8 42 Table A— 4. DTPA extractable Iron from soils receiving filter cake. Date Depth ___________________ Treatment________________________ _______________________ C ontrol________Low_________Medium_________ High cm ------------------------- mg/kg s o i l -----------------------3/81 11 /8 1 0 -15 29.6 47.8 17.6 31.2 15 - 3 0 24.0 30.6 20.1 29.6 30 - 4 5 30.0 29.9 18.2 28.4 45 - 6 0 26.1 40.8 19.2 36.2 60 - 9 0 1.1 29.8 21.2 40.9 0 -15 35.2 16.9 30.0 20.1 15 - 3 0 44.6 37.8 22.0 18.2 30 - 4 5 20.6 29.9 27.9 16.2 45 - 6 0 22.6 22.3 22.8 21.2 60 -90 21.8 18.9 19.7 27.9 43 Table A-5. D ate DTPA extractable cadmium from soils receiving filter cake. Depth cm 5/80 10/80 ________________________ Treatment________________________ C o n t r o l _________ Low Medium_________ High_____ --------------------------- mg/kg s o i l - 0 -15 0.38 0.10 0.10 0.10 15 - 3 0 0.07 0.05 0.10 0.07 30 - 4 5 0.05 0.03 0.03 0.03 45 - 6 0 0.03 0.08 0.03 0.02 60 - 9 0 0.03 0.02 0.03 0.02 0 -15 0.11 0.12 0.13 0.20 15 - 3 0 0.08 0.09 0.07 0.23 30 - 4 5 0.06 0.06 0.06 0.06 45 - 6 0 0.43 0.16 0.45 0.53 60 -90 0.03 0.03 0.03 0.07 44 Table A-6. DTPA extractable cadmium from soils receiving filter cake. D ate Depth •____________________ Treatment________________________ _______________________ C ontrol_________ Low _________ Medium_________High cm-------------------------------------------mg/kg s o i l ---------------------------------3/81 11 /8 1 0 -15 0.03 0.03 0.10 0.10 15 - 3 0 0.02 0.01 0.01 0.04 30 - 4 5 0.01 0.01 0.09 0.03 45 - 6 0 0.01 0.01 0.03 0.01 60 - 9 0 0.01 0.01 0.03 0.01 0 -15 0.04 0.03 0.04 0.04 15 - 3 0 0.02 0.02 0.06 1.12 30 - 4 5 0.02 0.08 0.01 0.08 45 - 6 0 0.01 0.17 0.01 0.06 60 -90 0.01 0.03 0.01 0.03 45 Table A-7. DTPA extractable manganese from soils receiving f i l t e r cake. D at e D ep th C ontrol cm 5/80 10/80 — — — —— —— Treatment Low Medium — ------ mg/kg s o i l ------------------ — High 0 -15 16.7 19.9 24.2 19.7 15 - 3 0 21.3 14.0 2 1 .2 19.0 30 -4 5 9.9 1 1 .6 1 1.8 1 1 .0 45 - 6 0 10.9 18.0 13.1 13.1 60 - 9 0 12.9 12.5 8 .6 12.4 0 - 15 16.6 20.5 2 1 .2 18.3 15 - 3 0 1 1 .7 18 .1 17.3 1 4 .5 30 - 4 5 1 0 .1 5.58 8.48 9.09 45 - 6 0 7.42 7.43 8.97 7.43 60 - 9 0 4.20 7.53 4.56 5.00 46 Table A-8. DTPA extractable manganese from soils receiving f i l t e r cake. Da te D ep th Treatment Medium Low High ------------------------------------- -------- mg/kg s o i l -------------------- — — — — — — C ontrol cm 3 /8 1 0 -15 12 .9 2 1 .2 10.1 17.4 15 - 3 0 18.7 1 6 .7 12.1 18.6 18.9 17.4 16.8 12.9 30 - 4 5 11/ 8 1 9.00 8.97 45 - 6 0 1 2 .8 1 5 .7 60 - 9 0 13.9 12.5 0 -15 1 8. 8 27.2 2 0 .1 15 - 3 0 10.7 1 6 .8 1 7 .6 30 - 4 5 1 1.1 7.99 4.89 18.6 45 - 6 0 7.98 8.82 12.5 60 - 9 0 3.87 7.20 17.4 8.69 7.43 10.1 9 .8 1 10.1 5.00 47 Table A-9. DTPA extractable copper from soils receiving f i l t e r cake. Date D ep th cm 5/80 10/80 Treatment C ontrol Low Medium High — — ——— -------- mg/kg s o i l ------------------- -----------0.45 0.18 0.47 15 - 3 0 0.31 0.27 0.39 0.35 30 - 4 5 0.36 0.41 0.28 0.39 45 - 6 0 0.34 0.36 0.33 0 .2 2 60 - 9 0 0.45 0.29 0.26 0.29 0 -15 0.42 0.55 0.46 0.47 15 - 3 0 0.28 2.61 0.39 0.38 30 - 4 5 0.37 0.26 0.34 0.36 0.29 0.27 0.34 0.29 0.23 0.23 0.23 0.27 1 1.05 0 0 -15 60 - 9 0 48 Table A-10. DTPA extractable copper from soils receiving F i l t e r C ake . D a te D ep th Treatment Medium Low — — —— -------— — mg/kg s o i l ---------------- C ontrol cm 3 /8 1 11/81 —— High 0 -15 0.89 0.29 0 .1 1 0.38 15 - 3 0 0 .2 0 0.27 0.18 0.45 30 - 4 5 0.30 0.16 0 .2 0 0.46 45 - 6 0 0.34 0.19 0.30 0.31 60 - 9 0 0.51 0 .2 0 0.77 0.72 0 -15 0.41 0.29 1 .11 0.81 15 - 3 0 0 .2 0 0.39 0.89 0.17 30 - 4 5 0.30 0 .2 1 0.91 0.47 45 - 6 0 0 .2 1 0.24 0.67 0.29 60 - 9 0 0.19 0.17 0.45 0.38 49 Table A-ll. DTPA extractable nickel from soils receiving f i l t e r cake. D a te D ep th Treatment Medium Low -------------------- --------------mg/kg s o i l ------------ — C ontrol cm 5/80 10 /80 High -------------- —-------- 0 -15 0.80 0.45 0 .1 0 0.43 15 - 3 0 0.57 0.41 0.26 0.46 30 - 4 5 0.81 0.69 0.32 0.50 45 - 6 0 0.80 0.74 0.69 0.62 60 - 9 0 0.90 0.77 0.74 0.91 0 -1 5 0.91 1.14 1.36 0.97 15 - 3 0 0.58 0.79 1.16 0.87 30 - 4 5 0 .6 6 0.93 0.73 0.74 45 - 6 0 0.79 0.83 0.99 0.80 60 - 9 0 0.64 0.78 0.58 0.65 50 T a b l e A - 1 2 . DTPA e x t r a c t a b l e n i c k e l f r o m s o i l s r e c e i v i n g _______________ f i l t e r c a k e . ________________________________________________ Date D e p th _____________________ T r e a t m e n t _______________________ ________________________ C o n t r o l Low Medium_________ High cm mg/kg-s o i l - - - --------------3/81 11/ 8 1 0 -15 0.70 0.40 0.18 0.27 15 - 3 0 0.67 0.61 0.11 0.40 30 - 4 5 0.60 0.52 0.69 0.38 45 - 6 0 0.80 0.40 1.12 0.18 60 - 9 0 0.79 0.27 0.99 0.36 0 -15 0.81 0.18 1.00 0.42 15 - 3 0 0.47 0.67 1.24 0.29 30 - 4 5 0.62 0.49 0.86 0.17 45 - 6 0 0.18 0.39 0.17 0.19 60 - 9 0 0.69 0.17 0.29 0.24 51 Table A-13. D a te DTPA extractable lead from soils receiving filter cake. D ep th Treatment Low Medium ---------------------- --------------mg/kg B o i l ------------------ C ontrol cm 2.05 1 .0 0 1.63 15 - 3 0 10.69 1.43 1.59 1.46 30 - 4 5 1.62 1.93 1 .2 0 1.65 45 - 6 0 1 .3 9 1 .6 9 1 .5 1 1.28 60 - 9 0 0 .8 6 1.34 1.40 1.28 0 -15 1 .9 5 2.74 2.27 1.83 15 - 3 0 1 .1 2 1.78 1.52 1.63 30 - 4 5 1.48 1 .4 6 1.44 1 .4 9 1.48 1.25 1.45 1 .5 1 0.98 1.19 1.11 1 .1 2 o 1 1.93 O' 10/80 0 “ 15 VJl 5/80 High 60 - 9 0 52 Table A-14. Date DTPA extractable lead from soils receiving filter cake. D ept h C ontrol Treatment Medium Low High cm 3/81 11/81 1.97 1 .5 1 1.11 15 - 3 0 12 .9 1 1.19 1.26 1 .0 5 30 - 4 5 1.42 2.16 1 .2 2 1.29 45 - 6 0 1 .2 0 2 .1 1 1.6 1 1.28 60 - 9 0 0.80 1 .8 6 1.99 1 .5 7 0 -15 1 .8 8 1.60 2 .11 1 .6 6 15 - 3 0 1 .0 0 1.54 1.58 1.89 30 - 4 5 1. 61 1 .2 0 1 .5 4 1 .6 6 1 .2 0 1.30 2.19 1 .2 7 0 .8 8 1.11 2 .0 1 1. 81 1 o tO 1.80 in 0 -15 60 - 9 0 53 Table A-15. Available phosphorus in soils as affected by a d d i t i o n s of ray ce lla f i l t e r cake. D e p th Treatm ent 5/80 0 - 1 5 15-30 30 - 45 1 0/ 8 0 date 3 /8 1 ppm 11/81 Control 88 73 68 57 Low 84 60 58 48 Medium 83 61 60 51 High 85 59 60 50 Control 79 55 52 35 Low 64 44 47 37 Medium 65 50 48 43 High 75 52 51 42 C ontrol 38 27 28 22 Low 24 16 16 13 Medium 23 18 18 14 High 30 24 24 19 54 T a b l e A - 1 6 . T o t a l N0 3 “ N and NH4 -N i n t o p 45 cm a s a f f e c t e d by ____________a p p l i c a t i o n o f m y c e l i a f i l t e r cake*____________________ Treatment ______________ 5 / 8 0 6/80 date 7/80 8/80 9/80 k g / h a N O 3 -N i n 1980 I Q /8 0 Control 2 1 .6 2 9. 1 47.1 1 2 .0 10.5 10.9 Low 1 5 .6 30.4 53.3 27.4 17.3 1 9. 2 Medium 16 .1 35.6 67.9 30.7 31.7 2 2 .0 High 1 5 .9 36.9 87.6 91.8 41.5 58.0 k g / h a NH4 -N i n 1980 C ontrol 2 .6 3.5 6 .0 5.1 1.4 2.7 Low 1.7 3.6 4.9 5.6 1 .2 1.9 Medium 2.4 4.3 5.2 5.0 1.3 1.7 High 2.3 5.4 4.3 5.2 1 .2 2 .8 55 T a b l e A - 1 7 . T o t a l NO3 -N an d NH4 -N I n t o p 45 cm ae a f f e c t e d by ____________a p p l i c a t i o n o f m y c e l i a f i l t e r c a k e . ____________________ Treatment 3/81 C ontrol 9.4 5 /8 1 13 .1 date 6 /8 1 7 /8 1 9/81 k g / h a N0 3 ~N i n 1980 37.3 28.6 1 1 .7 11 /8 1 8.7 Low 15.7 18.3 48.3 28.3 14.6 9.2 Medium 16.0 27.9 70.8 21.3 1 2 .5 1 6 .0 High 28.6 32.3 54.2 26.5 13.1 38.3 k g / h a NH4 --N i n 1980 C ontrol 4.8 3.5 2.9 3.8 4.0 1 .6 Low 3.6 2 .2 3.0 5.2 3.0 1.9 Medium 3.8 2.5 3.0 5.1 3.2 1.8 High 2.7 1 .6 2 .8 4.6 3.3 2 .0