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Effect of rate, placement and source of potassium on yield and mineral content of potatoes and phosphorus forms and equilibria in selected Peruvian soils

Effect of rate, placement and source of potassium on yield and mineral content of potatoes and phosphorus forms and equilibria in selected Peruvian soils

Valverde, Carlos Suarez

Text (1970)

Part of Electronic Theses & Dissertations

Some effects of nutrients on growth and mineral composition of alfalfa and tomatoes on four Michigan sandy soils

Some effects of nutrients on growth and mineral composition of alfalfa and tomatoes on four Michigan sandy soils

Tobin, Leslie Warren

Text (1951)

Part of Electronic Theses & Dissertations

Effect of different kinds of organic materials & fertilizers on the accumlation of ammonia & nitrate nitrogen in composts

Effect of different kinds of organic materials & fertilizers on the accumlation of ammonia & nitrate nitrogen in composts

Text (1940)

Part of Electronic Theses & Dissertations

The effect of temperature, humidity, fertilizer, soil moisture, and leaf area on the set of pods and yield of white pea beans

The effect of temperature, humidity, fertilizer, soil moisture, and leaf area on the set of pods and yield of white pea beans

Davis, J. F. (John Frederick), 1908-1975

Text (1943)

Part of Electronic Theses & Dissertations