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Electronic Theses & Dissertations
190
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Theses
190
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English
190
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169
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Acid rain
1
Agricultural chemistry
1
Agricultural mapping
1
Agricultural systems
1
Agricultural wastes--Environmental aspects
1
Agriculture
1
Agriculture--Economic aspects
1
Alfalfa
3
Alkali lands
1
Aluminum
1
Apples
1
Argentina
1
Arthropoda
1
Beans
2
Beef cattle--Cow-calf system
1
Beet sugar
2
Bioavailability
1
Biotic communities
1
Botany
2
Brazil
2
Burning of land
1
Cadmium
1
Calcium
1
Calcium carbonate
2
Canada
1
Carbon
1
Carnations
1
Carrots
2
Chernozem soils
2
Clay
1
Clay minerals
1
Clay soils
1
Climatology
1
Cobalt
1
Colloids
1
Colluvium
1
Compost
1
Corn
1
Crop residues
1
Crop rotation
1
Crop yields
3
Cropping systems
1
Dendrochronology
1
Digital elevation models
1
Digital soil mapping
1
Eastern Nigeria
1
Ecological heterogeneity
1
Ecology
2
Ecuador
1
Evaporation
1
Farm management
1
Farms--Valuation
2
Fertilizers
14
Fertilizers--Research
1
Floods
1
Forest ecology
3
Forest fires
1
Forest influences
2
Forests and forestry
2
Fungi
2
Geology
2
Ghana
1
Glacial landforms
1
Grain
1
Grasses
1
Grazing
1
Grazing--Planning
1
Green manuring
1
Greenhouse management
1
Grids (Cartography)
1
Growth (Plants)
4
Hay
1
Hexachlorobenzene
1
Hornblende
1
Humus
1
Indiana
1
Insecticides
1
Iraq
1
Iron oxides
1
Irrigation
1
Irrigation--Planning
1
Jack pine
1
Japan
1
Kidney bean
1
Kidney bean--Research
1
Land use
4
Legumes
1
Libya
1
Lime
2
Liming of soils
1
Loam soils
1
Logging
1
Magnesium
2
Manganese
2
Manures
4
Michigan
55
Michigan--Baraga County
1
Michigan--Clinton County
1
Michigan--Holt
1
Michigan--Huron County
1
Michigan--Ingham County
2
Michigan--Mecosta County
1
Michigan--Monroe County
1
Michigan--Newaygo County
1
Michigan--Osceola County
2
Michigan--Ottawa County
1
Michigan--Tuscola County
1
Middle West
1
Mineralogy
1
Montana
1
Moraines
1
Natural resources
1
Nebraska
1
Nematode-plant relationships
1
New Mexico
1
Nickel
1
Nitrates
2
Nitrates--Environmental aspects
1
Nitrification
1
Nitrogen
2
Nitrogen cycle
1
Nitrogen fertilizers
1
Nitrous oxide
1
North Carolina
2
North Dakota
1
Nutrition
1
Onions
1
Ontario
2
Organocopper compounds
2
Peach
1
Peru
3
Phenols
1
Phosphate rock
1
Phosphorus
4
Phytopathogenic fungi
1
Plant anatomy--Methodology
1
Plant ecology
1
Plant morphology--Periodicals
1
Plant morphology--Philosophy
1
Plants--Analysis
2
Plants--Effect of cadmium on
1
Plants--Effect of chemicals on
1
Plants--Effect of copper on
1
Plants--Effect of metals on
1
Plants--Effect of minerals on
1
Plants--Effect of phosphorus on
1
Plants--Effect of potassium on
1
Plants--Effect of salts on
1
Plants--Nutrition
3
Podzol
5
Potassium
6
Potatoes
1
Potatoes--Yields
2
Prairies
1
Raspberries
1
Remote sensing
1
Research
1
Rhizobacteria
1
Rice
1
Road materials
1
Roots
1
Salts, Soluble
1
Sand
1
Sandy soils
1
Saprolites
1
Saskatchewan
1
Seedlings
1
Seedlings--Growth
1
Seeds
1
Sierra Leone
1
Slash pine
1
Slopes (Physical geography)
1
Slopes (Physical geography)--Data processing
1
Soil absorption and adsorption
1
Soil acidity
2
Soil amendments
1
Soil chemistry
17
Soil chronosequences
1
Soil conservation
1
Soil degradation
1
Soil erosion
1
Soil fungi
1
Soil management
1
Soil mapping
2
Soil mechanics
2
Soil microbiology
5
Soil mineralogy
1
Soil moisture
4
Soil percolation
1
Soil permeability
1
Soil physical chemistry
1
Soil physics
1
Soil science
1
Soil stabilization
1
Soil structure
2
Soil surveys
2
Soils and climate
1
Soils--Analysis
7
Soils--Calcium content
1
Soils--Carbonate content
1
Soils--Copper content
1
Soils--Iron content
1
Soils--Manganese content
2
Soils--Nitrogen content
2
Soils--Phosphorus content
3
Soils--Potassium content
2
Soils--Research
2
Soils--Testing
1
Soils--Zinc content
2
Somalia
1
Soybean
1
Sugar beet
3
Sugarcane
1
Sulfur
2
Superphosphates
1
Temperate climate
1
Testing
2
Texas
1
Tillage
5
Tropics
1
Turfgrasses--Growth
1
United States--Blue Ridge Mountains
1
Vegetation classification
1
Virginia
2
Water balance (Hydrology)
1
Weathering
1
Wetlands
1
Wisconsin
1
Zinc
1
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Influence of cultivation, cropping systems, and crop residues on the content and distribution of nitrogen forms in soils
Burutolu, Ebinimi F. A.
Text (1985)
Part of
Electronic Theses & Dissertations
A study of Michigan soils and clays and their affinity for bituminous materials
Alvord, James L.
Text (1936)
Part of
Electronic Theses & Dissertations
The effect of soil type on the availability of finely ground rock phosphate
Ripley, Philip O.
Text (1929)
Part of
Electronic Theses & Dissertations
The effect of alfalfa and sugar beet residues on following crops
O'Grady, Lawrence Joseph
Text (1948)
Part of
Electronic Theses & Dissertations
Properties, genesis and classification of textural subsoil horizons in some Michigan soils
Wurman, Eliahu, 1930-
Text (1957)
Part of
Electronic Theses & Dissertations
The classification of Michigan organic soils according to the 1968 classification of histosols
Johnson, Robert William
Text (1969)
Part of
Electronic Theses & Dissertations
The solubility of applied nutrients in muck soils & the composition & quality of certain muck crops as influenced by soil reaction changes & moisture conditions
Ligon, William S.
Text (1934)
Part of
Electronic Theses & Dissertations
Studies of genera cytophaga-flavobacterium in context of the soil carbon cycle
Mayrberger, Jenifer M.
Text (2011)
Part of
Electronic Theses & Dissertations
The influence of soil conditions and fertilizer treatments on the growth, chemical composition, and enzyme activities of sugar beets
Tyson, James, 1898-
Text (1929)
Part of
Electronic Theses & Dissertations
Activation of iron in plants by manganese & other chemicals in a lime-induced chlorosis
Sherman, G. Donald (George Donald), 1904-
Text (1940)
Part of
Electronic Theses & Dissertations
Some factors to consider in studying the fixation of phosphorous by soils
Weidemann, A. G. (Andrew G.,)
Text (1926)
Part of
Electronic Theses & Dissertations
The cation exchange capacity and percent calcium saturation in relation to the release and uptake of exchangeable calcium and potassium
Romo, Luis Armando
Text (1951)
Part of
Electronic Theses & Dissertations
Evaluation of potassium availability of four Michigan soils
Oya, Kazuhiro, 1934-
Text (1970)
Part of
Electronic Theses & Dissertations
The pedology of several profiles developed in the calcareous drift of eastern Michigan
Mick, Allan Herbert
Text (1947)
Part of
Electronic Theses & Dissertations
A study of the comparative merits of rock phosphates and superphosphate on a grain crop seeded to a hay mixture on three major soil types of the eastern townships of Quebec, Canada
Finn, Basil Joseph
Text (1955)
Part of
Electronic Theses & Dissertations
Climate, time and organisms in relation to Podzol development in Michigan sands
Messenger, Aubrey Steven
Text (1966)
Part of
Electronic Theses & Dissertations
The effect of methods and rates of application of two copper carriers on the yield and copper content of spinach and sudan grass grown in the greenhouse on two organic soils
Johnson, Keethley Eustace E., 1928-
Text (1952)
Part of
Electronic Theses & Dissertations
A dendrochronological appraisal of climatic, edaphic, and floristic patterns in north-western Indiana
Charton, Frank Lane, 1942-
Text (1972)
Part of
Electronic Theses & Dissertations
A chronosequence of soils on lake terraces in Northern Michigan
Barrett, Linda R.
Text (1991)
Part of
Electronic Theses & Dissertations
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
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