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Degree Level: Doctoral
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Subject: Soils
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Collection
Electronic Theses & Dissertations
78
Material Type
Theses
78
Language
English
78
Subject
Agricultural mapping
1
Agriculture
1
Alfalfa
1
Aluminum
1
Argentina
1
Beans
1
Beef cattle--Cow-calf system
1
Bioavailability
1
Biotic communities
1
Botany
2
Brazil
1
Carbon
1
Carnations
1
Carrots
1
Chernozem soils
2
Clay
1
Climatology
1
Cobalt
1
Colloids
1
Colluvium
1
Compost
1
Crop residues
1
Crop rotation
1
Crop yields
1
Cropping systems
1
Dendrochronology
1
Digital elevation models
1
Digital soil mapping
1
Eastern Nigeria
1
Ecology
2
Fertilizers
4
Fertilizers--Research
1
Forest ecology
3
Forest fires
1
Forests and forestry
1
Fungi
2
Geology
1
Glacial landforms
1
Grain
1
Grazing
1
Grazing--Planning
1
Great Lakes Region
1
Green manuring
1
Grids (Cartography)
1
Growth (Plants)
3
Hardwoods
1
Hay
1
Indiana
1
Irrigation--Planning
1
Land use
2
Libya
1
Loam soils
1
Logging
1
Magnesium
1
Manures
2
Michigan
27
Michigan--Holt
1
Mineralogy
1
Montana
1
Nematode-plant relationships
1
New Mexico
1
Nitrification
1
Nitrogen
1
Nitrogen cycle
1
Nitrogen fertilizers
1
Nitrous oxide
1
North Carolina
1
North Dakota
1
Ontario
1
Peru
2
Phosphate rock
1
Phosphorus
2
Plant anatomy--Methodology
1
Plant morphology--Periodicals
1
Plant morphology--Philosophy
1
Plants--Analysis
1
Plants--Effect of chemicals on
1
Plants--Effect of phosphorus on
1
Plants--Effect of potassium on
1
Plants--Nutrition
2
Podzol
3
Potassium
4
Potatoes
1
Potatoes--Yields
2
Prairies
1
Reproduction
1
Research
1
Rhizobacteria
1
Sand
1
Sandy soils
1
Saskatchewan
1
Seedlings
1
Seedlings--Evaluation
1
Sierra Leone
1
Slash pine
1
Slopes (Physical geography)
1
Slopes (Physical geography)--Data processing
1
Soil acidity
1
Soil amendments
1
Soil chemistry
4
Soil degradation
1
Soil erosion
1
Soil mapping
1
Soil mechanics
1
Soil microbiology
3
Soil mineralogy
1
Soil moisture
2
Soil physical chemistry
1
Soil science
1
Soil surveys
1
Soils and climate
1
Soils--Analysis
5
Soils--Copper content
1
Soils--Manganese content
1
Soils--Nitrogen content
2
Soils--Phosphorus content
2
Soils--Potassium content
2
Soils--Research
1
Soils--Testing
1
Soils--Zinc content
1
Species diversity
1
Sugar beet
1
Sulfur
1
Superphosphates
1
Temperate climate
1
Testing
1
Tillage
2
Turfgrasses--Growth
1
United States--Blue Ridge Mountains
1
Vegetation classification
1
Water balance (Hydrology)
1
Wetlands
1
Wisconsin
1
Zinc
1
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The climatic regions of the Socialist People's Libyan Arab Jamahiriya according to Thornthwaite's water balace method
El-Aghel, Asseddigh Mohamed
Text (1978)
Part of
Electronic Theses & Dissertations
Relationships between aluminum and soil acidity in several Michigan soils and related mineralogy studies
Rieke, Paul Eugene
Text (1963)
Part of
Electronic Theses & Dissertations
Water soils in relation to lake productivity
Roelofs, Eugene W.
Text (1941)
Part of
Electronic Theses & Dissertations
Potassium release characteristics of selected Peruvian soils
Oelsligle, Donald Daniel, 1943-
Text (1972)
Part of
Electronic Theses & Dissertations
Mycostasis and the microbial nutrient sink of soil
Filonow, Alexander Bruce
Text (1981)
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
Accuracy of soil property maps for site-specific management
Mueller, Thomas G.
Text (1998)
Part of
Electronic Theses & Dissertations
A study of the availabilty of native and added phosphorus in several Michigan soils as measured by chemical analyses and plant growth response
Smith, Floyd William
Text (1949)
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
Mechanical behavior of fibrous organic soils
Khattak, Anwar Shah
Text (1978)
Part of
Electronic Theses & Dissertations
Sources of sulfur for crop plants in Michigan and its effects on their growth and composition
Cressman, Harry Keith
Text (1961)
Part of
Electronic Theses & Dissertations
A study of the relation between the supply of potassium and other nutrient elements in several Michigan soil types and the growth of alfalfa and field beans
Lawton, Kirkpatrick
Text (1945)
Part of
Electronic Theses & Dissertations
An economic analysis of potato yields on certain Ontario mineral soils in controlled fertilizer experiments, 1954-1956
Wright, Philip A.
Text (1962)
Part of
Electronic Theses & Dissertations
The influence of contrasting adjacent soil regions on the agricultural systems of selected areas in Illinois, Indiana, and Ohio
Limbird, Arthur George
Text (1972)
Part of
Electronic Theses & Dissertations
Some relationships between land use and selected natural land types in the Lansing region of Michigan
Fairchild, Henry Wilford
Text (1950)
Part of
Electronic Theses & Dissertations
The effects of fertilizers on the yield and chemical composition of crops grown on organic soils
Shepherd, Lawrence Nathan
Text (1962)
Part of
Electronic Theses & Dissertations
The influence of cultivation on soil properties and turfgrass growth
Murphy, James Arthur
Text (1990)
Part of
Electronic Theses & Dissertations
Multifactor classification of ecological land units in northeastern lower Michigan
Cleland, David Thomas
Text (1997)
Part of
Electronic Theses & Dissertations
Tonguing, interfingering and argillans in the Marlette and Miami soils : their geographic distribution, genesis, morphology and implied practical differences
Laurin, Raymond, 1935-
Text (1976)
Part of
Electronic Theses & Dissertations
Mineral and organic forms of nitrogen in some Michigan soils and an agro-economic evaluation of their potential usefulness for advisory purposes
Singh, Bhubneshwar Narain
Text (1960)
Part of
Electronic Theses & Dissertations
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