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Electronic Theses & Dissertations
195
Pula : Botswana Journal of African Studies
1
Material Type
Theses
195
Articles
1
Language
English
196
Copyright Status
In Copyright
171
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Acid rain
1
Agricultural chemistry
1
Agricultural mapping
1
Agricultural systems
1
Agricultural wastes--Environmental aspects
1
Agriculture
2
Agriculture--Economic aspects
1
Alfalfa
3
Alkali lands
1
Aluminum
1
Apples
1
Archaeology
1
Argentina
1
Arthropoda
1
Beans
2
Beef cattle--Cow-calf system
1
Beet sugar
2
Bioavailability
1
Biotic communities
1
Botany
2
Botswana
1
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
3
Fungi
2
Geographic information systems
1
Geology
2
Ghana
1
Glacial landforms
1
Grain
1
Grasses
1
Grazing
1
Grazing--Planning
1
Great Lakes Region
1
Green manuring
1
Greenhouse management
1
Grids (Cartography)
1
Growth (Plants)
4
Hardwoods
1
Hay
1
Hexachlorobenzene
1
Hornblende
1
Humus
1
Indiana
1
Insecticides
1
Iraq
1
Iron age
1
Iron oxides
1
Irrigation
1
Irrigation--Planning
1
Jack pine
1
Japan
1
Kidney bean
1
Kidney bean--Research
1
Land use
5
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 England
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
Pastoral systems
1
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
Prehistoric peoples
1
Raspberries
1
Remote sensing
1
Reproduction
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
2
Seedlings--Evaluation
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
Soil temperature
1
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
Species diversity
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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Relation between phosphate sorption and aggregation in oxisols from Brazil
De Lima, Jose Maria
Text (1995)
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 certain wetting agents on the water intake & erodibility of soils
Thornburn, Thomas H. (Thomas Hampton), 1916-1986
Text (1941)
Part of
Electronic Theses & Dissertations
Morphology and genesis of some soils containing fragipans in northern Michigan
Yassoglou, Nicolaos John
Text (1959)
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
An investigation of the characteristics of some soils on glacial moraines of Cary and Mankato age in Sanilac county, Michigan
Allen, Bonnie L.
Text (1951)
Part of
Electronic Theses & Dissertations
Evaluation of soil in a land use study in Virginia
Lewis, William Walker
Text (1939)
Part of
Electronic Theses & Dissertations
Correlation of the saturated paste extract method of measuring soluble salt content of soils with the one-to-two extract method in Michigan greenhouse soils
Rutland, Rufus Burr
Text (1960)
Part of
Electronic Theses & Dissertations
Sulfate retention and release in six eastern soils
Hayden, Nancy Joan
Text (1987)
Part of
Electronic Theses & Dissertations
The influence of crops upon those which follow
Ripley, P. O.
Text (1940)
Part of
Electronic Theses & Dissertations
A pedologic study of soil profiles in the transitional belt between the podzol and gray-brown podzolic regions in Michigan
Gardner, David Rice
Text (1951)
Part of
Electronic Theses & Dissertations
Comparative effects of three tillage methods on soil microarthropod populations
Loring, Steven Jefferson
Text (1979)
Part of
Electronic Theses & Dissertations
Relationships of potassium fixation and release to the clay mineral composition of some Michigan soils
Cummings, Samuel Lewis
Text (1959)
Part of
Electronic Theses & Dissertations
Characterization, classification and use interpretations of a sequence of soils along the Transamazon Highway, of Brazil between the Xingu and Jacare Rivers
Pires-Filho, Antonio M.
Text (1978)
Part of
Electronic Theses & Dissertations
A study of manganese availability in several Michigan soils
Pailoor, Govind
Text (1966)
Part of
Electronic Theses & Dissertations
Effects of rates and sources of potassium on yields and mineral content of potatoes and evaluation of potassium quantity-intensity relationships of selected Michigan soils
Crabtree, Robert Jewell
Text (1969)
Part of
Electronic Theses & Dissertations
Genetic and induced properties of Mollisols of the northern "pampa", Argentina
Panigatti, Jose Luis, 1939-
Text (1975)
Part of
Electronic Theses & Dissertations
Potassium release characteristics of selected Peruvian soils
Oelsligle, Donald Daniel, 1943-
Text (1972)
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
Classification of the soils of Ghana
Asamoa, G. K.
Text (1961)
Part of
Electronic Theses & Dissertations
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