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Showing 161 to 180 of 196 results

Activity measurements in water and clay-water systems

Activity measurements in water and clay-water systems

Text (1959)

Part of Electronic Theses & Dissertations

Growth and nutrition of plants as affected by degree of base saturation of montmorillonitic, kaolinitic and illicit types of soil colloids

Growth and nutrition of plants as affected by degree of base saturation of montmorillonitic, kaolinitic and illicit types of soil colloids

Text (1948)

Part of Electronic Theses & Dissertations

A study of cobalt in Michigan soils

A study of cobalt in Michigan soils

Apostolakis, Costas George, 1926-

Text (1955)

Part of Electronic Theses & Dissertations

The effect of time and rate of application of nitrogen, date of harvest and various production practices on the yield and sucrose content of sugar beets

The effect of time and rate of application of nitrogen, date of harvest and various production practices on the yield and sucrose content of sugar beets

Baldwin, Charles Stanley

Text (1964)

Part of Electronic Theses & Dissertations

A study of the effects of different fertilizer mixtures and certain minor elements on the growth of mint and on the yields and physicochemical constants of the oil

A study of the effects of different fertilizer mixtures and certain minor elements on the growth of mint and on the yields and physicochemical constants of the oil

Laughlin, Winston Means, 1917-2009

Text (1949)

Part of Electronic Theses & Dissertations

Effect of lignin on soil properties and plant growth

Effect of lignin on soil properties and plant growth

Wang, Ming Yuen

Text (1953)

Part of Electronic Theses & Dissertations

The effect of soil pH, as modified by liming, on the availability of phosphorus and potassium for alfalfa in some Eastern Ontario soils

The effect of soil pH, as modified by liming, on the availability of phosphorus and potassium for alfalfa in some Eastern Ontario soils

MacLean, Alister Joseph, 1914-

Text (1954)

Part of Electronic Theses & Dissertations

The effect of oxygen diffusion rate on nitrification

The effect of oxygen diffusion rate on nitrification

Brandt, Gerald Hald

Text (1960)

Part of Electronic Theses & Dissertations

A study of some effects of seven systems of farming upon crop yields and soil structure

A study of some effects of seven systems of farming upon crop yields and soil structure

Robertson, Lynn Shelby, 1916-

Text (1955)

Part of Electronic Theses & Dissertations

The fixation of ammonia and nitrate by organic materials

The fixation of ammonia and nitrate by organic materials

Text (1958)

Part of Electronic Theses & Dissertations

Relationships of land uses to land character of Lansing and environs

Relationships of land uses to land character of Lansing and environs

Doehne, Harry Arthur

Text (1959)

Part of Electronic Theses & Dissertations

Soil factors affecting the growth of carnations

Soil factors affecting the growth of carnations

Rawson, Jesse Melvin, 1915-

Text (1953)

Part of Electronic Theses & Dissertations

The behavior of applied phosphorus and potassium in organic soil as indicated by soil tests and the relationship between soil tests, green-tissue tests and crop yields

The behavior of applied phosphorus and potassium in organic soil as indicated by soil tests and the relationship between soil tests, green-tissue tests and crop yields

Bigger, Theodore Cuyler

Text (1953)

Part of Electronic Theses & Dissertations

Evaluation of spodic horizon criteria, and classification of some Michigan soils

Evaluation of spodic horizon criteria, and classification of some Michigan soils

Text (1968)

Part of Electronic Theses & Dissertations

A study of the utilization by oats of phosphorous from the soil and from various phosphatic fertilizers as measured by tracer techniques

A study of the utilization by oats of phosphorous from the soil and from various phosphatic fertilizers as measured by tracer techniques

Brammell, Wallace Scott

Text (1952)

Part of Electronic Theses & Dissertations

The effects of copper applied to organic soil alone and in association with manganese and zinc, on composition of crops and reactions in the soil

The effects of copper applied to organic soil alone and in association with manganese and zinc, on composition of crops and reactions in the soil

Lucas, Robert E. (Robert Elmer), 1916-

Text (1947)

Part of Electronic Theses & Dissertations

$The nitrogen fractionation of a clay treated sandy soil$

The nitrogen fractionation of a clay treated sandy soil

Text (1959)

Part of Electronic Theses & Dissertations

The effect of oxygen supply on the growth and the incidence of root-rot in beans

The effect of oxygen supply on the growth and the incidence of root-rot in beans

Henry, Artnel Samuel

Text (1962)

Part of Electronic Theses & Dissertations

A pedologic study of the shallow bog-diatomaceous earths of the Klamath area - Oregon

A pedologic study of the shallow bog-diatomaceous earths of the Klamath area - Oregon

Ferris, Howard John

Text (1951)

Part of Electronic Theses & Dissertations

The effect of varying soil moisture, fertilization, and height of cutting on the quality of turf

The effect of varying soil moisture, fertilization, and height of cutting on the quality of turf

Daniel, William Hugh, 1919-

Text (1950)

Part of Electronic Theses & Dissertations