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Potassium release characteristics of selected Peruvian soils

Potassium release characteristics of selected Peruvian soils

Oelsligle, Donald Daniel, 1943-

Text (1972)

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

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

A study of the response of peach trees to potassium fertilization

A study of the response of peach trees to potassium fertilization

Daniel, William Hugh, 1919-

Text (1948)

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

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

Relationships of potassium fixation and release to the clay mineral composition of some Michigan soils

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

The effect of varying the treatments of nitrogen, phosphorus and potassium alone and in combination on certain characteristics of a dwarf grain sorghum

The effect of varying the treatments of nitrogen, phosphorus and potassium alone and in combination on certain characteristics of a dwarf grain sorghum

Dunton, Henry Lankford

Text (1949)

Part of Electronic Theses & Dissertations