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  • Subject: Soils--Potassium content
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  • Electronic Theses & Dissertations
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  • Potassium release characteristics of selected Peruvian soils

    Oelsligle, Donald Daniel, 1943-
    Text (1972)
    Part of Electronic Theses & Dissertations
    In Copyright
  • 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
    In Copyright
  • 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
    In Copyright
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