Search Results - "Soils Potassium content"

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  1. 1

    Potassium in soil proceedings of the 9th colloquium of the International Potash Institute held in Landshut/Federal Republic of Germany

    Published 1972
    Subjects: “…Soils Potassium content…”
    Book
  2. 2

    Potassium symposium : 12 papers read at the Fourth Congress of the International Potash Institute (4 sessions), Madrid 1958.

    Published 1958
    Subjects:
    Conference Proceeding Book