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  • SOIL FERTILITY EVALUATION AND CONTROL
    ebook
    SOIL FERTILITY EVALUATION AND CONTROL
    CHARLES A. BLACK
    Soil Fertility Evaluation and Control presents the theoretical background for practical applications of scientific work on soil fertility. The book emphasizes the use of response curves as the basic biological standard for both evaluation and control, and it discusses soil testing and plant analysis as secondary standards. The principal application ...

    $1,760.00

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