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  1. 51
    Published 1976
    Book

    Laboratory procedures for soil analysis
  2. 52
    by Yoshida, Tomio, Padre, Benjamin C.
    Published 1975
    Analytics

    Effect of organic matter application and water regimes on the transformation of fertilizer nitrogen in a Philippine soil
  3. 53
    by Yoshida, T.
    Published 1970
    Analytics

    Degradation of gamma-BHC in rice soils
  4. 54
    by Russell, Sir Edward John 1872-
    Published 1961
    Book

    Soil conditions and plant growth
  5. 55
    Published 1938
    Book

    Soils & men.
  6. 56
    Analytics

    Impact of agrochemical application on soil and water resources
  7. 57
    Analytics

    Soil properties of agricultural farms in two agro-ecological zones of three municipalities of Benguet
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