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  1. 1

    Effects of organic and inorganic fertilizers on corn performance and on some soil properties [microform] by Castillo, Edgardo H. 1946-

    Published 1980
    Visual Material

    Effects of organic and inorganic fertilizers on corn performance and on some soil properties [microform]
  2. 2

    The effect of rate and timing of nitrogen application with and without phosphorous on the performance of rice in Maapag clay loam [microform] by Melodia, Fortunato S. 1931-

    Published 1975
    Visual Material

    The effect of rate and timing of nitrogen application with and without phosphorous on the performance of rice in Maapag clay loam [microform]
  3. 3

    Effects of organic and inorganic fertilizers on corn performance and on some soil properties by Castillo, Edgardo H. 1946-

    Book

    Effects of organic and inorganic fertilizers on corn performance and on some soil properties

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