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  1. 1

    Effect of utilizing a combination of cow and chicken manures as organic fertilizer in fish pond di Babalola, Julius

    Tesi

    Effect of utilizing a combination of cow and chicken manures as organic fertilizer in fish pond
  2. 2

    Natural 15N abundance can aid the discrimination of organic and conventional rice. di Nishida, Mizuhiko

    Articolo

    Natural 15N abundance can aid the discrimination of organic and conventional rice.

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