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  1. 11
    by Vergara, B. S.
    Published 1979
    Book

    A farmer's primer on growing rice
  2. 12
    by Vergara, Benito S.
    Published 1979
    Book

    A farmer's primer on growing rice.
  3. 13
    Published 1978
    Book

    Preliminary report on the international trial on nitrogen fertilizer efficiency in rainfed wetland rice, 1st-.
  4. 14
    by Godfrey, Sam-Aggrey W.
    Published 1976
    Book

    Cassava (Manihot Esculenta) fertilizer and nutritional studies in Sierra Leone, West Africa.
  5. 15
    Published 1975
    Book

    International trial on nitrogen fertilizer efficiency in rice, 1st-.
  6. 16
    by Beebe, James
    Published 1974
    Book

    Fertilizers for rice
  7. 17
    Published 1970
    Book

    Proceedings [of a] Seminar-Workshop on Soils and Fertilizers
  8. 18
    Book

    Rice fertilization a six-year isotope study on nitrogen and phosphorus fertilizer utilization
  9. 19
    Published 1966
    Book

    Statistics of crop responses to fertilizers.
  10. 20
    Published 1961
    Book

    Gumamit ng pataba at apog.
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