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  1. 1
    por Fagi, Achmad Mudzakkir 1940-
    Publicado em 1979
    Visual Material

    Environmental factors affecting fertilizer nitrogen efficiency in flooded tropical rice [microform]
  2. 2
    Publicado em 1978
    Livro

    Preliminary report on the international trial on nitrogen fertilizer efficiency in rainfed wetland rice, 1st-.
  3. 3
    por Seetanun, Wittaya 1944-
    Publicado em 1977
    Visual Material

    Milling and seed qualities, and protein content of rice as affected by times of harvest and nitrogen application [microform]
  4. 4
    por Alferez, Arturo Carino 1940-
    Publicado em 1977
    Visual Material

    The influence of irrigation and nitrogen on dry seed yeild and germinability of four vegetable legumes harvested at different stages of maturity [microform]
  5. 5
    por Sharma, Vishnu Prasad 1938-
    Publicado em 1977
    Visual Material

    Effect of varietal type, season, and management level on the nitrogen response of Indica rice [microform]
  6. 6
    por Mallick, Rajeshwar Nath 1939-
    Publicado em 1977
    Visual Material

    Interaction between soil moisture regime and nitrogen level in upland rice [microform].
  7. 7
    por Cardenas, Marlito L. 1948-
    Publicado em 1975
    Visual Material

    Efficiency of some nitrogen sources and their effects on lowland rice [microform]
  8. 8
    por Cosico, Wilfredo Cosico 1943-
    Publicado em 1975
    Visual Material

    Response of rice to different nitrogen fertilizers and times of application [microform]
  9. 9
    por Mariano, Bernardo Santiago 1940-
    Publicado em 1975
    Visual Material

    Influence of nitrogen and plant spacing in the yield components of non-photoperiod sensitive rice varities [microform]
  10. 10
    Publicado em 1975
    Livro

    International trial on nitrogen fertilizer efficiency in rice, 1st-.
  11. 11
    por Achorn, F.P
    Publicado em 1974
    Livro

    Expansion of the fertilizer industry in the Philippines
  12. 12
    por Fagade, Samson Olaseni 1941-
    Publicado em 1970
    Tese

    Growth characteristics, grain yield and quality of rice as affected by plant density and nitrogen level
  13. 13
    por Mariano, Bernardo Santiago 1940-
    Publicado em 1969
    Tese

    Influence of nitrogen and plant spacing on the yield components of non-photoperiod sensitive rice varieties
  14. 14
    por Alcasid, Godofredo N.
    Publicado em 1969
    Livro

    An economic analysis of the efficiency of the nitrogen fertilizer in rice production
  15. 15
    por Alferez, Arturo Carino 1940-
    Publicado em 1968
    Tese

    The influence of irrigation and nitrogen on dry seed yield and germinability of four vegetable legumes harvested at different stages of maturity
  16. 16
    Livro

    Interaction between soil moisture regime and nitrogen level in upland rice
  17. 17
    Livro

    Effects of plant population density and nitrogen fertilizer applicaton on sorghum and soybean planted as monoculture and intercrop
  18. 18
    Livro

    The response of soybean (Glycine max Merrill) to foliar spray of two nitrogen sources
  19. 19
    Livro

    Yield response of two sweet potato cultivars to different levels of nitrogen-potassium fertilizer under different management practices
  20. 20
    Livro

    Factors affecting the effect of time of nitrogen application in rice
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