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  1. 1
    di Fagi, Achmad Mudzakkir 1940-
    Pubblicazione 1979
    Visual Material

    Environmental factors affecting fertilizer nitrogen efficiency in flooded tropical rice [microform]
  2. 2
    Pubblicazione 1978
    Libro

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

    Milling and seed qualities, and protein content of rice as affected by times of harvest and nitrogen application [microform]
  4. 4
    di Alferez, Arturo Carino 1940-
    Pubblicazione 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
    di Sharma, Vishnu Prasad 1938-
    Pubblicazione 1977
    Visual Material

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

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

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

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

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

    International trial on nitrogen fertilizer efficiency in rice, 1st-.
  11. 11
    di Achorn, F.P
    Pubblicazione 1974
    Libro

    Expansion of the fertilizer industry in the Philippines
  12. 12
    di Fagade, Samson Olaseni 1941-
    Pubblicazione 1970
    Tesi

    Growth characteristics, grain yield and quality of rice as affected by plant density and nitrogen level
  13. 13
    di Mariano, Bernardo Santiago 1940-
    Pubblicazione 1969
    Tesi

    Influence of nitrogen and plant spacing on the yield components of non-photoperiod sensitive rice varieties
  14. 14
    di Alcasid, Godofredo N.
    Pubblicazione 1969
    Libro

    An economic analysis of the efficiency of the nitrogen fertilizer in rice production
  15. 15
    di Alferez, Arturo Carino 1940-
    Pubblicazione 1968
    Tesi

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

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

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

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

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

    Factors affecting the effect of time of nitrogen application in rice
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