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  1. 1
    Publicado 1987
    Libro

    Efficiency of nitrogen fertilizers for rice.
  2. 2
    por Shah, R.N
    Publicado 1979
    Libro

    Some considerations when estimating profitable levels of applied N for rice
  3. 3
    por Fagi, Achmad Mudzakkir 1940-
    Publicado 1979
    Visual Material

    Environmental factors affecting fertilizer nitrogen efficiency in flooded tropical rice [microform]
  4. 4
    Publicado 1978
    Libro

    Preliminary report on the international trial on nitrogen fertilizer efficiency in rainfed wetland rice, 1st-.
  5. 5
    por Seetanun, Wittaya 1944-
    Publicado 1977
    Visual Material

    Milling and seed qualities, and protein content of rice as affected by times of harvest and nitrogen application [microform]
  6. 6
    por Carangdang, Diosdado A. 1935-
    Publicado 1977
    Visual Material

    The effects of sources, placements, timing of nitrogen application and placements of phosphorus fertilizer on the nitrogen uptake, growth and yield of rice variety BPI 76 and on levels of mineral nitrogen on Maahas clay [microform]
  7. 7
    por Sharma, Vishnu Prasad 1938-
    Publicado 1977
    Visual Material

    Effect of varietal type, season, and management level on the nitrogen response of Indica rice [microform]
  8. 8
    por Thasanasongchan, Akwut 1945-
    Publicado 1977
    Visual Material

    Methods, sources and time of nitrogen application for upland rice [microform]
  9. 9
    por Mallick, Rajeshwar Nath 1939-
    Publicado 1977
    Visual Material

    Interaction between soil moisture regime and nitrogen level in upland rice [microform].
  10. 10
    por Pisithpun, Saowanee 1939-
    Publicado 1977
    Visual Material

    Fertilizer response of rice under varying environment and management practices [microform].
  11. 11
    por Fagade, Samson Olaseni 1941-
    Publicado 1977
    Visual Material

    Growth characteristics, grain yield and quality of rice as affected by plant density and nitrogen level [microform]
  12. 12
    por Simsiman, Geronimo Vivit 1937-
    Publicado 1977
    Visual Material

    Effects of nitrogenforms and methods of application for lowlnd rice [microform]
  13. 13
    por Cardenas, Marlito L. 1948-
    Publicado 1975
    Visual Material

    Efficiency of some nitrogen sources and their effects on lowland rice [microform]
  14. 14
    por Cosico, Wilfredo Cosico 1943-
    Publicado 1975
    Visual Material

    Response of rice to different nitrogen fertilizers and times of application [microform]
  15. 15
    Visual Material

    Influence of nitrogen and plant spacing in the yield components of non-photoperiod sensitive rice varities [microform]
  16. 16
    por Obias, Raymundo O. 1971-
    Publicado 1975
    Visual Material

    Timing of nitrogen application on lowland rice vareities differing in growth duration [microform]
  17. 17
    Publicado 1975
    Libro

    International trial on nitrogen fertilizer efficiency in rice, 1st-.
  18. 18
    por Fagade, Samson Olaseni 1941-
    Publicado 1970
    Thesis

    Growth characteristics, grain yield and quality of rice as affected by plant density and nitrogen level
  19. 19
    Thesis

    Influence of nitrogen and plant spacing on the yield components of non-photoperiod sensitive rice varieties
  20. 20
    por Alcasid, Godofredo N.
    Publicado 1969
    Libro

    An economic analysis of the efficiency of the nitrogen fertilizer in rice production
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