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  1. 1
    Publié 1987
    Livre

    Efficiency of nitrogen fertilizers for rice.
  2. 2
    par Shah, R.N
    Publié 1979
    Livre

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

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

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

    Milling and seed qualities, and protein content of rice as affected by times of harvest and nitrogen application [microform]
  6. 6
    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
    par Sharma, Vishnu Prasad 1938-
    Publié 1977
    Visual Material

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

    Methods, sources and time of nitrogen application for upland rice [microform]
  9. 9
    Visual Material

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

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

    Growth characteristics, grain yield and quality of rice as affected by plant density and nitrogen level [microform]
  12. 12
    Visual Material

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

    Efficiency of some nitrogen sources and their effects on lowland rice [microform]
  14. 14
    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
    par Obias, Raymundo O. 1971-
    Publié 1975
    Visual Material

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

    International trial on nitrogen fertilizer efficiency in rice, 1st-.
  18. 18
    par Fagade, Samson Olaseni 1941-
    Publié 1970
    Thèse

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

    Influence of nitrogen and plant spacing on the yield components of non-photoperiod sensitive rice varieties
  20. 20
    par Alcasid, Godofredo N.
    Publié 1969
    Livre

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