Showing 21 - 40 results of 70 for search '', query time: 0.02s Refine Results
  1. 21
    by Mallick, Rajeshwar Nath 1939-
    Published 1977
    Visual Material

    Interaction between soil moisture regime and nitrogen level in upland rice [microform].
  2. 22
    by Pisithpun, Saowanee 1939-
    Published 1977
    Visual Material

    Fertilizer response of rice under varying environment and management practices [microform].
  3. 23
    by Ho, I-Liang 1932-
    Published 1977
    Visual Material

    Effect of nitrogen on fruit and seed yield and seed quality of tomato [microform]
  4. 24
    by Fagade, Samson Olaseni 1941-
    Published 1977
    Visual Material

    Growth characteristics, grain yield and quality of rice as affected by plant density and nitrogen level [microform]
  5. 25
    by Manguiat, Ireneo Javier 1945-
    Published 1977
    Visual Material

    Microbiological transformations of nitrogen in flooded maahas clay [microform]
  6. 26
    Visual Material

    The effect of insecticides, species diversity and nitrogen fertilizer on insect infestation and yield of cotton [microform].
  7. 27
    by Simsiman, Geronimo Vivit 1937-
    Published 1977
    Visual Material

    Effects of nitrogenforms and methods of application for lowlnd rice [microform]
  8. 28
    by Obedoza, Romeo Bautista 1940-
    Published 1977
    Visual Material

    Water adequacy at the farm level its influence on input use and rice yield [microform]
  9. 29
    by Cardenas, Marlito L. 1948-
    Published 1975
    Visual Material

    Efficiency of some nitrogen sources and their effects on lowland rice [microform]
  10. 30
    by Cosico, Wilfredo Cosico 1943-
    Published 1975
    Visual Material

    Response of rice to different nitrogen fertilizers and times of application [microform]
  11. 31
    Visual Material

    Influence of nitrogen and plant spacing in the yield components of non-photoperiod sensitive rice varities [microform]
  12. 32
    by Obias, Raymundo O. 1971-
    Published 1975
    Visual Material

    Timing of nitrogen application on lowland rice vareities differing in growth duration [microform]
  13. 33
    Published 1975
    Book

    International trial on nitrogen fertilizer efficiency in rice, 1st-.
  14. 34
    by Achorn, F.P
    Published 1974
    Book

    Expansion of the fertilizer industry in the Philippines
  15. 35
    by Domingo, Alfredo A. 1944-
    Published 1974
    Visual Material

    Effects of rate of seedling and time of nitrogen top-dressing on the grain yield of broadcast rice [microform]
  16. 36
    by Manguiat, Ireneo Javier 1945-
    Published 1970
    Thesis

    Microbiological transformations of nitrogen in flooded maahas clay
  17. 37
    by Fagade, Samson Olaseni 1941-
    Published 1970
    Thesis

    Growth characteristics, grain yield and quality of rice as affected by plant density and nitrogen level
  18. 38
    by Ho, I-Liang 1932-
    Published 1970
    Thesis

    Effect of nitrogen on fruit and seed yield and seed quality of tomato
  19. 39
    Thesis

    Influence of nitrogen and plant spacing on the yield components of non-photoperiod sensitive rice varieties
  20. 40
    by Alcasid, Godofredo N.
    Published 1969
    Book

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