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  1. 1
    por Margate, Rogaciano Zamoras 1944-
    Publicado em 1980
    Visual Material

    Nutrient composition and growth of pine-apple and coconut intercrops as influenced by nitrogen, phosphorus and potasium [microform].
  2. 2
    por De la Cruz, Loretto V. Uri 1946-
    Publicado em 1979
    Visual Material

    The effects of nitrogen fertilization and mulching on the growth and survival of out-planted kaatoan bangkal (anthocephalus chinensis Rich.ex Walp.) seedlings and on some soil properties of an open grassland [microform]
  3. 3
    por Fagi, Achmad Mudzakkir 1940-
    Publicado em 1979
    Visual Material

    Environmental factors affecting fertilizer nitrogen efficiency in flooded tropical rice [microform]
  4. 4
    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]
  5. 5
    por Carangdang, Diosdado A. 1935-
    Publicado em 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]
  6. 6
    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]
  7. 7
    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]
  8. 8
    por Thasanasongchan, Akwut 1945-
    Publicado em 1977
    Visual Material

    Methods, sources and time of nitrogen application for upland rice [microform]
  9. 9
    por Hombrebueno, Eduardo M. 1938-
    Publicado em 1977
    Visual Material

    The influence of nitrogen-potassium ration and moisture regime on juice quality and NPK composition of Phil 56226 [microform]
  10. 10
    por Mallick, Rajeshwar Nath 1939-
    Publicado em 1977
    Visual Material

    Interaction between soil moisture regime and nitrogen level in upland rice [microform].
  11. 11
    por Pisithpun, Saowanee 1939-
    Publicado em 1977
    Visual Material

    Fertilizer response of rice under varying environment and management practices [microform].
  12. 12
    por Ho, I-Liang 1932-
    Publicado em 1977
    Visual Material

    Effect of nitrogen on fruit and seed yield and seed quality of tomato [microform]
  13. 13
    por Fagade, Samson Olaseni 1941-
    Publicado em 1977
    Visual Material

    Growth characteristics, grain yield and quality of rice as affected by plant density and nitrogen level [microform]
  14. 14
    por Manguiat, Ireneo Javier 1945-
    Publicado em 1977
    Visual Material

    Microbiological transformations of nitrogen in flooded maahas clay [microform]
  15. 15
    por Villamayor, Federico Garcia 1949-
    Publicado em 1977
    Visual Material

    The effect of insecticides, species diversity and nitrogen fertilizer on insect infestation and yield of cotton [microform].
  16. 16
    por Simsiman, Geronimo Vivit 1937-
    Publicado em 1977
    Visual Material

    Effects of nitrogenforms and methods of application for lowlnd rice [microform]
  17. 17
    por Obedoza, Romeo Bautista 1940-
    Publicado em 1977
    Visual Material

    Water adequacy at the farm level its influence on input use and rice yield [microform]
  18. 18
    por Cardenas, Marlito L. 1948-
    Publicado em 1975
    Visual Material

    Efficiency of some nitrogen sources and their effects on lowland rice [microform]
  19. 19
    por Cosico, Wilfredo Cosico 1943-
    Publicado em 1975
    Visual Material

    Response of rice to different nitrogen fertilizers and times of application [microform]
  20. 20
    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]
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