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  1. 1
    door Margate, Rogaciano Zamoras 1944-
    Gepubliceerd in 1980
    Visual Material

    Nutrient composition and growth of pine-apple and coconut intercrops as influenced by nitrogen, phosphorus and potasium [microform].
  2. 2
    door De la Cruz, Loretto V. Uri 1946-
    Gepubliceerd in 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
    door Fagi, Achmad Mudzakkir 1940-
    Gepubliceerd in 1979
    Visual Material

    Environmental factors affecting fertilizer nitrogen efficiency in flooded tropical rice [microform]
  4. 4
    door Seetanun, Wittaya 1944-
    Gepubliceerd in 1977
    Visual Material

    Milling and seed qualities, and protein content of rice as affected by times of harvest and nitrogen application [microform]
  5. 5
    door Carangdang, Diosdado A. 1935-
    Gepubliceerd in 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
    door Alferez, Arturo Carino 1940-
    Gepubliceerd in 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
    door Sharma, Vishnu Prasad 1938-
    Gepubliceerd in 1977
    Visual Material

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

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

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

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

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

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

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

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

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

    Effects of nitrogenforms and methods of application for lowlnd rice [microform]
  17. 17
    door Obedoza, Romeo Bautista 1940-
    Gepubliceerd in 1977
    Visual Material

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

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

    Response of rice to different nitrogen fertilizers and times of application [microform]
  20. 20
    door Mariano, Bernardo Santiago 1940-
    Gepubliceerd in 1975
    Visual Material

    Influence of nitrogen and plant spacing in the yield components of non-photoperiod sensitive rice varities [microform]
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