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  1. 1
    per Domoguen, Robert L.
    Publicat a Agriculture (2008)
    Article

    Bio-N fertilizer seen to boost organic farming in Cordillera
  2. 2
    per Charles, Daniel
    Publicat 2006
    Llibre

    Between genius and genocide the tragedy of Fritz Haber, father of chemical warfare
  3. 3
    Publicat 2000
    Llibre

    Decision processes for determining diagnostic and predictive criteria for soil nutrient management workshop proceedings, 6-10 September 1999, PhilRice, Maligaya, Munoz, Nueva Ecija, Philippines
  4. 4
    per Ardieta, Lulu P. Dia
    Publicat a Agriculture (1999)
    Article

    Bio-N a powder that cuts cost of nitrogen in rice and corn
  5. 5
    Publicat 1996
    Llibre

    Progress in nitrogen cycling studies proceedings of the 8th Nitrogen Workshop, held at the University of Ghent, 5-8 September 1994
  6. 6
    Publicat 1987
    Llibre

    Efficiency of nitrogen fertilizers for rice.
  7. 7
    per Sharpley, Andrew N., Smith, S. J.
    Publicat 1987
    Analytics

    Environmental impact of agricultural nitrogen and phosphorus use
  8. 8
    Publicat 1982
    Llibre

    Preliminary report on the first international trial on nitrogen fertilizer efficiency in deepwater rice.
  9. 9
    Visual Material

    Nutrient composition and growth of pine-apple and coconut intercrops as influenced by nitrogen, phosphorus and potasium [microform].
  10. 10
    per Shah, R.N
    Publicat 1979
    Llibre

    Some considerations when estimating profitable levels of applied N for rice
  11. 11
    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]
  12. 12
    per Fagi, Achmad Mudzakkir 1940-
    Publicat 1979
    Visual Material

    Environmental factors affecting fertilizer nitrogen efficiency in flooded tropical rice [microform]
  13. 13
    Publicat 1978
    Llibre

    Preliminary report on the international trial on nitrogen fertilizer efficiency in rainfed wetland rice, 1st-.
  14. 14
    Publicat 1978
    Llibre

    Process technologies for nitrogen fertilizers
  15. 15
    per Seetanun, Wittaya 1944-
    Publicat 1977
    Visual Material

    Milling and seed qualities, and protein content of rice as affected by times of harvest and nitrogen application [microform]
  16. 16
    per Carangdang, Diosdado A. 1935-
    Publicat 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]
  17. 17
    per Alferez, Arturo Carino 1940-
    Publicat 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]
  18. 18
    per Sharma, Vishnu Prasad 1938-
    Publicat 1977
    Visual Material

    Effect of varietal type, season, and management level on the nitrogen response of Indica rice [microform]
  19. 19
    per Thasanasongchan, Akwut 1945-
    Publicat 1977
    Visual Material

    Methods, sources and time of nitrogen application for upland rice [microform]
  20. 20
    per Hombrebueno, Eduardo M. 1938-
    Publicat 1977
    Visual Material

    The influence of nitrogen-potassium ration and moisture regime on juice quality and NPK composition of Phil 56226 [microform]
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