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  1. 1
    por Domoguen, Robert L.
    Publicado no Agriculture (2008)
    Atigo

    Bio-N fertilizer seen to boost organic farming in Cordillera
  2. 2
    por Charles, Daniel
    Publicado em 2006
    Livro

    Between genius and genocide the tragedy of Fritz Haber, father of chemical warfare
  3. 3
    Publicado em 2000
    Livro

    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
    por Ardieta, Lulu P. Dia
    Publicado no Agriculture (1999)
    Atigo

    Bio-N a powder that cuts cost of nitrogen in rice and corn
  5. 5
    Publicado em 1996
    Livro

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

    Efficiency of nitrogen fertilizers for rice.
  7. 7
    por Sharpley, Andrew N., Smith, S. J.
    Publicado em 1987
    Analytics

    Environmental impact of agricultural nitrogen and phosphorus use
  8. 8
    Publicado em 1982
    Livro

    Preliminary report on the first international trial on nitrogen fertilizer efficiency in deepwater rice.
  9. 9
    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].
  10. 10
    por Shah, R.N
    Publicado em 1979
    Livro

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

    Environmental factors affecting fertilizer nitrogen efficiency in flooded tropical rice [microform]
  13. 13
    Publicado em 1978
    Livro

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

    Process technologies for nitrogen fertilizers
  15. 15
    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]
  16. 16
    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]
  17. 17
    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]
  18. 18
    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]
  19. 19
    por Thasanasongchan, Akwut 1945-
    Publicado em 1977
    Visual Material

    Methods, sources and time of nitrogen application for upland rice [microform]
  20. 20
    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]
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