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  1. 61
    Visual Material

    Effects of fertilization, row spacing and weed control on the yield of upland rice [microform]
  2. 62
    af Almeda, Juanita P.
    Udgivet 1979
    Bog

    Farm technology on corn, sugarcane and palay farms (irrigated and non-irrigated) part I farm technology on corn farms
  3. 63
    Visual Material

    Response of flooded and non-flooded rice to ipil-ipil (Leucaena leucocephala (Lam) De Witt) leaves fertilization [microform]
  4. 64
    Visual Material

    Environmental factors affecting fertilizer nitrogen efficiency in flooded tropical rice [microform]
  5. 65
    af Jones, Ulysses S.
    Udgivet 1979
    Bog

    Fertilizers and soil fertility
  6. 66
    af Vergara, B. S.
    Udgivet 1979
    Bog

    A farmer's primer on growing rice
  7. 67
    af Vergara, Benito S.
    Udgivet 1979
    Bog

    A farmer's primer on growing rice.
  8. 68
    af Sompop Manarungsan
    Udgivet 1978
    Bog

    The history of fertilizer policies in Thailand an economic study, 1960-1975.
  9. 69
    Udgivet 1978
    Bog

    Preliminary report on the international trial on nitrogen fertilizer efficiency in rainfed wetland rice, 1st-.
  10. 70
    af Sutedjo, Tedjomantri 1935
    Udgivet 1978
    Visual Material

    The effect of organic and inorganic fertilizer and organic manure on the yield and yield components of soybeans [microform]
  11. 71
    af Kim, Choonsan
    Udgivet 1977
    Bog

    The history of fertilizer policies in Korea an economic study 1950-1975.
  12. 72
    af Choksi, Armeane M.
    Udgivet 1977
    Bog

    A planning study of the fertilizer sector in Egypt
  13. 73
    af Gloria, Ricardo Tumanda
    Udgivet 1977
    Visual Material

    Response of peanut cultivar CES 101 to calcium, nitrogen and plant population density [microform]
  14. 74
    af Attanandana, Tasnee 1944-
    Udgivet 1977
    Visual Material

    Amelioration of an acid sulfate soil [microform]
  15. 75
    Visual Material

    Studies on sulfur nutrition of rice plant [microform]
  16. 76
    Visual Material

    Hydrolysis of urea and performance of some slow release urea fertilizers in flooded rice [microform]
  17. 77
    af Pratuang, Krootha 1944-
    Udgivet 1977
    Visual Material

    Effect of PH on the growth of rhizobia and nitrogen fixation in some rhizobium-legume associations [microform]
  18. 78
    af Seetanun, Wittaya 1944-
    Udgivet 1977
    Visual Material

    Milling and seed qualities, and protein content of rice as affected by times of harvest and nitrogen application [microform]
  19. 79
    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]
  20. 80
    af Duangputra, Piya 1939-
    Udgivet 1977
    Visual Material

    Sources and rates od fertilizer phosphorus for flooded rice in Buenavista clay [microform]
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