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  1. 41
    Wydane w Bulletin Today (1981)
    Artykuł

    PPI assures no shortage of fertilizer
  2. 42
    Wydane w Bulletin Today (1981)
    Artykuł

    Increase fertilizer prices 18%
  3. 43
    Wydane w Bulletin Today (1981)
    Artykuł

    Fertilizer prices to stay
  4. 44
    Wydane w Bulletin Today (1981)
    Artykuł

    Press fertilizer price rollback
  5. 45
    Wydane w Bulletin Today (1981)
    Artykuł

    Use of fertilizer, pesticides bucked
  6. 46
    Wydane w Bulletin Today (1981)
    Artykuł

    Buck fertilizer price rollback
  7. 47
    od Almeda, Juanita P.
    Wydane 1981
    Książka

    Farm technology on corn, sugarcane, and palay farms (irrigated and non-irrigated) : part IV farm technology on non-irrigated palay farms
  8. 48
    Visual Material

    The uptake and translocation of phosphorus by rice (Oryza sativa L.) under soil moisture stress [microform].
  9. 49
    Visual Material

    Yield response curve of sugarcane under varying levels of nitrogen fertilization and water regimes [microform].
  10. 50
    od Almeda, Juanita P.
    Wydane 1980
    Książka

    Farm technology on corn, sugarcane and palay farms (irrigated and non-irrigated) part II farm technology on sugar cane farms
  11. 51
    od Almeda, Juanita P.
    Wydane 1980
    Książka

    Farm technology on corn, sugarcane and palay farms (irrigated and non-irrigated) part III farm technology on irrigated palay farms
  12. 52
    Visual Material

    Effects of the different tillage techniques on the efficiency of weed control and nitrogen uptake in transplanted rice [microform].
  13. 53
    Visual Material

    Spacing and fertilizer requriement of selected early maturing rice under irrigated and rainfed bunded paddy fields [microform]
  14. 54
    od Sooksathan, Kasem 1933-
    Wydane 1980
    Visual Material

    Physiological and biochemical approaches in the selection of sugarcane varieties under different fertility levels [microform]
  15. 55
    Visual Material

    Effects of organic and inorganic fertilizers on corn performance and on some soil properties [microform]
  16. 56
    od Eligio, Danilo T. 1944-
    Wydane 1980
    Visual Material

    Nutrient composition of the different parts of 'smooth cayenne' pineapple as influenced by varying levels of N and K fertilization [microform]
  17. 57
    od Bumatay, Ernesto C. 1952-
    Wydane 1980
    Visual Material

    Effects of fertilization on the growth and survival of agoho (casuarina equisetifolia Forst.) (casuarina equisetifolia Forst.) and giant ipil-ipil Hawaiian variety [Leucaena leucocephala (Lam) de Wit] seedlings outplanted in a grassland [microform].
  18. 58
    Wydane 1980
    Książka

    Standard methods of analysis for soil, plant tissue, water and fertilizer.
  19. 59
    od Vergara, Benito S.
    Wydane 1979
    Książka

    A farmer's primer on growing rice
  20. 60
    od Lawas, Nestor R. 1949-
    Wydane 1979
    Visual Material

    Supplying zinc requirements of sugarcane studies on phophorus-zinc interactions and method of zinc fertilizer applications [microform]
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