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  1. 11
    Visual Material

    Growth characteristics, grain yield and quality of rice as affected by plant density and nitrogen level [microform]
  2. 12
    Visual Material

    Effects of nitrogenforms and methods of application for lowlnd rice [microform]
  3. 13
    Visual Material

    Efficiency of some nitrogen sources and their effects on lowland rice [microform]
  4. 14
    Visual Material

    Response of rice to different nitrogen fertilizers and times of application [microform]
  5. 15
    Visual Material

    Influence of nitrogen and plant spacing in the yield components of non-photoperiod sensitive rice varities [microform]
  6. 16
    od Obias, Raymundo O. 1971-
    Wydane 1975
    Visual Material

    Timing of nitrogen application on lowland rice vareities differing in growth duration [microform]
  7. 17
    Wydane 1975
    Książka

    International trial on nitrogen fertilizer efficiency in rice, 1st-.
  8. 18
    Praca dyplomowa

    Growth characteristics, grain yield and quality of rice as affected by plant density and nitrogen level
  9. 19
    Praca dyplomowa

    Influence of nitrogen and plant spacing on the yield components of non-photoperiod sensitive rice varieties
  10. 20
    od Alcasid, Godofredo N.
    Wydane 1969
    Książka

    An economic analysis of the efficiency of the nitrogen fertilizer in rice production
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