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  1. 1

    The effect of different rates of nitrogen application on the yield and protein content of Taichung 31 wheat variety [microform] by Apasiripol, Pitaks 1942-

    Published 1974
    Visual Material

    The effect of different rates of nitrogen application on the yield and protein content of Taichung 31 wheat variety [microform]
  2. 2

    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 le... by Carangdang, Diosdado A. 1935-

    Published 1967
    Thesis

    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

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