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  1. 1
    出版 1971
    圖書

    Introduction and effects of high-yielding varieties of rice in the Philippines.
  2. 2
    出版 1966
    圖書

    Statistics of crop responses to fertilizers.
  3. 3
    由 Sanderson, Fred Hugon 1914
    出版 1954
    圖書

    Methods of crop forecasting.
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