稻田地力及其他作物生產技術改進與永續農業之研究
張學琨論文集 第二集
Studies on the inprovement of soil fertility of rice and other crops production technology in relation to sustaibable agriculture
台灣省桃園區農業改良場編印 中華民國八十七年元月
稻田地力及其他作物生產技術改進與永續農業之研究
張學琨論文集 第二集
Studies on the inprovement of soil fertility of rice and other crops production technology in relation to sustaibable agriculture
台灣省桃園區農業改良場編印 中華民國八十七年元月
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