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Notable effects on comprehensive techniques of man-made biosphere in rice fields

Notable effects on comprehensive techniques of man-made biosphere in rice fields
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摘要 Studied by Mr. LIU Zhongzhu, ex Chairman of Fujian Academy of Agri Sciences, a combined technique of man—made biosphere in rice fields deserves notice. The research indicated that using man—made biosphere in rice fields can enrich soil, reduce the infects of diseases, insects and weeds, economize the use of pesticide and herbicide, decrease green house effect, and improve atmosphere. As tested, the yield for rice is usually 10500—12000 kg/ha, for fish is usually 2250—3250 kg/ha. Again, about 50%—60% fertilizer and 30%—50% pesticide can be saved. The net income increased $ 1,080—1,800 per ha.
出处 《Chinese Rice Research Newsletter》 1996年第4期12-12,共1页 中国水稻研究通报(英文版)
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