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玉溪地区农科所陈永齐等1989—1992年研究表明,覆盖平膜秧田土壤含水量为25％—30％时水稻出苗正常,以25％最宜;超过35％或低于20％,其出苗率和秧苗素质都
Yuxi Prefecture Agricultural Science Institute Yong et al. 1989-1992 Studies have shown that paddy field covered with flat membrane seedling 25% -30% normal seedlings to 25% optimum; more than 35% or less than 20% of its emergence rate And seedlings are quality