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经过4年多的调查研究,制定了我国华北、西南、长江中游、江苏水旱轮作和浙江三熟制种植区的6篇秸秆还田技术规程。对秸秆还田的适宜方式、时间、数量、施氨量,粉碎程度,翻压深度,土镶水分,和防治病虫害等作出了具体规定。指出养分效应,改土效应和改善农田生态环境效应是秸秆还田增产的作用机理
After more than 4 years of investigation and study, we formulated 6 straw technical regulations for returning straw to fields in North China, Southwest China, the middle reaches of the Yangtze River, the irrigated rice fields in Jiangsu Province and the three-cropping system in Zhejiang Province. The straw straw to the appropriate way, time, quantity, amount of ammonia, crushing degree, turn over depth, earth setting moisture, and pests and diseases made specific provisions. It is pointed out that nutrient effect, soil remediation effect and ecological environment effect of farmland are the action mechanism of returning straw to field