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hua long xian bao hu xing geng zuo ji shu ying yong fen xi
Pages: 77
Year: Issue:  14
Journal: Farm Machinery

Abstract: <正> 2005年,青海省化隆县开始试验、探索保护性耕作技术模式,示范面积212hm~2。通过试验,使保护性耕作技术体系得到进一步完善,为大面积推广奠定了基础。1.技术模式化隆县保护性耕作技术模式是,人工清理秸秆→药剂除草→春季免耕播种(或浅旋、免耕播种)→田间管理→秋
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