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nong tian geng zuo zhi du de fa zhan yan jiu
Author(s): 
Pages: 44-45,49
Year: Issue:  6
Journal: JOURNAL OF AGRICULTURAL MECHANIZATION RESEARCH

Keyword:  农艺学耕作制度综述保护性耕作;
Abstract: 当今世界各国的耕作制度大体经历以下的变革历程:从不耕作到刀耕火种;从刀耕火种到人畜力耕作;从传统的人畜力耕作到传统的机械化耕作;目前,各国又在将传统的机械化耕作发展为保护性耕作.为此,通过耕作制度的变革历程,分析了保护性耕作的原理及发展,重点阐述了保护性耕作这一抗旱、节水、保持水土的耕作技术在我国的研究、发展及应用前景.
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