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Research And Practice Of Conservation Tillage In Black Soil Region Of Northeast China, Man Ao, Xudong Zhang, Yixin Guan
Research And Practice Of Conservation Tillage In Black Soil Region Of Northeast China, Man Ao, Xudong Zhang, Yixin Guan
Bulletin of Chinese Academy of Sciences (Chinese Version)
Compared with soil degradation of black soil of other areas in the world, which caused by conventional tillage regarding as ploughed with residue return, soil degradation in Northeast China caused by rotary-till and residue remove or burning is more serious. Conservation tillage with residue cover and no or reduced tillage is one of the most important techniques for the protection and utilization of black soil. This paper briefly presents the derivation and definition of conservation tillage, and its main techniques in the world, as well as the issue of application and extension in China. Over the past 15 years, the …