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Study on grassland tillage

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  2021 ASABE Annual International Virtual Meeting  2100405.(doi:10.13031/aim.202100405)
Authors:   Xuening Zhang, Yong You, Decheng Wang
Keywords:   Degraded grassland, Grassland tillage, Soil-root complex

Abstract. China is rich in grassland resources, with nearly 400 million hm2 of various natural grasslands. The rhizome grasses represented by Leymus chinensis have developed roots, which are easy to form complex structures with soil, leading to soil compaction, reducing soil permeability, and gradually degrading the grassland. Grassland tillage cannot cause excessive disturbance to grassland vegetation and soil, and excessive destruction is easy to form grassland erosion. Grassland farming is similar to less tillage in conservation tillage, i.e. reducing unnecessary tillage areas to reduce damage to soil structures and reduce production costs.

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