旋耕灭茬是提高农机化水平和增产的重要措施朱亚环沈阳大学（１１００４４初九臻辽宁省农机局（１１０００１辽宁省有１０９万公顷旱田有待于提高机械化水平，占全省耕地面积３３％，占旱田面积３９％。这部分旱田主要分布在山区和半山区，土层薄，不宜翻耕。由于这部分旱... Rotary tillage is an important measure to improve the level of agricultural mechanization and increase production Zhu Yahuan Shenyang University (110044 Qiuxiu Agricultural Machinery Bureau of Liaoning Province (110001 Liaoning Province has 1.09 million hectares of dry land to be increased mechanization level, accounting for 33% of the province’s arable land, accounting for dry land Area of ​​39% .This part of the dry land is mainly distributed in the mountains and Mid-levels, thin soil, should not be tillage.