１耕整地机械１ １耕整地机械的发展耕整地机械作为旱作农业机械化的前期重要工作 ,其作业质量是影响农业丰产增收的重要因素。我省耕整地的发展大致分为３个阶段 :第１阶段是５０年代末 ,我们从国外引进技术 ,批量制造了马拉双轮双铧犁 ,实现了半机械化。但由于当时的耕作方法 1 tillage machine 1 1 tillage machine development Tillage machine as dry farming mechanization of the important work of the early, its operation quality is an important factor affecting the agricultural yield and increase. The development of farming land in our province can be roughly divided into three stages: the first stage is the late 1950s, we introduced technology from abroad, mass-produced horse double wheel dual-plow, to achieve a semi-mechanized. However, due to the method of farming at the time