坡地变梯田实施机械化１９９０年柳林县锄沟村利用村办煤矿的盈利，用于投资推土造田，组织２０多台推土机，以山系为单元，坚持常年作业，削平了旗杆梁的２个山头，填平了狼焉渠，建造了高标准的机修梯田、人造平垣和大面积沟台地。５年来共新修８０公顷机修田，其中在４... Slope terraced fields to implement mechanization In 1990, Liulin County, hoe ditch village village coal mine profits, used to invest in bulldozing fields, organized more than 20 bulldozers, mountain units as a unit, adhere to the perennial operations, flattened the flagpole 2 hills , Fill the wolf Yan canal, built a high standard of mechanical terraces, artificial flat wall and a large area ditch. Over the past five years to repair 80 hectares of machine repair fields, of which 4 ...