水平梯田近年来在黄河中游水土流失地区有较大发展,如何实现其高产稳产,对水土保持工作的开展和山区农业发展都有重要意义。被称作西山大寨的山西省临县孙家沟大队,在这方面有较多的经验。这个大队山地占97.7%,他们从1957年开始修建水平梯 In recent years, horizontal terraces have made great progress in soil erosion areas in the middle reaches of the Yellow River. How to achieve their high and stable yields is of great significance to the development of soil and water conservation and the development of agriculture in mountainous areas. Known as Xishan Dazhai County, Shanxi Province, Sunjiagou Brigade, in this area have more experience. The brigade hills account for 97.7% of the total. They built horizontal ladders from 1957 onwards