免耕法又叫留茬耕作法、保护耕作法或最少耕作法。它具有省劳力、降低成本,利于抢节令、适时播种,减少养分和水土流失、减轻土壤结构破坏等优点,被欧美各国广泛应用。我国目前有的地方已经采用。由于全面整地建设人工草场花工多、成本大,往往延误播种节令,影响牧草的生长。近年来,笔者在云南省双柏县探索降低草山建设成本、增加效益的途径。采用上述免耕法,取得了满意的效果。凡土壤不甚板结的二荒地、轮歇地、退 Tillage is also called stubble farming, conservation tillage or minimum farming practices. It has the advantages of saving labor, reducing costs, facilitating grabbing orders, sowing timely, reducing nutrient and soil erosion, and reducing soil structure damage. It is widely used in various countries in Europe and the United States. Some places in our country have been adopted at present. Due to the comprehensive preparation of artificial grassland land preparation and more land, the cost is large, often delay planting season, affecting the growth of forage. In recent years, the author of Shuangbai County in Yunnan Province to explore ways to reduce the cost of grass hill construction and increase efficiency. With the above no-tillage method, satisfactory results have been obtained. Where the soil is not compacted two wasteland, turn intermittently, retreat