免耕法,也叫少耕法或留槎播种法,是美国近二十年来在干旱区和丘陵地带为防止水分蒸发和水土流失而采取的一种耕作方法。它的特点是:作物收割后不翻耕,在留槎地上用特制的免耕播种机直接播种下一茬作物。免耕法主要用来在大麦、小麦或牧草 Zero-tillage, also known as tillage or tillage, is a farming practice adopted by the United States over the past two decades in arid and hilly terrain to prevent water evaporation and soil erosion. It is characterized by not plowing the crop after harvesting and sowing the next crop directly with a special no-till planter on the left bank. No-till is mainly used on barley, wheat or pasture