美国推广免耕种植法在美国，新的耕作方式加速了犁的消亡。据了解，在美国中西部的一些土地上，看不到有经过耕耘的明显迹象的黑油油的土壤。一垄垄庄稼间都是上一年农作物的枯萎的秸秆，人们历来把这些秸秆当作垃圾。在美国的一场排作革命中，几百年来一直使用的播种前先... US promotes tillage cultivation method In the United States, the new farming method has accelerated the demise of the plow. It is understood that on some lands in the Midwestern United States, there is no visible dark-soiled soil with marked signs of hard work. A crop of ridges and ridge crops are withered stalks of the previous year’s crops, which people have traditionally regarded as waste. In a row in the United States revolution, which has been used for centuries before sowing ...