随着农业机械化的不断发展，在农村经济较发达的地区，水稻的机械化收割面积越来越大。水稻机割大大提高了劳动生产率，降低了农民的劳动强度，但也带来了一些不良后果，较明显的是由于机割大多遗留稻桩较高，同时稻草还田未经适当处理，给多种水稻病虫害创造了良好的传播和越 With the continuous development of mechanization of agriculture, mechanized harvesting of rice has become larger and larger in areas with more developed rural economy. Rice cutting has greatly increased labor productivity and reduced the labor intensity of peasants, but also brought some adverse consequences. The obvious reason is that most of the mills left behind rice piles at a relatively high level while straw was returned to the fields without appropriate treatment Rice pests and diseases have created a good spread and more