每到秋收,东北漫山遍野的玉米金光灿灿。粮食丰收的喜悦过后,却是令人犯愁的秸秆。尽管早有研究证明,秸秆还田能够提升土壤有机质,增加地力,但不少东北农民仍深信世代相传的耕作传统:只有精耕细作,把秸秆清除干净,来年玉米出苗、生长才有好基础。一边是不断退化的黑土地,一边是露天焚烧的秸秆。如何 Every autumn harvest, the northeast of the mountains of golden cornucopia. After the joy of food harvest, but it is sad straw. Although studies have long proved that straw returning to soil can increase soil organic matter and increase fertility, many farmers in Northeast China still believe in the traditional farming traditions handed down from generation to generation. Only when intensive cultivation is done, the straw is removed and the corn plants grow well in the coming year. On the one hand, it is a continuously degraded black land, while on the other hand it is an open burning straw. how is it