1　提高复种指数,增加秸秆数量新洋农场过去以一年一熟为主,1990年复种指数仅11,以后复种指数逐年提高,到90年代初,不仅水稻、大豆的前茬全为麦子,一熟春棉也改为麦套棉和麦后直播。近几年麦后直播棉已占棉田的84%。各种作物单产不断提高,大大增加了秸秆数量。2　棉秸耕翻... 1 increase cropping index, increase the number of straw Xin Yang farm in the past mainly to a year, in 1990 the crop index was only 11, after the multi-crop index increased year by year, early 90s, not only rice, soybeans in the whole crop of wheat, a Cooked spring cotton is also replaced by wheat cotton and wheat broadcast live. In recent years, direct broadcast after wheat has accounted for 84% of cotton fields. The continuous improvement of various crop yields has greatly increased the amount of straw. 2 cotton straw plowing ...