安庆市位于安徽省西南部,长江北岸,常年植棉面积5.5万公顷。是安徽重要的优质棉基地,棉田多熟制配套栽培技术研究和推广起步较早。80年代后期,在油(麦)棉两熟的基础上,开始大面积间套种一季生育期短的豆科作物,90年代以后,大规模发展讲求产出效益的高效棉田多熟制。1990～1999? Anqing City is located in the southwest of Anhui Province, the north bank of the Yangtze River, perennial cotton area of ​​55,000 hectares. Anhui is an important high-quality cotton base, cotton cultivation system of multi-cooked cultivation technology research and promotion started earlier. In the late 1980s, based on the double ripening of oil (wheat) cotton, large-area interplanting of leguminous crops with short growing period was started. After the 1990s, large-scale production of multi-cropping cotton with high yield and efficiency was emphasized. 1990 ~ 1999?