发展丘陵旱地“矮密早”棉花大有可为３３００４６江西省经济作物局程锦“八五”以来，江西省棉花生产取得了长足发展，其中一个重要举措就是抓住“八五”初期“卖粮难”的机遇，大面积水田改种棉花，依靠科技提高单产。但是，随着粮食价格的调整，粮棉比较效益发生变化，... Since the “Eighth Five-Year Plan” period since the “Eighth Five-Year Plan” for economic crops in Jiangxi Province, cotton production in Jiangxi Province has made great strides. One of the important measures is to seize the opportunity of “selling grain difficultly” in the early period of the “Eighth Five-Year Plan” Opportunities, a large area paddy fields to cotton, rely on science and technology to improve yields. However, with the adjustment of grain prices, the comparative benefits of grain and cotton have changed, ...