近年来,长江流域两熟棉区,多采用育苗移栽法。北方春季干旱多风,大多采用地膜栽培法。 合理的密度:早熟品种宜密,晚熟品种宜稀。长江流域及以南的棉区,一般都采取每667米~2(1亩)2000～3000棵的较低密度。干旱和无霜期短的早熟棉区,则适于7千、8千到1万棵的高密度。黄河流域棉区一般种植中熟棉品种,棉田密度都在每667米~23000～6000株的范围。高产棉田,密度一般为每667米~23000～4000株左右。行距:可在70～90厘米的范围。株距:则依据密度 In recent years, two cotton fields in the Yangtze River Basin, more use of transplanting seedlings. Arid and windy northern spring, mostly using film cultivation method. Reasonable density: precocious varieties should be close, late-maturing varieties should be thin. The Yangtze River and south of the cotton area, generally take every 667 meters ~ 2 (1 acre) 2000 ~ 3000 lower density. Drought and frost-free precocious cotton area, then suitable for 7 thousand, 8 thousand to 10,000 high density. Cotton fields in the Yellow River are generally planted in mature cotton varieties, cotton density in every 667 meters ~ 23000 ~ 6000 range. High-yielding cotton fields, the density is generally 667 meters per 23000 ~ 4000 or so. Row spacing: in the 70 to 90 cm range. Plant spacing: based on density