近几年来,延安地区棉花生产形势大有好转。从调查访问中我们感到,陕北棉区存在着无霜期短、平均气温低以及植棉技术发展较慢等不利因素,但更要看到那里的有利因素:一是土地宽广,增产潜力大。当前大部棉田上塬上山可以避免川水地粮、棉争地,有利于提高川水地粮食作物复种指教,大幅度 In recent years, the cotton production situation in Yan’an has greatly improved. We feel from the survey and interview that there are unfavorable factors such as short frost-free period, low average temperature and slow development of cotton-growing technology in the cotton area of ​​northern Shaanxi. However, we should also see the favorable factors there: firstly, the land is broad and the yield potential is large. At present, most of the upper reaches of the upper reaches of the cotton fields can avoid the water and grain and cotton to compete with each other, which helps improve the suggestion of multiple cropping of food crops in the Chuan Shui area.