目前旱地棉花生产上存在着幼苗生长缓慢,后期徒长或早衰的现象。这种现象严重地限制了棉花的产量和质量。针对着这种现象的缺点,必须多施基肥和提早追肥.华北野旱地棉花的施肥情况,可以分成以下三类:第一类,不施肥和每亩仅施土粪1,000斤左右。第二类,每亩施用土粪1,000-2,000斤,棉仁饼30-40斤。第三类,每亩施用土粪3,000-4,000斤,棉仁 At present, there is a phenomenon that cotton seedlings in dryland have slow growth and late growth or premature aging. This phenomenon severely limits the yield and quality of cotton. In response to the shortcomings of this phenomenon, must be more base fertilizer and early dressing. Fertility in North China wild dryland cotton can be divided into the following three categories: the first category, no fertilization and only soil manure about 1,000 pounds. The second category, per mu of soil manure 1,000-2,000 pounds, cotton cake 30-40 pounds. The third category, the soil per mu fertilizer 3,000-4,000 pounds, cotton kernels