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金衡地区开发黄土丘陵种植棉花,是省府提出“稳东扩西”发展我省棉花生产的重大决策。针对黄土丘陵土壤酸,瘦、粘、旱的特点,必须做好以科学施肥和综合防治病虫鼠草为中心的田间管理工作。一、按照生育要求,合理科学施肥施肥总原则是:以有机肥和无机肥相结合,重施氮肥和钾肥,配施磷肥和微肥。按优质高产的要求,亩施尿素30公斤左
The development of loess hilly cotton fields in Jinheng County is a major policy decision made by the provincial government to develop the province’s “stable east and west” cotton production. According to the characteristics of acid, lean, sticky and dry soil of loess hilly soil, field management must be well done with scientific fertilization and integrated control of pest and weeds. First, in accordance with the requirements of fertility, scientific and rational fertilization fertilization general principle is: the combination of organic and inorganic fertilizers, re-applied nitrogen and potassium fertilizer, with phosphate fertilizer and fertilizer. According to the requirements of high quality and high yield, 30 kg of urea is applied to the left