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在棉花生产中合理经济地使用磷酸二铵的技术资料还很鲜见。磷酸二铵含磷高,含氮低,不宜单施。为提高磷酸二铵的利用效率,我们采取边试验,边推广的方法,在项目区内安排了施用量、施用期和施用方法试
Technical data on the rational and economical use of diammonium phosphate in cotton production are still rare. Diammonium phosphate high, low nitrogen, should not be applied. In order to improve the utilization efficiency of diammonium phosphate, we take the side of the test, while promoting the method, the project area arranged for the amount of application, application period and method of application