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为了使棉花高产，一般采用地膜营养钵育苗，但在揭膜后，棉苗高脚，且极易染病，甚至因脱水严重而死苗，技术不易掌握。在生长发育阶段，采用重施化肥往往造成棉花疯长，再用助壮素、矮壮素等压苗，药少见效不大，药多棉花停止生长，造成药害，形成一种病态农业。为了解决...
In order to make cotton high yield, the general use of plastic nutrition bowl nursery, but after uncovering, cotton seedling tall, and highly susceptible to disease, and even death due to severe dehydration, technology is not easy to grasp. In the growth and development stage, the use of re-fertilizers often cause cotton soaring, and then help mellitus, chlorin and other pressure seedlings, medicine less effective, less drug to stop the growth of cotton, resulting in phytotoxicity, the formation of a pathological agriculture. In order to solve ...