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苗全、苗壮是棉籽本身质量、土壤状况、播种技术及气候条件等因素综合作用的结果。实际生产中难免出现缺苗、苗势弱,为此,我们做了一些调查和探索,对其成因进行了分析。 1 原因 1.1 棉籽的播种品质低播种品质由遗传品质、收获品质、贮存品质所构成。其中某一方面或几方面不合规范达不到种用要求。 1.1.1 田间生长,留种棉田不加区分地采取与普通大田等同的管理措施。繁种农户以频繁的大促大控作为获得高产皮棉的主要手段。1989年,盐城
Miao Quan, Miao Zhuang is the quality of cottonseed itself, soil conditions, sowing technology and climatic conditions and other factors combined results. The actual production is inevitable lack of seedlings, seedling weak, for which we have done some investigation and exploration of its causes were analyzed. 1 reasons 1.1 seeding quality of cotton seed sowing quality by the genetic quality, harvest quality, storage quality posed. One or more aspects of non-compliance can not meet the requirements of planting. 1.1.1 Field growth, cotton seedlings without distinction to take the same field of ordinary management measures. Large-scale farmers with frequent big promotion and control as the main means to obtain high-yield lint. In 1989, Yancheng