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近年来,我国由于棉田面积迅速扩大,栽培技术水平不断提高,主攻单产取得了显著成效,棉花产量增长迅速,不仅改变了依靠外棉进口的局面,而且出现了全国性的供过于求现象。当前,棉花生产上的一个重要问题是不少单位只重视产量,忽视了质量,棉花品质较差,甚至有下降趋势,如纤维长度不够,成熟度差,强力小,马克隆值低,不能满足高档纺织品的要求,从而影响了原棉的内销和出口。1884年度全疆129级(一级,纤维长度29毫米)棉花只占31.18％,兵团的比重虽然高一些,但与要求仍然相距很大,如兵团农八师1985年度一级花仅占38％,完成出口任务53.6％。造成棉花品质提不高和下降的主要原因,一是品种混杂退化严重;二是生产条件差,栽培管理粗放;三是植物保护工作失误,病虫为害严重;四是棉
In recent years, due to the rapid expansion of the area of cotton fields and the continuous improvement of the cultivation techniques, China has made remarkable achievements in its main production and its output has been growing rapidly. This has not only changed the situation of relying on the import of foreign cotton, but also caused a nationwide oversupply. At present, an important issue in cotton production is that many units only pay attention to output, neglect quality, poor quality cotton, and even have declining trends. For example, the fiber length is not enough, the maturity is poor, the strength is small, and the micronaire value is low, which can not be satisfied High-grade textile requirements, thus affecting the domestic cotton and export. In 1884, there were only 129.1% of Xinjiang’s 129 (first-class, 29-mm-long fibers) cotton, although the proportion of the Corps was higher, but the requirements were still far apart. For example, , Completing 53.6% of export missions. The main reasons causing the cotton quality to rise and fall are: first, the varieties are mixed and seriously deteriorated; second, the production conditions are poor and the cultivation and management are extensive; third, the plant protection work is wrong and the pests and diseases are seriously devastated; fourth, cotton