在低温、高湿、覆土较厚的情况下 ,硫酸脱绒棉种比毛子出苗慢且烂子烂芽翻根多 ,造成棉农对硫酸脱绒棉种质量的不信任 ,影响新技术的推广和应用。本文对苗床烂子烂芽和翻根发生的原因进行了剖析 ,提出科学育苗 ,避免苗床烂子烂芽和翻根发生的方法 ,为新技术的推广应用提供科学? Under the conditions of low temperature, high humidity and overburden soil, the velvet shedding of Sulfuric acid is more slowly than the sprouting of Tamarix ramosissima and the rotten rotten buds turn over more, causing the cotton farmer to distrust the quality of the shedding cotton sulfate and affecting the popularization of new technology application. In this paper, we analyzed the causes of rotten buds and inverted roots of seedlings, proposed the methods of scientific seedling, avoiding rotten buds and rotting roots in seedbed, and provided scientific methods for the popularization and application of new techniques.