烂秧除了种子的内部原因以外，更主要的有许多人为操作原因。为此，人们在早稻种子播种时特别要做到以下“四忌：1．忌关深水“干长根，湿长芽”。如果播种后长时间关深水，种苗扎根缓慢、缺氧，致使烂芽，不扎根。2．忌拨水粪、未腐熟的有机肥有许多活的病菌，若一旦遇到低温 Rotten seed in addition to the seeds of the internal reasons, the more important are many reasons for the operation. To this end, people in the early rice seed sowing in particular to achieve the following “four bogey: 1. bogey pass off the deep water,” long roots, wet sprout. "If sowing for a long time off deep water, seedlings take root slowly, hypoxia, resulting in Rotten buds, do not take root .2. Avoid dial water manure, not rotten organic fertilizer has many live bacteria, if in the event of low temperature