红苕采用塑料薄膜育秧,省投资、省劳力,“不违农时”,能抓住有利天气进行栽插,夺取高产。近几年来我县推广塑料薄膜育红苕秧,取得了良好效果。特别是高寒地区解决了到平坝买红苕秧的被动局面。据试验,不用牛粪加薄膜比用牛粪加薄膜虽迟出苗十天左右,却多出苗一倍以上,且黑斑病显著减少。现将经验介绍如下: Hongjian plastic film seedlings, provincial investment, labor-saving, “not contrary to agriculture,” can seize the favorable weather for planting, to seize the high yield. In recent years, our county popularized the plastic film red yang seedlings, and achieved good results. Especially in the alpine region to Pingba to buy red seedling seedlings passive situation. According to the test, no dung plus film than dung plus film although late emergence about ten days, but more than twice the emergence, and significantly reduce the black spot. The experience is introduced as follows: