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苏州市棉区在70年代已大面积推广棉花薄膜育苗,但在技术上走过一段弯路。当时普遍发生的问题是,高脚苗和高温烧苗,因此棉花出苗后,着重蹲苗。白天以揭膜为主,结果棉苗弱小,红茎到顶,栽后不发,没有充分发挥薄膜增温促早发的作用。对
Cotton area in Suzhou City in the 1970s has been the promotion of cotton film nursery area, but technically gone through some detours. The prevalence of the problem was that high seedlings and high temperature burning seedlings, so after cotton emergence, focusing on Dunmiao. Uncovering the main film during the day, the results of cotton seedlings weak, red stem to the top, not after planting, did not give full play to the role of early warming film. Correct