每年8—9月间,棉花已开始成熟。预先估计一下棉花的产量,对于各方面都有需要。下面主要根据1958年山东省棉花技术傅授会讲义中所讲的一个方法,简单的加以介绍;以供参考。适当的估产时期,应根据棉花生育和气候情况来确定。一般以开始吐絮时为最好,这时棉铃已基本坐定,测定结果与最后成铃数出入不至于过大。 Between August and September each year, cotton has begun to mature. Estimating the yield of cotton in advance requires all aspects. The following is mainly based on the 1958 Shandong Province Cotton Technology Professor Fu lectures talked about a way to simply introduce; for reference. Appropriate production period, should be based on cotton growth and climate conditions to determine. In general, it is best to start bolting when cotton bolls have been seated basically, and the result of measurement and the number of the last bolls will not be too large.