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1997年春季，由于气候条件等因素的影响，我们种植了两个品种的20余亩棉花试验田，平均出苗率只有70％，缺苗断垄十分严重，为此，我们采取了三种补救措施，取得了较好的效果。现将具体措施介绍如下：一、点播补种法：就是在缺苗或断垄的地方进行膜上人工点播，每穴放3－5粒种
In the spring of 1997, due to the influence of climatic conditions and other factors, we planted more than 20 acres of cotton fields in two varieties with an average germination rate of only 70% Achieved good results. Specific measures will now be introduced as follows: First, on-demand replanting: that is, in the absence of seedlings or broken ridge on-film artificial on-demand, put 3-5 seeds per hole