问:如何提高棉花出苗率? 答:提高出苗率是一项综合性措施,除制好钵、盖好膜以外,还应特别强调以下三点:①输选种子。据测定,一般黑色健籽比黄色半成熟籽出苗率要高20％左右,脱绒包衣精棉籽比毛棉籽出苗率要高10％～20％,而且防病保苗效果好。因此,应大力提倡使用脱线包衣精棉 Q: How to improve the emergence rate of cotton? A: raising the emergence rate is a comprehensive measure, in addition to making good bowls, covered with film, it should be particularly emphasized the following three points: ① lose seed selection. It is determined that the average black seed than yellow semi-mature seed germination rate is about 20% higher, plush coated cotton seed cotton seed germination rate is higher than 10% to 20%, and disease prevention and seedling effect. Therefore, should strongly advocate the use of fine cotton off-line coating