我县植棉11.5万亩,占总耕地面积的23.8%,为一年一熟或棉麦套种区。常年皮棉产量在百斤左右。在枯霜到来时,往往有20%的棉铃来不及吐絮。尤其麦茬棉、盐碱地及春播晚发棉田,霜后花占的比例更大。霜后花不仅产量低而且品质差,经济收入小。同时,棉花晚收又直接影响下茬小麦播种和油菜移栽。1979年我县有九个公社一百多个大队, I County, 11.5 million mu of cotton, accounting for 23.8% of the total area of ​​cultivated land, a quarter of a year or cotton and wheat interplanting area. Perennial lint yield about hundred pounds. In the dry frost comes, there are often 20% of the bollworm no time to spit floc. In particular, wheat stubble, saline and cotton fields late spring hair, flowers account for a greater proportion of the cream. After the frost is not only low yield and poor quality, small economic income. At the same time, the late harvest of cotton also directly affects the sowing and rape transplanting of the next crop. In 1979, there were more than 100 brigades in nine communes in our county,