1978年,金星公社网户大队有559亩棉田,全是大垄双行,种的“黑山棉1号”,苗期长势很好。6月15日棉花长出5～6片真叶时,遭受严重雹灾,冰雹和暴雨降了20分钟,地面积雹一寸多厚,棉苗棵棵受伤。灾前,全大队棉田平均亩保11,500株。灾后 In 1978, there were 559 mu of cotton fields in the net unit of Venus Commune, all with big ridge and double rows of “Heishan Mian 1” growing well at seedling stage. June 15 Cotton grow 5 to 6 true leaves, suffered a severe hail, hail and torrential rain dropped 20 minutes, the ground hail an inch thick, cotton seedling injured. Before the disaster, the entire brigade cotton fields an average of 11,500 acres of mu. After the disaster