稻瘟病的化学防治方法,国內外都以喷撒有机汞剂(賽力散、西力生等)为主。1959年湖北提出用石膏防治稻瘟病有效的报道后,我区的吳忠、青铜峽、中卫、永宁等县也开始试用石膏防治稻瘟病。由于各地对防治效果还有爭论,因此我们于1962～1963 The chemical control methods of rice blast, both at home and abroad to spray organic mercury agent (Sai ​​Li San, West Lixin, etc.) based. In 1959, Hubei Province proposed the use of gypsum to control rice blast effectively reported that my area Wuzhong, Qingtongxia, Zhongwei, Yongning and other counties have also begun to test the prevention and control of gypsum blast. Because of the controversy over the effect of prevention and control in various places, we were in 1962 ~ 1963