洮南市位于吉林省西北部,属于干旱和半干旱地区,大部分耕地以井灌为主。由于气候干燥土壤湿度小,往往在使用除草剂时,使用量偏大,加之后期大水漫灌或是下大雨就会造成 Taonan City is located in the northwest of Jilin Province, belonging to arid and semi-arid areas, most of which is well-irrigated. Due to the dry climate of small soil moisture, often in the use of herbicides, the use of large amount, combined with flood or flood under heavy water will result