防旱剂东北师范大学玉米淀粉深加工研究开发中心于１９９６年承担了用改性玉米淀粉制取农林作物防旱剂的吉林省科委项目，１９９６年底完成了实验室的试验，防旱剂的吸水率已达到自身重量的一千倍以上。１９９７年春，在吉林省西部干旱和半干旱地区农安县和洮南市分别进行... Drought-resistant agent Northeast Agricultural University, corn starch deep processing research and development center in 1996 with modified corn starch preparation of agricultural and forestry crops drought control agent of Jilin Province Science and Technology Commission project by the end of 1996 completed a laboratory test, drought-resistant agent’s water Rate has reached more than a thousand times its own weight. Spring of 1997, respectively, in Nong’an County and Taonan City in the arid and semi-arid areas of western Jilin Province.