近年来，由于晚霜冻的危害，冻死小麦幼稳，减少亩成趣数，群众迫切需要抗寒、防冻药剂。为此，我们从湖南省洞庭科技有限公司引进抗逆增产剂，在全省19个乡镇试验、示范，面积达4万亩。1995年，商丘县出现的晚霜冻是40年来最重的1年，2～4月上旬有5次霜冻，特别是4月3日，气温 In recent years, due to the dangers of night frost, cold stubborn wheat, young, reducing the number of acres, the people urgently need cold, antifreeze agents. To this end, we have introduced anti-stress-increasing agents from Dongting Science and Technology Co., Ltd. in Hunan Province, testing and demonstrating in 19 townships across the province with an area of ​​40,000 mu. In 1995, the nightly frost appeared in Shangqiu County was the heaviest one year in 40 years. From February to early April, there were five frosts, especially on April 3, and the temperature