运城棉区大都是碱地,不出产烟草,过去虽然也用烟草治蚜,但价钱很贵。今年一般棉农在经济条件不足之下,更成了一个严重问题。六月八日在运专农场棉田上用20%E605粉剂做了一个小型杀蚜药效试验,效力达百分之百,比用烟草要便宜四分之三,比太原制的棉油皂也贵不太多。并且这药可以配用苦水 Most Yuncheng cotton area is alkaline, does not produce tobacco, though in the past also used tobacco cure aphids, but the price is very expensive. This year, the average cotton farmer has become a serious problem even under the unfavorable economic conditions. On June 8, a small scale aphid-killing efficacy test was conducted with 20% E605 powder on cotton fields of Yun-feng Farm. The efficacy reached 100%, which is three-quarters cheaper than tobacco and less expensive than cotton oil soap from Taiyuan many. And this medicine can be used with bitter water