1950年5月下旬,本所棉作系北圃场繁殖地普遍发生棉蚜,棉叶大部卷曲,生长情形极差。棉作系同志找到我们几个人想办法,为了救急,想到 E605粉剂的实地防除效力为何还没有试过,正好利用这机会试一下。于是在六月一日上午发动在此实习的某兵 In late May 1950, cotton aphids were most commonly found in the breeding area of ​​the North Pyeongbuk during cotton exchange in this Institute. Most of the cotton leaves curled and their growth was very poor. Several of us at Cotton Comrades found ways to find a solution. For the sake of emergency, we came to this opportunity to try out why we had not tried the effectiveness of the E605 powder in the field. So on the morning of June 1, he started a certain soldier in this internship