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近几年,栖霞县在大力开展综合防治地瓜茎线虫病的基础上,着重进行了药剂处理土壤防病试验。一九七一年,他们从三十多种农药中筛选出了有明显防病效果的敌百虫,通过一九七二年多点试验,证明效果良好。据两年五处试验,每亩用90％固体敌百虫5斤,兑水140斤,栽秧前十天开沟溜施,平均防病效果85.9％,每亩增产鲜瓜558斤。此药在地瓜生长中期,地瓜叶片略黄、有绉褶,后期生长正常。
In recent years, Qixia County vigorously carry out comprehensive prevention and control of sweet potato stem nematode disease on the basis of focusing on pesticide treatment soil anti-disease test. In 1971, they screened trichlorfon with obvious anti-disease effects from more than 30 kinds of pesticides. The results of multi-point tests in 1972 proved that they are effective. According to two tests in five years, 90% of solid trichlorphon per kilogram with 5 pounds, watered 140 pounds, 10 days before planting seedlings ditching facilities, the average disease prevention effect of 85.9%, 558 pounds per mu increase in fresh melon. This medicine in the mid-growth of sweet potatoes, sweet potatoes leaves slightly yellow, crepe, the late growth of normal.