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编辑同志: 我们单位今年种的西瓜,由于加强了管理,出苗齐全。但出苗20天之后,出现了大量死亡现象,虽经两次补种,但还缺苗30％左右,广大干群为此十分着急,反复查找瓜苗死亡的原因,结果在已经死亡的瓜苗根部都发现有几条约半厘米长、白色,类似蛆状的小虫。我们向植保组的同志请教,所发生虫害的原因,他们从多方面分析,认为可能是施厩肥不当的缘故。原来这块瓜地今春施的底肥,是从羊圈、猪圈、马厩内刚积的“生”粪就运到地里。
Edit comrades: Our unit of this year’s watermelon, due to strengthen management, emergence of complete. However, after 20 days of emergence, a large number of deaths occurred. Although twice the replanting, but still lack about 30% of the seedlings, the majority of cadres are anxious for this and repeatedly find out the cause of death of melon seedlings, the result in the dead melon seedlings Found in the roots are several about half a centimeter long, white, maggot-like bug. We consulted the comrades of the Plant Protection Group about the causes of pests and they analyzed from many aspects that they may be improper manure management. The original base of this melon spring application of fertilizer, from the sheep, pigsty, stables just plot the “raw” dung shipped to the ground.