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沙蚕毒类药剂对稻螟防效高，但对蚕桑毒性大，本文研究了桑稻区稻田治螟的有效药种，适用方法和桑稻田空间有效隔距。
Nereis and its toxicity to rice borer is high, but its toxicity to silkworm is high. This paper studied the effective medicine, application method and effective space of rice in rice field.