安义县历年三化螟发生特点与防治意见
JIANGXI PLANT PROTECTION(2002)
Abstract
三化螟的发生数量近年来在我县呈上升趋势,尤其水稻混栽区、双季稻地区发生数量大,为害严重.一些地方虽然花了大量劳力、农药,却收效不大,产量损失严重.其主要原因是对三化螟发生为害特点认识不足,有效防治技术尚未完全掌握,本文仅就我县三化螟发生特点及防治意见谈一点初浅看法.
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