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一意孤行:玉米生长后期发生红蜘蛛时,往往会因为喷雾器械问题很难喷药,这样的话最好是在玉米大喇叭口期,也就是在使用背负式喷雾器能够喷洒药剂的时候,提前喷洒持效期长的噻螨酮或四螨嗪等,为了提高效果最好在药剂中兑上有机硅助剂,喷药时喷头重点对准叶片背面,手摆动,尽量让药雾均 .. (2012-09-16 07:10)
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稼圃农资经营部:捕食性螨多数是益虫? (2012-09-24 13:24)
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