一.jiaqiangshuifeiguanli。muqian,lishuyijinruguoshipengdaqihehuayafenhuaqi,xuyaoyouzugoudeyingyanggonggei。maishouqianhou,jiangshuipianshao,qiwengao,tianqiganhan,yanzhongyingxiangshutishuifengongying。cishi,yaojishijiaqiangshuifeiguanli。yiyaojishizhuishiliusuanjiaxinggaodan、中磷、高鉀三元素複合肥,追施後適量澆水,嚴防大水漫灌,以免造成漚根。二要葉麵噴灑速效、流失少、吸收快的硝酸鉀複合肥,磷酸二氫鉀和永業生命素,促進葉大、葉厚、葉綠、葉亮,減少梨樹落葉。
二.控製有機磷農藥的使用量。有機磷農藥對梨樹葉片有刺激作用,特別是使用濃度過高、shiyongcishuguoduohepensashijianzaigaowenqi,douhuizaochenglishudaliangluoye。yinci,yaoyangekongzhiyoujilinnongyaodeshiyongcishuheshiyongnongdu,nengshiyongqitanongyaodaitide,zuihaohuanchengshengwunongyaohuojuzhinongyao,bixushiyongshi,yaozhuyishiyongnongdu,penyaoshijianyaozaishangwu10點以前,下午4點以後,避開中午高溫時段。
三.噴施波爾多液。果實膨大期噴施波爾多液防治病害,即可防止雨水衝刷,又為梨樹葉子補充了銅、鈣元素,使梨樹生長旺盛,葉片濃綠黑厚,減少了早期落葉。
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