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黄瓜黑斑病症状及防治方法

发布日期: 2019-07-16 03:07

huangguashiyizhongnongcunbijiaoputongdeshucaipinzhong,danshizaizhongzhiguochengzhong,henrongyifashengduozhongbinghai,zaochenghuangguajianchan,yepianbianhuangdexianxianglvjianbuxian,yinqilenongminpengyoudegaoduzhongshi,neimeyounaxieni?jiexialaiyiqilejiexiaba。

yi、huangguaheibanbingzhengzhuang

huangguaheibanbingzhuyaoweihaideshiyepian,huicongxiaershangfabing,yepianfabinghou,huichuxianhelvseyuanxingbandian,houqibianweihuibaise,chaoshihuanjingxia,haihuichuxianbingyuanjundefenshengbaozigenghefenshengbaozi,erqieyebeimianchuxianshuizizhuangbingban,yanzhongshi,yerouzuzhikusi,yeyuanxiangshangjuanqi,yepianjiaoku,danbutuoluo。

er、huangguaheibanbingfangzhifangfa

1、zhongzixiaodu

dg真人游戏zaibozhongqian,duihuangguazhongziyong50%duojunlingfenji500beijinzhongxiaodu,nenggouyouxiaojianshaobingchonghaifasheng。

2、nongyefangzhi

bozhongheyizaiqian,qingchutianjianzacao,jizhongshaohui,jianshaobingyuan,binghefeibenkezuowushixinglunzuo,shuihanlunzuozuihao。nenggouyouxiaojianshaohuangguabinghaifasheng。

3、jiaqiangfeishuiguanli

shifushudeyoujifei,bingzengshilinjiafei,tigaozhizhudekangbingnengli,caiyonggaolongdimofugaizaipei,helikongzhijiaoshuiliang,fangzhidashuimanguan,zaichuhuaqi、chuguoqi,jiaotishiyongdanlinjiafeiliao,bingshiyongyoujifeichongshi,cujingenxishengzhang,tigaohuafenhuoli。

4、yaojifangzhi

dg真人游戏fabingchuqi,keyishiyong5%baijunqingfenchenjijinxingpenshi,huoyubangwanshiyong45%baijunqingyanjihuo15%shadufanyanjijinxingpenshi,genjubingqingduiyaojijinxinghelishiyong,fangzhixiaoguofeichangbucuo,bingqingkuozhanxunsu,yong20%shibaolingjiaoxuanji1wan~1.5wanbeiyepenyici,ranhoushiyongqitayaojilianxupenwujinxingfangzhi,xiaoguofeichangbucuo。

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