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花卉根外追肥五注意

   2015-01-27 551
核心提示:根外追肥是花卉生产中的常用措施,能弥补根系吸收养料的不足,平衡植株营养,防止缺素症发生,提高花质和观赏价值。 根外追肥通过叶面喷施,用肥少,肥效快,喷洒后5小时可被吸
       根外追肥是花卉生产中的常用措施,能弥补根系吸收养料的不足,平衡植株营养,防止缺素症发生,提高花质和观赏价值。

 
       genwaizhuifeitongguoyemianpenshi,yongfeishao,feixiaokuai,pensahou5xiaoshikebeixishou,24xiaoshikexishou50%zhi75%,youxiaoqi7zhi10tian。huahuigenwaizhuifei,chukaihuaqiwai,zhenggeshengzhangqidoukejinxing,qizhongshengzhangwangshengqi、zhiyeyounenqiguanshiyongxiaoguomingxian。dangenwaizhuifeibixuzhuyijigewenti:


       feiliaozhonglei genwaizhuifei,tongchangyongyirongyushui、suxiaoxingdewujifeiliao。zhuyaoyouniaosu、liusuanjia、linsuanerqingjia、liusuanxin、liusuanmei、guolinsuangai、caomuhui、cansha、tufenjinchuye、renniaodeng。youjifeiyibanbukezuogenwaifei。

 
       shiyongnongdu huahuigenwaizhuifeishiyongnongdujiaodi,niaosuwei0.1%zhi0.3%,linsuanxin、liusuanmei、pengsuandeng0.1%zhi0.2%,caomuhui20%,cansha、tufen3%zhi5%,renniao5%zhi10%。gaonongdubujinyepianwufaxishou,haihuichanshengfanshentouzuoyong,shizhiyexibaotuoshuiweinian、jiaoku,zaochengfeihai。

 
       shiyongshijian genwaishifeizaiyintianhuoqingtiandezao、wanjinxing,wendudi,kongqishidujiaoda,qikongkaizhangduda,yixishou。gaowendezhongwu,zhiwuqikongguanbi,xishoushao,feiyerongyizhengfasunshi,shiyongxiaoguocha。

 
       pensabuwei yebeiqikongduo,xishousudukuai。yinci,yepianzhengfanmian、zhizhuneiwaiyingquanmianpensa。feiyepenwuyaoxi,yiyemianpenshiweihao,fouzefeiyeliushiduo。

 
       hunheshiyong feiliaokeduoyuansuhunhepensa,ruyushachongji、shajunjihunheshiyong,dadaogongjiyangliaoyufangzhibingchongxiangjiehe。dansuan、jianbutongxingzhidefeiliaoyunongyaobukehunyong,yimianzaochengshixiao。tongshi,hunheshiyongshi,nongduyaoshidangjiangdi,yifangfei、yaohai。

 

 
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