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yecaiputongshixigaimeidezuowu,bifangshengcai,zaijieqiuqiduigaimeidexuyaoliangda,qiduixin、pengdengweiliangyuansudexuyaoyejiaomingan。shiyi,zaiyecaifazhandeshengyangqiyingdangzhongshigai、mei、xin、pengdengdebuchong,duoliyongzhongweiliangyuansushuirongfei,yibimianqichanshengquesubingzheng。hanjiandeyongyuyemianfeidechanwuyoutangchungai、yetipeng、liusuanmei、shiruidedeluohegai、zhongliangyuansushuirongfeiheweiliangyuansushuirongfeideng。
在挑选叶面肥喷施时,应按照泥土营养供给状态、叶菜的发展环境及施肥目标等停止。上面就给大师简略先容一下,各生养期叶菜类蔬菜若何挑选叶面肥(以生菜为例)。
1、苗期。
苗期叶菜应挑选功效型的叶面肥,如腐植酸水溶肥、无机水溶肥等,如许能增进根系发育,安慰作物发展,加强作物抗逆性。
2、结球早期。
jieqiuzaoqideyecaiyemianfeiputongtiaoxuanzhongliangyuansushuirongfei,aohegaimei、tangchungaimeifei,zuihaoshishiruidedeluohegai,ruxunenggoubuchongzhongweiliangyuansu,bimianquesubingzhengchansheng。
3、结球中期。
jieqiuzhongqideyecaiyemianfeiputongyeshitiaoxuanzhongliangyuansushuirongfei,aohegaimei、tangchungaimeifei、luohegai,yiyangshibuchongzhongweiliangyuansu,bimianquesubingzhengchansheng。