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安徽马尼拉草坪施肥产生肥害的原因与补救技巧

发表时间:2019-03-14 09:12

  安徽马尼拉草坪湖南棋牌app施肥产生肥害的原因及补救方法:氨气毒害。当挥发于空气中的氨气浓度达到5×10-6以上时,叶片会出现水浸状斑点,细胞失水而死亡。此时,当施肥量过大时,会造成土壤溶液浓度过高,使作物对养分和水分的吸收受阻,造成生理干旱,根系吸水困难。一般肥害的症状为:叶片出现水状斑,细胞失水死亡后留下枯死斑点,叶肉组织崩坏,叶绿素解体,叶脉间出现点、块状黑褐色伤斑,并发生烂根、根部变褐、叶片变黄等现象。


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湖南棋牌app   CHUXIANFEIHAIBUJIUCUOSHIFANGFA:


  GAOERFUQIUCHANGGUOLINGHEQIUDAOSHIYONGYEMIANYOUJIYEFEI,YIDANYONGLIANGGUODUO,JIUHUIDAOZHICAOPINGSHENGLINIJING。DANCAOPINGSIWANGSHIHUANMANDE,YINCAOPINGGENXISHENGLIXINGTUOSHUIZAOCHENGYEPIANBIANHUANGHEWEINIANZHENGZHUANG,YOUQIGUOLINGBENTECAOZHIZHUYOUXIAOKANGNIXINGCHA,RUOBUJIUCUOSHIBUDANG1-2ZHOUHOUCAOPINGZHUJIANSIWANG。YINCI,ZAISHIFEISHIBIXUZHUYIYANGEZHANGWOHAONONGDU,QIEBUKECHAOGUOGUIDINGERRENYIJIADA。YIDANCHUXIANFEIHAI,RUXIPENSATURANGNONGDUGUOGAOYINQIDE,KELIJIJIAOYICISHUI,JINXINGHUANJIE,YIBANJIKEZHUJIANHUIFUSHENGJI。RUXIYONGYUGENWAIZHUIFEISHINONGDUGUOGAO,JIAOSHUIHOUXUZHUIPENYICI600-800BEIDEPA-101RONGYE,ZAIJIEHEJIAOYICIXIAOSHUIJIKEHUANJIE。RUOCAOPINGYINPENNONGYAOHUOSHENGZHANGYIZHIJIGUODUO,ERCHUXIANSHENGZHANGYICHANGXIANXIANGSHI,YEKEPENSA600-800BEIDEPA-101RONGYEJINXINGJIEJIU.


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