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  • 東大po大棚膜首頁 > 技術動態 > 為什么大棚種植要看地澆水?
  • 為什么大棚種植要看地澆水?

    2019-05-28 322

        在現有的使用大棚膜覆蓋栽培模式下,作物都是通過根系從土壤中吸收水分。土壤,實際上是作物生長的水庫。所以,在判斷是否給植物澆水的時候,必須要看看土壤的水分狀況。挖一塊土壤仔細檢查,你會發現,土壤是由很多大大小小的顆粒組成的,顆粒之間有大小不一的孔隙,在這些孔隙中有土壤水溶液和土壤空氣。水分在土壤中是一個動態變化過程,水多水少直接影響著蔬菜的生長狀態。

        SHENGCHANZHONGXUYAOYOUYIGEJUTIDESHUZIZHIBIAOLAIHENGLIANGTURANGZHONGSHUIFENDEDUOSHAO,JITURANGTIANJIANZUIDACHISHUILIANG。ZAIGEITURANGJIAOGUANSHUIDESHIHOU,TURANGZHONGDESHUIFENZHUJIANZENGJIA,DANGSUOYOUTURANGKONGXIZHONGCHONGMANLESHUIDESHIHOU,JIXUGUANSHUI,DUOYUDESHUIYIBUFENHUISUIZHUDIQIUDEXIYINLIXIANGXIACHENJIANGDAODIXIASHUI,HUOXUJIDAOSHENCENG,HUOLIUSHIDAOHELIUHUBODENGSHUIYUAN;JUJIZAIDIBIAODESHUI,ZELUXUZHENGTENGDAOKONGQIZHONG。TINGZHIJIAOSHUIYIHOU,GUODUODESHUIFENZHUJIANXIANGXIAHUOXIANGSHANGJIANSHAO。DAITURANGZHONGZHIYOUKONGXIZHONGCHONGMANSHUIFENSHI,CISHIDETURANGHANSHUILIANGJIUJIAOTURANGTIANJIANZUIDACHISHUILIANG。

    大棚種植要看地澆水

        DUIYUSHARANGTUHUORANGTU,CISHI,YONGSHOUZHUAYIBASHAOYIYONGLIJIUHUIYOUSHUIJICHU,CISHIDEHANSHUILIANGXIANGDANGYU100%;ZAIGUOYIDUANSHIJIAN,TURANGKONGXIZHONGDESHUIJIXUXIANGXIAHUOXIANGSHANGJIANSHAO,DIBIAOLVEXIANGANZAO,CISHI,ZHUAYIBATUYONGLIZUANCHENGTUTUAN,DANWUSHUIJICHU,SHENKAISHOUZHANG,TUTUANBUSANKAI,FANGZAIXIONGQIAN,SHENKAISHOUZHI,TUTUANLUODIBUSAN,CISHIDETURANGHANSHUILIANGZAI85~95%ZHIJIAN;RUGUOTUTUANLUODISANKAI,TURANGHANSHUILIANGZEXIANGDANGYU60~80%ZHIJIAN;RUGUOSHOUZHUATURANGYONGLINENGCHENGTUAN,DANSHENKAISHOUZHIJISANKAI,QIHANSHUILIANGZEDIYU50%;RUGUOSHOUZHUATURANGYONGLIJINZUANYEBUNENGCHENGTUAN,QIHANSHUILIANGJIUGENGDILE。CHUYUMIAOQIDEDAPENGSHUCAI,TURANGTIANJIANCHISHUILIANGZAI50%HUOLVEDIYIXIEJIKE;DUIYUJIEGUOCHUQIDESHUCAI,ZEYAOQIUTIANJIANCHISHUILIANGZAI80%YISHANG,HUANGGUAYAOGAOYIXIE,FANQIEZELVEDI,ZAIJIEGUOSHENGQISHITURANGHANSHUILIANGYINGGAIZAIGAOYIXIE,DADAO90%YISHANG。

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