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種植時為什么架大棚 種植時為啥架大棚

  • 農業
  • 2023-04-19 18:41
種植的時候搭建大棚是因為,大棚能夠更好地保溫、保濕、有利于植株的生長,還能夠減少植株遭受病蟲的侵擾。大棚能夠很好的將溫度調節至植株適宜生長的溫度,能夠加快植株的成熟。大棚還能夠讓植株免受在大風、大雨、大雪等極端天氣的災害。

  搭建大棚需選擇向陽、避風、高燥、排水良好,沒有土壤傳染性病害的地方,扣膜時要盡量避免棚膜的機械損傷,特別是竹架大棚,在扣膜前應先把架表面突出的部分削平,或用舊布包扎好。用彈簧固定時,在卡槽處應加墊一層舊報紙。

  大棚因有塑料薄膜覆蓋,形成了相對封閉與露地不同的特殊小氣候,進行蔬菜大棚栽培,必須掌握大棚內環境的特點,并采取相應的調控措施,滿足蔬菜生長發育的條件,從而獲得優質高產。

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