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大棚草莓湿度也该控制在多少
更新时间: 2020-10-26 00:00:00  

25度左右。盖棚初期,为增加积温,又兼顾前期高温所带来中后期早衰,促进早开花,白天大棚温度应保持30度左右,但在复膜后头几天温度可偏高,35度左右,有利起发,夜间温度保持10度以上,以后直至开花前,棚温白天保持25度为标准,最高不超过30度。顶花序开花后果实膨大期和成熟期,白天棚温保持20到25度,夜晚保持5度以上,果实膨大期或温度过高超过25度,成熟快、果变小。因此,棚温高于25度时要注意通风降温。

关键词: 大棚 草莓 湿度 控制 多少

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