夏季来临,要注意加强蔬菜大棚管理的管理。如果外界温度骤然升到38℃以上,棚室通风条件即使再好,棚内温度也要比外界高出不少。尤其是降雨过后气温提升迅速,特别容易造成棚室蔬菜出现日灼病、生理性萎蔫等问题。因此,提前采取措施,适时遮阳、降温,预防突发性高温造成不必要的损失。
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