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由于特殊的生长环境,大棚蔬菜病虫害发生种类多、扩展快、危害重,特别是雨季,空气、田间湿度大,各种病虫害发生更加严重,为了确保蔬菜正常生长,实现增产、增收,种植户要注意的事项有:一、科学调控环境1、温度调控白天光照强、温度较高时应通风降温,控制植株旺长,增强植株的抗逆能力。2、降低棚内湿度大棚蔬菜由于塑料膜封闭性强,棚内湿气难以挥发。夏季棚内湿度过大,病害会随之加重,棚
Due to the special growth environment, there are many kinds of pests and diseases in greenhouses, which spread rapidly and endangered. Especially in rainy season, air and field, the occurrence of pests and diseases is more serious. In order to ensure the normal growth of vegetables and to increase production and income, Matters needing attention are: First, the scientific regulatory environment 1, the temperature control during the day light intensity, the temperature should be ventilated and cool, control the plant Wang Wang, enhance plant resilience. 2, to reduce greenhouse shed greenhouse vegetables due to strong plastic film closed, shed difficult to volatile moisture. Summer shed humidity is too large, the disease will be aggravated, shed