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冬春季蔬菜育苗正值严寒季节,经常会遇到阴、冷、雨、雪、风等异常天气,对培育蔬菜壮苗产生不同程度的影响,严重时导致育苗失败,延误农时。因此,加强异常天气条件下棚菜苗的管理就显得非常重要。一、连阴天冬春若遇连续阴天的寒冷天气,要在保持各种蔬菜生长下限温度的基础上,尽量揭草帘,使菜苗有一定的见光时间,切不可几天不揭草帘。因为幼苗在黑暗中体内营养物质消耗大,时间一长,叶色由绿
In winter and spring vegetable nurseries are in the cold season, and often encounter abnormal weather such as overcast, cold, rain, snow and wind, which have different degrees of impact on nurturing vegetables and strong seedlings. Therefore, to strengthen the management of greenhouse vegetables under unusual weather conditions is very important. First, even the cloudy winter In case of continuous cloudy cloudy weather, to maintain a variety of vegetables on the basis of the minimum growth temperature, try to expose the curtain, so that seedlings have a certain light time, must not be exposed a few days curtain. Because seedlings in the dark in the body consume nutrients, over time, leaf color from green