目前温室设施蔬菜生产已进入越冬期,北京地区冬季常会出现极端寒冷天气,并伴有大风降温,另外每天光照时间逐渐缩短,不利于蔬菜作物生长。进入严寒季节,番茄、黄瓜、茄子等越冬瓜果类蔬菜作物管理重点是确保根系和植株健壮生长,促进多坐瓜、 At present, vegetable production in greenhouse facilities has entered the overwintering period. In winter in Beijing, extreme cold weather often occurs accompanied by strong winds and the daily light time is gradually shortened, which is not conducive to the growth of vegetable crops. Into the cold season, tomatoes, cucumbers, eggplant and other winter melon vegetables Crops management focus is to ensure the robust growth of roots and plants to promote more sit melon,