一、气温。一般说来果菜类的蔬菜,育苗中的气温应保持在20～25℃为宜,白天的床温不要超过30℃,番茄不超过25℃。瓜类比茄果类温度稍高一些,而茄子又比番茄要高2～3℃,晴天的白天宜在25℃左右,阴天的白天在20℃左右,晴天的夜间宜在10～15℃,阴天的夜间比晴天的夜间低2～3℃。在进行重点低 First, the temperature. In general, fruits and vegetables vegetables, nursery temperature should be maintained at 20 ~ 25 ℃ is appropriate, daytime bed temperature should not exceed 30 ℃, tomato does not exceed 25 ℃. Melon is slightly higher than the temperature of solanaceous fruits, while eggplant is 2 ~ 3 ℃ higher than that of tomato. The sunny day should be around 25 ℃, the cloudy day should be around 20 ℃, the sunny day should be 10 ~ 15 ℃, Cloudy night than sunny night 2 ~ 3 ℃. The focus is low