Measures: Wind and humidity should be taken into consideration. The time for air release is generally around 9:00 in the morning, half an hour for ventilation, and covered at night. In the wind and at the same time we must pay attention to scientific fertilization, to restore the weakness of shed vegetables, fertilization to take "a small number of times" approach to chase or hole application of quick-effect fertilizer, but also to grasp the shed temperature, reduce the shed inside the harmful gas is too concentrated. Pitaya Powder,Red Pigment,Pitaya Fruit Powder,Dragon Fruit Powder Shaanxi Zhongyi Kangjian Biotechnology Co.,Ltd , https://www.zhongyiherbs.com
Shelter improper ventilation
If the shed vegetables planted in the autumn are neglected for ventilation and humidity management, the shed vegetables will appear wilting and grow slowly.