Autumn rainy greenhouse management technology

First, pay attention to water control and humidity. Do not flood the ground to avoid increasing the humidity in the greenhouse and cause diseases. Set up drains in the back wall of the greenhouse to drain water quickly. Prevent rainwater from entering the greenhouse or outside rain from the ground into the shed, increasing humidity and causing leggy.

Second, on the results of the vegetables, vegetables and fruits in time. Before the onset of rainy days, it is necessary to timely harvest the plants with weaker growth or more fruits, and appropriate sparse fruit thinning. During the rainy season, do not fight with the whole technique to prevent the wound from healing.

3. Spray foliar fertilizer and growth regulators to promote plant growth. After continuous rainy days, the method of foliar spraying of potassium dihydrogen phosphate and diluting sugar water was adopted to enhance the resistance of vegetable seedlings. At the same time, spraying plants and other plant growth regulators to promote the recovery of plants as soon as possible.

Fourth, pest control and disease prevention. Do not spray as much as possible, use chlorothalonil smoke agent to prevent disease or use isopropanil aerosol, dichlorvos aerosol smoke shed insect control.

5. Ventilate day and night to reduce humidity and reduce disease, except when it rains.

Sixth, strengthen the greenhouse. Strong winds and heavy rains should be observed in time to prevent heavy winds and heavy rain from falling down and smashing the shed.

Seventh, even after the sun shines suddenly, depending on the situation to cover the seedlings, to avoid direct light, causing seedlings lose water, wilting or even dead seedlings.