First, choose high temperature resistant and drought resistant vegetable varieties
In the layout of the mouthwash, it is better to choose leaf vegetables with better heat resistance such as green vegetables, Chinese cabbage, leeks, morning celery, and oil and wheat dishes, and some heat-resistant early radishes can also be sown. According to varieties, timely cultivation of cauliflower, cabbage, tomatoes, pepper, eggplant and other autumn vegetables seedlings.
Second, the application of shade net cover technology to prevent high temperature
The sunshade net has many functions such as blocking light, lowering high temperature, and preventing rainstorm, which can effectively improve the environment of crop growth in the summer and autumn and high temperature seasons, and achieve the goal of stable production increase. The use of shade nets on fast-growing leafy vegetables such as green vegetables, Chinese cabbage, and early celery, can be sown and marketed earlier to increase production. Using shade nets on autumn vegetables, such as cauliflower, cabbage, tomatoes, peppers, and eggplants, can cultivate strong and strong. Commonly used shade nets are black, silver grey, and silver-grey shade nets also have a role in avoiding radon. Coverage covers greenhouses, small sheds and floating surfaces. Flat grass can also play a role in cooling the sun.
Third, application of micro-droplet technology to prevent drought
Vegetable micro-droplet technology is an advanced and efficient irrigation technology. In summer and autumn, applying micro-droplet micro-injection technology to vegetable production can effectively reduce the impact of drought on vegetable production and provide disaster-resistant food; save labor, labor, water, and labor intensity; and increase humidity, reduce temperature, and improve the fields. The microclimate regulates soil water, fertilizer, gas, and heat conditions, and promotes the growth of vegetables, so that the commercial nature of leaf vegetables in summer and autumn is greatly improved.
Fourth, the application of agronomic, physical, biotechnology pest control
Agronomic techniques: After the greenhouse vegetable is ordered, the soil should be ploughed in time, exposed to high temperature or high temperature stuffy sheds, and the soil should be filled with soil to spread lime; the rotation of paddy crops, melons and onions and garlic rotations, etc. can also be adopted. Soil kills soil-borne pests and diseases.
Physical and biological technologies: The comprehensive use of insecticidal lamps, sex attractants, insect nets, azadirachtin and other physical biotechnologies to control high-temperature pests such as Plutella xylostella and Spodoptera litura, improve the control effect of vegetable pests, and ensure the quality and safety of vegetable products.
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