1. Promote facilities for shade and rain cultivation. In addition to the impact of high temperatures, vegetable production may also be threatened by heavy rain and strong winds. Therefore, it is necessary to vigorously promote facilities to avoid rain and shading cultivation, retain the greenhouse roof film, cover the sunshade net, strengthen the greenhouse facilities to prevent sudden wind disasters. 2. Surprise sowing vegetables in summer and early autumn. According to the changes in the market, the existing varieties of stubble are used to vigorously develop over-summer and early autumn vegetables. According to the situation of vacancy and autumn deficiency, one or two stubble fast-growing vegetables, such as small greens, amaranths, lettuce, greens and white radishes, can be rushed. On the basis of early seedling raising, grab early cauliflower, early cabbage, early Chinese cabbage and green pepper and other late-delay vegetables. Do a good job in raising seedlings of autumn Chinese cabbage, autumn cabbage, autumn lettuce, autumn cauliflower, celery, etc., and ensure transplanting from late August to early September. 3. Strengthen the management of seedbeds and fields. By timely replenishing water, cooling and moisturizing. Sprinkler irrigation and drip irrigation can be promoted if conditions permit, and artificial irrigation should be conducted in time if there are no conditions. Under high temperature, it is necessary to increase the greenhouse vent. In case of rain or rain, cover the membrane in time to prevent water from entering the shed. Fertilizer water should be replenished in time according to the growth of crops. If possible, use drip irrigation facilities to promote the integration of fertilizer and water. At the same time, do a good job of weeding and weeding to improve the microclimate in the field. 4. Promote green prevention and control of pests and diseases. The low season is a period of high incidence of vegetable diseases and insect pests, and also the period of the most frequent use of pesticides. Vegetable production is difficult. To promote comprehensive prevention and control of pests and diseases, vigorously promote the cultivation of insect nets, give priority to the use of agronomic measures, biological control and physical control methods, promote the integration of green prevention and control and integrated prevention and control technology service model, prevent the abuse of chemical pesticides and the use of prohibited pesticides, strict Turn off the safe use of pesticides. Disclaimer: Some articles of this website are transferred from the Internet. If the legal rights of third parties are involved, please inform this website for processing. phone Guangzhou Zhongzhinan Supply Chain Co.,Ltd. , https://www.zhongzhinanlighting.com