First, choose the heat-resistant mid-late-maturing varieties According to local conditions, select high-quality varieties that are resistant to disease, heat, storage and transportation. Such as Chinese vegetable No. 4, Maofen 802, strong Feng, Jiafen and other varieties. Second, the selection of raw land and field crops rotation selection before the planting of oyster-bearing raw oyster land plots, it is best to rotate crops with field crops, to disease-free cultivation, tomato cultivation is more efficient and stable production more efficient Measures. Fields generally have poor fertility. Before planting, deep plowing must be carried out to increase base fertilizer. Generally, 3000-5000 kg of farmyard manure, 100 kg of superphosphate, and 30 kg of compound fertilizer are used per mu. Third, the cultivation of sorghum mulch-covered tomatoes in summer should generally be covered with high ridge or sorghum mulching. The pods are generally made of sorghum 20-25 cm tall and then covered with plastic film. The high mulching film coverage is not only beneficial to maintain water and fertilizer, but also conducive to drainage in the rainy season and prevent disease and prevent decay. Fourth, nurturing strong seedlings, the appropriate sparse tomato cultivation in summer is generally scheduled to collect the harvest period from July to September listing. In North China, seedlings are generally sown in late April and planted in late June. During the seedling period, temperature and humidity must be controlled to prevent leggy. The cultivation density of tomato should not be too large during summer, and the density of the tomato is too bad for ventilation and light transmission, and the field is closed. The high-temperature rainy season is prone to various diseases and premature plant failure. Generally, a width of 1.6 meters (90 centimeters wide and 70 centimeters wide) is planted in two rows with a row spacing of 50 centimeters and a spacing of 45 centimeters. Only 1900 plants are planted per acre. Local conditions can be combined with appropriate sparse planting. No more than 3,000 per acre, strong seedlings should be planted when planting. Fifth, rational pruning, multi-layered fruit tomatoes more summer cultivation should be implemented in large-scale cultivation, multiple layers of fruit. Pruning can be done with single or double dry pruning. On the basis of the production of spring tomato, it can also adopt the continuous replacement head regeneration and pruning method to carry out the over-summer cultivation and production. Single or double dry pruning, or continuous regeneration of pruning, generally have to focus on the top 50 days before the frost topping. To prevent the fruit from ripening. Toppings generally have to leave two functional leaves. Topping is not too early to prematurely cause premature senescence. Tomato cultivation over the summer generally results in 5 to 10 spikes and 20 to 30 fruits. 6. Strengthen field management and increase the plant's ability to pass summer. Tomatoes pass the base fertilizer in the early summer cultivation period, and appropriate seedlings. To promote deep rooted leaves and high temperature before the arrival of the rainy season, we must pay attention to adjust the balance between good nutrition and reproductive growth, appropriate thinning and fruit thinning, to avoid falling, to maintain vigorous growth of plants. To remove the old leaves and diseased leaves of the plant in time. It is necessary to strengthen the prevention and control of diseases such as late blight, virus disease and spot disease; and timely control of insect pests such as aphids and cotton bollworms. When the temperature is high and it is rainy, the tomatoes are easy to fall, and 25 to 30 ppm of tomato hibiscus or spray can be used to preserve the fruit; the use of 2,4-D is minimized or avoided, and the number of deformed fruits is reduced. VII. Harvesting of tomatoes in time The more summer cultivation of tomatoes is generally started from mid-July. At this time, high-temperature and rainy seasons occur. To avoid rotten fruit and fruit cracking, the fruit should be harvested immediately when the fruit begins to turn red.