First, the cultivation season. The cherry tomato cultivation season is similar to that of ordinary tomatoes. In open field cultivation, spring sowing can be nursed in the protected land in February, and after the final frost in late April, it is planted, and in mid- and late-June, it enters the harvesting period. Autumn sowing can be nursed in July, set in August and harvested in October. Protected cultivation can be suitable for early or late cultivation. Second, sowing nursery cherry tomato cultivation using transplanting methods. (1) Seedbed preparation. Nursery beds should be selected for plots that have not been planted with solanaceous vegetables. Fertilizers are selected to fertilize 40% to 50% of decomposed organic fertilizers, and 1 kg of superphosphate is mixed with 3 nutrient soils per meter, and 5-10 kg of plant ash are mixed. Sieve on the nursery bed. Early spring nursery seedlings should be located in the greenhouse, the temperature should be too low to lay electric heating lines; summer nursery seedbeds should be located in a cool, ventilated place. In summer, rainwater is abundant, nursery beds need shelter facilities, and there is a drain at the bedside. (2) Seed treatment. Diseases of cherry tomatoes are spread by seeds, so seeds must be disinfected prior to sowing. In order to prevent the occurrence of viral diseases, production of trisodium phosphate disinfection. The method is: moisten the seed with water, wrap it with gauze, put it in 10% trisodium phosphate solution for 15-20 minutes, and take out the seed bag. Pack with a wet towel and germinate at 28°C. Seeds are washed once a day during germination and about 3-4 days when the 1/2 seed is exposed. (3) sowing. Seedling bed first watering, early spring sowing watering may be appropriate smaller, summer sowing nursery bed should be enough water, until the water seepage after sowing, and then cover 1cm sieving soil. The seedling bed per square meter uses 3-5g, and the planting area per acre requires 6-8 meters 2 nursery beds. (4) Seedling management. Early spring nursery should pay attention to insulation, soil temperature before seedling control at 25-30 °C, summer nursery should be rain, cooling. When most of the seeds emerged, they should be cooled in time and the temperature should be controlled at 20°C during the day and l2-15°C at night. When the seedlings grow 2 true leaves, they are divided into seedlings. (5) points seedlings. The temperature in early spring is getting higher and the seedbed is generally not covered with a hotline. In early spring, the seedlings should be planted in sunny mornings. The method of planting in dark water should be used to open the ditch first, and then water the seedlings. No muddy water can be seen on the surface after being buried. Row spacing 1010cm. Split seedlings are performed in the evening or on cloudy days in the summer. Row spacing 1010cm. After planting water, cover the shade and remove the cover after the seedlings are released. The seedbed temperature is 25-28°C during the day before the seedlings bloom, l5-18°C at night, 20-25°C during the day after the seedlings are slowly growing, and 13-l5°C at night. Do not water in the early spring, watering the seedbed in summer. Seedlings grow to 8 true leaves when planted. Third, planting the first site preparation, combined with a deep plowing per acre Shi organic fertilizer 5000kg, N, P, K ternary compound fertilizer 20kg, superphosphate 20kg. After the flat land, 150cm wide flat ridges are made (if the mulch film is buckled in the early spring, it will be 10cm high and the surface width will be 50-60cm). Three lines per plant were planted in the flat land, and one row per plant was planted in the small plant. Plant spacing 20-30cm, planting 4500-6000 plants per acre. The first layer of membrane was buckled and then the planting points were planted according to the spacing of the plants. The depth of the colonization was 1 cm from the ground. Fourth, field management (1) watering. Plant water and plant the fruit in the first spike without flowering. If there is little water for planting, it can be drenched with small water in the raft and selected on sunny days in the morning. The first spike is used to pour the first large water after settling fruit. The result is a large amount of water, and the water is poured every 5-6 days. See dry see wet. Reduce water harvesting period to prevent cracking. (2) Dressing. After the first spike is set, combined with water, apply 10 kg of N, P and K fertilizer per acre. When the first ear turns color, the compound fertilizer is 10 kg per mu to promote fruit development. After every 2 spikes, the top dressing is applied 1 time. The amount of 10g per mu compound fertilizer. (3) temperature management. The protective cultivation temperature is higher than that of ordinary tomatoes, requiring 10°C or higher in the evening, 20-25°C in the daytime, and no higher than 35°C in the daytime. (4) Pruning. The cherry tomato plants are tall and upright. When the plants grow to 50 cm, they are inserted to prevent lodging. Lateral branches have strong growth ability and are usually double dry pruning, leaving 2 strong branches first, and the other erased. Generally not topped, when the old leaves of the lower part of the yellow timely removed to reduce nutrient consumption. (5) Thinning and fruit protection. In early spring when the temperature is low, poor pollination and easy flowering can be applied with 2, 4 - 1 D freshly opened flower buds and flower stalks (simply apply 1 time). Cherry tomatoes produce more fruit per ear, leaving 20-30 fruitlets for good fruit setting and the rest removed. V. Harvesting when the harvest is fully mature. Keep the sepals and a fruit stalk when harvesting. VI. Pest and disease prevention Common diseases include early blight, late blight, viral disease and gray mold. Control methods: 3-4 years of rotation with non-solanum crops. In the early stage of disease, 70% mancozeb 500 times, 75% chlorothalonil 600 times, spray once every 7-10 days, and spray 4-5 times. Insect pests are mainly aphids, which can be controlled by 20% killing of Chrysanthemum EC 800-1000 times and 50% avoiding fog 2000-3000 times.
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