Tomato planting techniques: how to grow autumn tomatoes?

How to grow autumn tomatoes? Please give detailed instructions. Autumn tomatoes are mainly on the market during the National Day, but during the growth period, autumn tomatoes have high temperature, more Rain Water, strong light, and many diseases and insect pests, especially virus diseases. Therefore, it is difficult to plant autumn tomatoes well, but we can refer to the planting techniques provided by the planting network: first, autumn tomato varieties and sowing date: Xifen No. 3 is better at present. Seeds are usually sown around June 20, not too late. Second, autumn tomatoes cultivate non-toxic strong seedlings: in order to cultivate non-toxic strong seedlings, we must adhere to the "four prevention". ⑴ is waterproof and flooded to avoid aphids. Make high beds and set up drains. Remove weeds around to prevent aphids from parasitizing and migrating to tomatoes. ⑵ is protected against rain and high temperature. Set up an arch frame about 1 meter high, covered with agricultural film (lifted around) and sunshade net or aphid screen. ⑶ against apprenticeship. The concentration of paclobutrazol sprayed must be accurate to prevent excessive inhibition. ⑷ antivirus disease. Tomato virus disease is transmitted by aphids. Due to the asymptomatic characteristics of infection at seedling stage, prevention must be given priority to. First, it is necessary to cover silver-gray sunshade net or special screen for aphid prevention (40 mesh) to avoid aphids and block aphids; second, after the two cotyledons of seedlings are flattened, spray irrigation combined with application of antiviral agent No. 1 to prevent virus disease. Third, autumn tomato planting: the seedling age is about 20 days. Watering "luring grass" before planting, fertilizing the soil 5 days later, ridging and making a border, with a width of 1.2m, 2 rows per row, 60 cm between rows, 20 cm between plants, and 5500 plants per mu. Colonization should be carried out in the afternoon or cloudy days, the key is to speed up, lift the soil to insert seedlings. Water immediately after planting to prevent the seedlings from wilting. 4. Autumn tomato management: slowly watering the seedlings 4 days after planting 3mur. hoe once in two days and hoe three times in a row. In the third time of hoing, the soil was cultivated on the cultivated row combined with topdressing, and the height of the soil did not exceed the height of the ridge. The purpose of cultivating soil and ridging is to prevent watering from soaking the root neck. Otherwise, the roots will rot. It is necessary to insert the rack and draw the vine on the shelf. Do the pruning alone and wipe it when you see the branch. When all the fruits are set, the new leaves can no longer be seen in the field. After flowering, it is necessary to match the appropriate concentration of 2meme 4murD to wipe flowers and protect fruit, and the ears should be smeared. If you leave more fruit, you will be small, and if you leave less fruit, you will have a big one. In addition, to prevent the harm of Helicoverpa armigera, to see the egg hatching timely medication. Click to get more tomato planting techniques click to get more vegetable planting techniques