Gift watermelon has a small fruit shape and excellent quality. It is loved by consumers and is the current trend of watermelon development. Summer harvest not only can extend the supply period of watermelon, meet the market demand, but also has a higher planting efficiency. First, the selection of varieties in the county gift watermelon to choose a short period of growth, good quality, strong market competitiveness of the black beauty, Hong Xiaoyu, Xiaoyu seedless melon and other appropriate. Second, sowing seedlings summer planted in autumn to mid-autumn sowing in July is appropriate, sowing too early, the early high temperature, aphids, virus diseases and other serious harm, sowing too late, planting, fruiting period is delayed, late low temperature, unfavorable watermelon enlargement And mature. In order to cultivate strong seedlings, it is best to use nutritional seedlings. The nutrient soil is required to be formulated between the end of May and the beginning of June. It is formulated with 1.2--1.5 square fields of land or garden soil (not previously used for melons) + 200kg of decomposed human feces + 3kg of imported compound fertilizer per acre field. Heap stuffy, spread out before mounting, mix 50% carbendazim 200g and 500g trichlorfon after sieving. Watermelon seeds should be sterilized after soaking in 1-1.5cm depth in live sorghum. After raining, rain film and sunshade net should be used to prevent high temperature. After emergence, shading nets should be lifted in time to prevent saplings from becoming seedlings. Third, the preparation of soil fertilization Xiajiaoqiu autumn gifts watermelon stand cultivation short growing season, high yield, require early as soon as possible to cultivate a high yield posture, so to apply the base fertilizer, before the deep plowing, after the pounding width of 2 meters, each opening 2 rows of planting ditch, row spacing of 1 meter, Mushi rot organic fertilizer 3000kg, dried cake fertilizer 150kg, imported three-element compound fertilizer 30kg, calcium magnesium phosphate 50kg, urea 10kg, fertilizer concentrated in the planting trench cover soil. Summer harvest autumn harvest due to the previous high temperature and drought, the surface of the mulch to cover, the film cover straw cooling. IV. About 25 days after sowing planting, when the melon seedlings have 3 to 4 true leaves, they are transplanted. Before transplanting, the nutrient bowls are irrigated with water, and the medicines are fed with fertilizers. The 0.5-m. , 1300 acres of planting, seedlings planting depth and the same height of nutrient soil, after pouring enough water, planting the hole next to the plastic film. V. Reasonable pruning Upright stand cultivation mainly uses double vine pruning. When ranch length is 50cm, one main vine is selected and the remaining side vines are removed. The second female flower pollination and melons are selected to strictly remove the lateral vines before the melon position. And Sun Man, until the melon grows to the size of the egg, choose to leave two fruit-shaped rounds of melons, and the rest are taken off, and the 13th leaf on the seat of the melons is topping topping. Sixth, the stand leads the vines to choose to stay good after the main side of the vine can be stand up, generally inserted into the adult frame, at the cross and the middle of each cross tie a wooden pole, with a solid frame and easy to introduce vines, after Once every 30cm tied vines, the growing trend, you can use twists and turns tied vines to control growth. Seven, fertilizer and water management stand watermelon due to the density, the amount of fertilizer required. In the regimental period, top-dressing vine spread fertilizer, Mushi urea 10kg, imported three-element compound fertilizer 20kg, potassium sulfate 20kg, along the two sides of the planting mulch film, open deep 10cm, width 10cm of fertilization ditch, fertilizer and mix well after uniform application Into, after fertilization, mix well with soil and then cover soil. When the size of the walnuts is stabilized after the melon seats are established, the urea 5--7kg and the potassium sulphate 10kg will be treated with water. When the melon mouth is large, a further expansion of the melon will be applied. VIII. Main pest and disease control Seedling stage control Blight and damping-off disease. The key to growth prevention is aphid and virus disease in the early stage of growth. After the vine, it must also focus on prevention and control of Spodoptera exigua, Fusarium oxysporum, Fusarium wilt, Blast disease, Anthracnose. Wait. Take prevention as the mainstay, carry out comprehensive agricultural prevention and control, implement crop rotation, cultivate strong seedlings, strengthen fertilizer and water management, enhance plant disease resistance, and use chemical control.
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