Soil preparation to do smashing watermelons to choose high-sloping, easy drainage of sandy loam. During the site preparation, the quality organic manure per acre applied was 2500-4000 kg, and the compound fertilizer was 15-20 kg. Then the ridge was raised, the back height was 15-20 cm, the top width was 50 cm, and the bottom width was 60-80 cm. The use of ridge cultivation can prevent the accumulation of water in the field, maintain good permeability of the soil, and make the melon ridge form a large temperature difference between day and night, which is conducive to plant growth, fruit enlargement and sugar accumulation. Immediately before sowing sowing, soaking seeds according to conventional methods. There are two kinds of seeding methods, live broadcasting and nursery. Live in mid-July is appropriate, seedling transplanting is about 10 days earlier than direct seeding, seedbed management is basically the same as spring sowing watermelon, and plants can be planted in 2 leaves. The row spacing planted in a single row was 0.5 m 1.5 m or 0.45 m 18 m; the row spacing planted in double rows was 0.5 m 3 m or 0.4 m 3.6 m, and there were 750 plants per mu. Water and Fertilizer Management The pre-growing period of watermelon is in the high temperature and rainy season. The nutrient grows vigorously and the plants are easy to grow. Therefore, in the use of fertilizer and water should be particularly cautious, Miaofei generally do not apply; extension vinegar infertility or less application; expansion of melon fertilizer more appropriate application, can be combined with water urea urea 7.5-10 kg, potassium sulfate 5 kg, with Keep plants steady and steady. Late to prevent premature aging, can be 0.2% urea or 0.2% -0.3% potassium dihydrogen phosphate root spray fertilizer. The watermelons in the volleying broadcast must be strictly controlled in both the early and late stages, and drainage should be paid attention to in the rainy season. The pruning and slicing of the pruned watermelon is mostly done with double vine pruning, that is, removing the vines, leaving a well-groomed side vine at the base of the quinoa base 3-5, removing the other side vines, and placing the main vines and the side vines. Lead to the same direction. The young vines on the main vine sit and hold 10 to 15 leaves, and the growing point can be removed to control vegetative growth and promote reproductive growth. Assisted pollination of watermelon seedlings in voluptuous watermelon shows high nodes, large intervals, and flowering days and rainy days. Workers must be pollinated every day from 6 to 9 am to promote fruiting.
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