Summer watermelon cultivation techniques

Summer watermelon yield is high, investment is small, and the efficiency is good. The average per mu output is up to 2500kg, the mu income is 5,000 yuan, and the growing period is 80-100 days. It is suitable for planting in the area below 1,500 meters above sea level. The cultivation techniques include the following:
First, choose the land to be dry, the soil is deep, and there are irrigation conditions. The land that has not been continuously planted in watermelon within three years is planted.
Second, the selection of species with good yield, good quality, disease resistance, early maturing varieties, such as disease-resistant Su Mi, Harvest 1 and Harvest 2 to ensure the purity of the varieties.
3. Before planting, sow deep-turning plots, apply 2,000-2,500kg farmyard fertilizer, and 40-50kg compound fertilizer as base fertilizer at the same time sowing, take 3.0m swathe and open planting, double planting of planting surface, row spacing 1.6-1.8m, ditch width 50cm, depth 25-30cm, surface soil particles as far as possible to play fine, leveling, sorghum slightly higher than the planting line 2-3cm, plant spacing 50cm, playing ponds on demand, sowing 3 seeds per pond, 750-850 per acre pond, using Film cover, sowing time from mid-late March to early April.
IV. Seedling management
1. When the film is to be filmed in time, or when the tip of the seedling will stand on the mulch, select the evening when the sun is going down quickly. Use a knife to cut the mulch against the tip of the seedling to prevent it from burning.
2, Dingmiao
3-4 pairs of leaves when the Dingmiao, leaving a strong seedlings per pond, Dingmiao pay attention to stay small, weak stay strong.
3, after leaving Dendrobium Dendrobium, in addition to the main stem, leaving a lateral branch, the rest of the follow-up with the cut, drainage irrigation along the ditch along the head of the watermelon plant walk in the middle of the surface, after flowering, leaves in the leaves at the 6-7 If the melons on the two strips are one large and one small, then one small one is reserved. If it is the same size, and it is robust and disease-free, there are two distances apart.
4, fertilizer and water management is generally after the film, with decomposing clear water to raise the seedlings, after every 8-10 days Mushi 4-10kg compound fertilizer 5-6 times, seedling, flowering, fruit after the three periods to recover Potassium dihydrogen phosphate is applied once, each time is 1 to 1.5kg/mu, and the amount of fertilizer during seedling stage is small, and the amount of fertilizer during flowering and fruiting period is large. According to the condition of the soil to give irrigation, pay attention to the seedling stage irrigation water can not be on the surface, into the flowering period should be large and large fertilizer, when the surface water temperature can be watering.
5. Diseases and Insect Pest Control Watermelon pests and diseases are less pests and illnesses than spring watermelons. If the rainy season comes early, the main pests and diseases after watermelon fruit set include red spider, aphids, powdery mildew, anthrax, and so on. Based on the measures of prevention and treatment for the main and comprehensive prevention and control, early prevention and early treatment were carried out. In the case of arid climate, no significant diseases and insect pests were found in the watermelon.
Six, timely harvest Harvest time is generally in June, watermelon can be listed after maturity, if you encounter rainy weather, will affect the quality of watermelon.

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