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1. Selection
It is advisable to choose sandy lands with good windproof performance, thick soil layer, pH value of 7.5-8, and salt content of not more than 2%.
2. Site preparation
More options fall to the ground, the flatness is better, the debris must be cleaned up, the former crop should be glutinous rice, wheat.
Second, species selection
The high-altitude and high-cold regions selected varieties with a growth period of 90-115 days, strong growth, good fruit shape, good resistance to storage and transportation, and strong disease resistance. Such as early gold, 86-1, new 86 and other strains.
Third, ditching sowing
1. Ditching
Open the melon ditch more than 10 days before sowing in order to have enough time to sun ditch. Open the north-south ditch, the distance between the two ditch is 3.8 to 4 meters, the width of the ditch is 1.2 meters, the width of the bottom is 0.5 meters, and the depth is 35 to 40 cm.
2. Lamination
The first film, after sowing. The width of the mulch is 60-70 cm. Before soaking, the soaking soaks the sowing zone 30 cm. The water level is guaranteed to be at the same level, and the floating soil on the horizontal line is removed. The membrane is laid on the same horizontal line, and the top is required to occupy more than 2/3 of the width of the membrane. Ensure that the top has 30-40 cm of light, in order to increase the temperature and ensure the emergence rate.
3. Sowing
Generally use on-demand film, open hole sowing, sowing points should be placed 15 cm away from the ditch, sowing depth 3 cm, sowing 2 to 3 seeds per hole. After sowing, it should be filled with water in a timely manner. For lands with large sand, fill the water at any time to preserve the seedlings.
Dingmiao
Determined according to breed characteristics and soil fertility. Plant spacing is 35-45 cm, and 667-m2 seedling protection is 750-850 strains.
Fourth, field management
1. Seedling management
After seeding, seedlings will be reseeded and seedlings will be replanted. When two true leaves are set, the seedlings will be left to stay small and stay strong. At the same time, seedling soil, but also the soil block (5 to 10 cm in diameter) on the wind, blocking the seedlings, wind pressure soil.
2. Pruning
Different pruning methods are adopted according to the fertility level of the plots, and double-vine pruning is generally adopted for plots with good soil fertility, and single-vine pruning is often used for plots with poor soil fertility.
3. Weeding and weeding
The cultivator is carried out 2 to 3 times in front of the irrigation water, and the depth is 15 cm; the weeding work is performed in combination with the cultivator.
4. Dressing
1 The first fertilizer was applied before the seedling stage head water, and the dosage was: 5 kg of diammonium and 3 kg of urea. The fertilization position is between the strain and the strain. Combine fertilization with foliar fertilizer once every 7-10 days.
2 During the fruit enlargement period, the second fertilizer was applied. The dosage was 5 kg of diammonium, 5 kg of urea, and 6 kg of potash.
3 For the land with large sand and poor fertility, the fertilization amount should be increased. After the 2nd water in the melon expansion period, the 3rd top dressing should be carried out to ensure sufficient fertility and to prevent later defertilization.
5. Irrigation
1 In combination with the first topdressing, the headwater should be filled in a timely manner, and the headwater should be slow, and should be 5cm below the sowing belt to ensure that there is sufficient water in the flowering period to increase the rate of sitting. After filling the head water, fill 1 water every 10 to 12 days.
2 Fruit enlargement is the period when nutrients and moisture are most needed. Generally, 4 to 6 days of sand irrigation 1 times water, the water level should be controlled in the melon with 5 cm below, trickle, slow irrigation, it is strictly prohibited on the water to prevent rotten melon.
3 Late irrigation must be a horizontal line below the sowing zone with 20 cm. It is necessary to grasp the sensation and prevent fry and mildew. Water is stopped 7 to 10 days before harvesting.
6. Fold melon, pad melon
When the melons are stenciled, they must be flipped every 7 days, flipped in one direction, flipped one-third of the surface each time, to prevent the appearance of spots, and it is best to use a small wooden stick to lift the melons in a triangular shape.
V. Disease Prevention
Diseases mainly include: bacterial angular spot, downy mildew, Phytophthora capsici, powdery mildew, sunburn, and bacterial blight. Common diseases are bacterial keratoses and Phytophthora. Prevention methods: Prevent the work after the first pruning in 16 to July. 2 The disease should be promptly administered and chlorothalonil can be used. August is also the peak period of melon ripening period and various pathogenic bacteria. This work must be timely, accurate, and measures in place.
6. Harvesting
Harvest in time according to requirements and keep 10 cm T-shaped handles when harvesting.
First, the election site preparation