First, use fine varieties. Use popular varieties with high yield, disease resistance, large fruit quality and suitable for local cultivation, such as Fengkang 8, Xiong 8th, Huami 8 and Qinghongbao.
Second, timely sowing, nurturing strong seedlings. Seedlings were planted with nutrients and planted in mid-March. The nutrient soil is composed of half mature soil and half-sieved pig manure, and 0.5 kg of nitrogen, phosphorus and potassium compound fertilizer per cubic meter is mixed. After sun heating, 9 centimeters and 9 centimeters of nutrients are put in, and then the seeds are sowed. Into the nutritional bowl, the depth of about 1 cm, pouring enough water, take a small arch shed insulation. Do not ventilate before emergence, do not remove film, require sunny temperature 28-30 °C, cloudy 25 °C. After the cotyledons have been unearthed, the temperature will be appropriately lowered and the water will be continuously added to the weather. One week before planting, cool the seedlings.
Third, scientific soil preparation, formula fertilization. Before the winter, dig out the high-yield channels in the east-west direction. Focus on fertilization before planting and leveling and hoeing. Generally digging width 1.5 meters, depth 50 centimeters of ditch, excavated ripe soil on the side of the ditch, raw soil on the other side, the raw soil back to the ditch leveling. When filling the ditch, 30 kg of urea per mu, 50 kg of diammonium, 20 kg of potassium sulfate, 10,000 kg of organic fertilizer, watered after mixing, and finally the mature soil fills the ditch to form a 10 cm high ridge for planting.
Fourth, rational dense planting, timely transplanting. On the colonization ridges, 2 planting trenches with 1 cm depth and 15 cm deep were planted with 60-80 cm plant spacing and 330-450 mu plants. After sowing, the seedlings were transplanted with 4 leaves and 1 heart (35-45 days). After planting, a 40 cm wide film was used to cover the mound of mounds with the seedlings as the center to protect the seedlings and promote root growth.
5. Apply topdressing as early as possible and pruning and leaving melons. About half a month after planting, when the main vine grows to 50-60 centimeters, top dressing is combined with watering, 50 kg of ammonium bicarbonate, 50 kg of superphosphate, 50 kg of rapeseed cake, and 15 kg of potassium sulfate. 1.5 kg per plant applied 10 cm below the surface of the plant, 40 cm above the surface soil. Take fruit before the 3 vine pruning, to take "a main and auxiliary" stay Mang method, melon vines grow to 50 cm pressure vines, leaving the first female flower set fruit, the implementation of the head pod melon 1 1 fruit, in order to increase the single fruit weight and commodity rate.
Six, choose a good paste material, grasp the timing of melon. Choosing the right stickers is the key to the successful cultivation of the printed watermelon. In order to be waterproof, anti-light, and non-degumming, color black stickers are the best choice for stickers, and moisture-proof cigarette packs are also available. Using a computer to print festive words or patterns such as "Hi, Hee, Kyouki fortune, Happy Birthday", etc., into various beautiful fonts. You can also use a brush to write on white paper, and then use carbon paper to copy and paste on sticky notes or cigarette cases. Watermelon is in the expansion period from fruit setting to maturity, and it takes 30-32 days for female flowers to open to maturity. Premature labeling can cause font type translocation in the process of watermelon enlargement. Words. Therefore, it should be done 15 days before the immature color change of watermelon. The black sticky word is best affixed to the side of the watermelon and covered with grass shade to prevent the high temperature black heat scalding skin in summer. Cigarette box cutting use white strong wood glue stuck to the upper center of the watermelon, in order to facilitate the rain drainage to prevent degumming. After 15-18 days of labeling, the watermelons will be peeled off during ripening and picking. There will be clear yellow and white clear handwriting on the surface of the melons.
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