Applying basal fertilizer and skillfully applying topdressing can increase the yield of watermelon and increase the sweetness of watermelon.
Fertilizer base fertilizer to manure, human fecal urine and other farm fertilizer, mixed with a small amount of nitrogen, phosphorus and potassium fertilizer. The average medium-fertilizer field uses 3,000 kg of manure per acre, 4 5 5 kg of Fuhl Phosphorus and potassium bacteria, 80 kg of cake fertilizer, 8 to 10 kg of urea, 25 to 30 kg of superphosphate, and 7 to 8 kg of potassium sulfate. After the application of acupuncture or acupoints, soil after application, transplanting melon seedlings. If the soil fertility is too low or too high, the amount of fertilizer should be increased or decreased according to the actual situation.
Lightly apply Miao Fei after live seedlings or after transplanting live trees. Fertilizer should be used in a small amount and with a low concentration. The field with poor soil fertility or insufficient basal fertilization should be fertilized with Fuer 655 or fertilized with diluted fecal water, applied once every 7 to 10 days, and the soil with high fertility, sufficient basal fertility, and prosperous seedlings should not be used. fat.
Qiao Shiman vinegar watermelon spread out, see the melon seedlings growing fertilizer. The medium-sized Shifuer 655 liquid fertilizer per mu contains 4 to 6 bags or 3000 kg of manure, 2 to 3 kg of urea, 7 to 8 kg of superphosphate, and 6 to 7 kg of potassium sulfate. The intensive use of basal fertilizers and the use of raised seedlings for the prosperous rice fields can be avoided without adding urea.
Re-apply Swelling melon Swelling melon Fertilizer in two separate applications. The young melons sit firmly and apply once every 7 to 8 days. Each time, use 4 bags of Fuer 655 watermelon special fertilizer and Fuer 655 red fertilization 5 per mu. Kilograms or 1000 kilograms of manure, urea 2 to 3 kilograms, 4 to 5 kilograms of superphosphate, and 3 to 4 kilograms of potassium sulfate.
Appropriate foliar fertilizer watermelon expansion period, spray Fuer 655 watermelon expansion king 30 to 60 ml per mu. When yellow leaves of watermelon and premature aging of de-fertilizer are used, it should be added to Ferveco to spray 1 or 2 times.
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