First, the characteristics: The technology is simple and easy, low cost. Using biogas fertilizers, watermelons are sweet, big, yield high, and the market is ahead of schedule. Second, the method 1. Timely sowing in late March sowing, sowing before the selection of seeds for 1 to 2 days, with a plastic bag, into the digester discharge soaking 8 to 10 hours, remove the light rake for about 1 minute, washed germination. Use nutrient soil (a biogas residue plus a piece of soil) to make nutrients. 2. Apply basal fertilizer, timely planting and application of winter base fertilizer, apply 2500 kg of biogas residue fertilizer per acre, spread evenly on the surface of the ridge and then plunge into the soil. When the seedling reaches 6 leaves, plant it. Before planting, apply 1500 Kilograms of biogas residue fertilizer, supplemented by 50 kg of potassium and phosphate fertilizer according to the situation, shallowly dig into the soil. 3. Do a good job in field management Dingmiao live tree after topdressing 1 to 2 times of biogas slurry, about 500 kilograms each time, the concentration should not be too high (1 kg of biogas to 2 kg of water), between the rows of points, melon seedlings after rattan , Reapply a fruit fertilizer, the ratio is 100 kg of cooked cake with 50 kg of biogas manure and 10 kg of potassium fertilizer, open about 10 cm of ditch, after the application of cover soil, the first batch of watermelon after harvest, with diluted biogas slurry for extra-root fertilizer, 7 to 10 days to chase once. Hospital Nitrile Gloves,Exam Nitrile Gloves,Nitrile Gloves Bulk,Medical Hand Gloves Powder Free Puyang Linshi Medical Supplies Co., Ltd. , https://www.linshimedical.com