I. Adding Boron Fertilizer According to the experiment, the watermelon with the boron fertilizer is 0.24 meters longer than the watermelon without the boron fertilizer. The flowering period is 3 days earlier, the result rate is increased by 7.4%, the yield is increased by 11.7%, and the sweetening is 0.7 degree. Boron fertilizer can be used as base fertilizer and root dressing on watermelon: 1 base application. Use 0.5 kg to 1 kg of borax per acre, or 3.5 kg to 7 kg of boron and magnesium, or 15 kg to 20 kg of boron mud, mix with appropriate amount of nitrogen and phosphate fertilizer, and turn into the soil when preparing the soil. Generally, no ditch application or acupoint application is adopted to avoid the toxic effect on the watermelon due to the excessive concentration of boron in the local soil. 2 external top dressing. Foliar application with 0.1% to 0.2% borax solution.
Second, the application of watermelon. Watermelon is a new type of special liquid concentrated compound fertilizer for watermelon based on trace elements such as boron, copper, zinc, manganese and cobalt, which are properly formulated with nitrogen, phosphorus, potassium and magnesium. After the application of watermelon, the emergence period can be increased by 1 day, the emergence rate is increased by 10%, the fruit setting rate is increased by 7.7% to 10.1%, the yield is increased by 6.5% to 21%, and the sweetening is 0.69 degrees. Application method: First, soaking seeds with watermelon 300-500 times for 12 hours; second, spraying 200-300 times of watermelon with water in the seedling stage of watermelon, sitting melon and expanding melon, spraying 40 kg in seedling stage In the melon period and the expanded melon period, the spray is 50 kg to 75 kg.
Spraying plant cytokinins Plant cytokinins extracted by industrial fermentation using "5406" antibiotics can promote the formation of chlorophyll and protein synthesis, and improve the photosynthesis and stress resistance of plants. Application on watermelon can increase the rate of sitting melon by 19.5%, increase the sugar content by 0.5 degree to 2 degrees, increase yield by 28.6%, and have the effects of reducing disease and promoting early maturity. Application method: mainly adopt foliar spray, starting from 7 to 8 knots of melons, and spraying once every 7 days to 12 days with 600 to 800 times of liquid, and spraying a total of 3 to 4 times. (Food Business Network)
Second, the application of watermelon. Watermelon is a new type of special liquid concentrated compound fertilizer for watermelon based on trace elements such as boron, copper, zinc, manganese and cobalt, which are properly formulated with nitrogen, phosphorus, potassium and magnesium. After the application of watermelon, the emergence period can be increased by 1 day, the emergence rate is increased by 10%, the fruit setting rate is increased by 7.7% to 10.1%, the yield is increased by 6.5% to 21%, and the sweetening is 0.69 degrees. Application method: First, soaking seeds with watermelon 300-500 times for 12 hours; second, spraying 200-300 times of watermelon with water in the seedling stage of watermelon, sitting melon and expanding melon, spraying 40 kg in seedling stage In the melon period and the expanded melon period, the spray is 50 kg to 75 kg.
Spraying plant cytokinins Plant cytokinins extracted by industrial fermentation using "5406" antibiotics can promote the formation of chlorophyll and protein synthesis, and improve the photosynthesis and stress resistance of plants. Application on watermelon can increase the rate of sitting melon by 19.5%, increase the sugar content by 0.5 degree to 2 degrees, increase yield by 28.6%, and have the effects of reducing disease and promoting early maturity. Application method: mainly adopt foliar spray, starting from 7 to 8 knots of melons, and spraying once every 7 days to 12 days with 600 to 800 times of liquid, and spraying a total of 3 to 4 times. (Food Business Network)
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