How to increase the yield of watermelon by fertilization? Increase the application of boron fertilizer with 0.5~1 kg of borax per acre, or 3.5~7 kg of boron and magnesium fertilizer, mix with appropriate amount of nitrogen and phosphate fertilizer as base fertilizer, or use 0.1% in growing season. Spraying ~0.2% borax solution can increase production by 11% and increase sugar content by 0.7%.
The application of watermelon is soaked with 300~500 times of watermelon, or sprayed with 200~300 times of watermelon in the seedling stage, the melon stage and the expanded stage, which can increase the yield by about 10% and increase the sugar content by 0.7%.
Spraying rare earth fertilizer and spraying rare earth fertilizer Changle Yizhi, can increase yield by about 20%, increase sugar content by 0.6%~1.7%, spray on leaves, spray 3 times in whole growth period, first time in watermelon 5~6 In the leaf stage, the spraying concentration was 0.03%, and the second and third times were in the initial flowering stage and the expanded melon stage, respectively, and the spraying concentration was 0.06%~0.08%.
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