Watermelon boron increase production and quality

Application of boron fertilizer has a promoting effect on the growth and development of watermelon. According to the test, the application of boron fertilizer in watermelon, the rate of increase of 7.4%, an increase of 11.7%, sweetening 0.7 degrees. The application of boron fertilizer is as follows:
1. Base fertilizer. 0.5 ~ 1 kg of borax per acre or 3.5 ~ 7 kg of boron magnesium fertilizer, mixed with appropriate amount of nitrogen, phosphorus fertilizer spread, soil preparation when turned into the soil. Generally do not use furrows or acupuncture, so as to avoid local soil boron concentration is too high and have a toxic effect on watermelon.
2. Top dressing. Foliar spraying with 0.1% to 0.2% borax solution. In addition, 30 grams of borax, 5 grams of calcium chloride, 1 kilogram of sucrose, and 50 kilograms of water can be used. When the watermelon is fully dissolved, it is sprayed at the beginning of the expansion of the watermelon, and 50 to 100 kilograms per acre is sprayed, which can significantly improve the sweetness of the watermelon.
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Posted on October 29, 2023