Boron participates in the distribution and operation of carbohydrates in plants, promotes the growth of plant meristems, promotes the growth of plant vegetative organs and living organs, promotes plant early maturity, improves quality, enhances plant stress resistance, and is an essential nutrient for plants. one.
The lack of boron in rapeseed will appear "flowers and not real" phenomenon, the symptoms of boron deficiency in celery are "cracking stem disease". The boron deficiency of grape has a great influence on the fruit, resulting in different fruit sizes, and browning of radish and boron.
Boron fertilizer is mainly borax, borax is also called sodium tetraborate, the content is 11%, borax is white translucent fusiform crystal or glassy crystal, odorless, salty. It will gradually weather in the dry air, dissolve in water, and its saturated aqueous solution is alkaline.
Boron fertilizer application method: basic fertilizer is generally 7.5 -10kg per hectare; general concentration of soaking seeds is 0.02% -0.05%, soaking for 4-6h, remove and dry, you can sow; root dressing with 0.1%-0.2 % borax solution is generally required to be sprayed 2-3 times.
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