Main uses: coating of finished solid fertilizers.manufacture of solution or suspension fertilizers. optimized dissolution at low ambient temperatures and high concentration make soluboru00ae the product of choice.formulation of high performance liquids containing either boron alone or a combination of nutrients for spraying, u2018fertigationu2019 or irrigation. Solubor flow. b 9.6% minimum. solubor flow is the first and only aqueous suspension of sodium borate microcrystals, readily dissolves when added to water, and therefore more effective for agriculture.. learn more u203a Us $140.00-$160.00 alibaba offers 676 borate fertilizer products. about 31% of these are other chemicals, 17% are granulators, and 13% are other fertilizers. a wide variety of borate fertilizer options are available to you, such as agriculture grade, industrial grade, and food grade. (sodium tetraborate, 20.5% b) soluble borate for fluid fertilizers and nutrient sprays. boron is essential for all stages of tree growth and fruit set. alfalfa, clover, brassicas, carrots, celery, corn, lettuce, onions, beets, tomatoes, and tree fruits are particularly sensitive to boron deficiency.may be used in certified organic settings only to correct a documented boron deficiency.