China boron humate manufacturersselect 2020 high quality boron humate products in best price from certified chinese fertilizer manufacturers, iron fertilizer suppliers, wholesalers and factory on made-in-china Soluble foliar boron spray solubor beau-ron225 lb containing boron as b2o3 66% and elemental boron 20.5% borate micronutrient which use as an aid in the prevention of boron deficiency symptoms. where : certain crops (apples, gladiolus, tomatoes and citrus in florida.) compatible with most insecticides. Customer who searched b2o3 also searched: boron oxide manufacturer b2o3, b2o3, b2o3 manufacturers, industrial additive boron oxide, titanium diboron, boron granular b2o3 48%, b2o3 diboron trioxide, boron oxide nanoparticles, men bo more... Boron oxide, the pure form of b2o3, is a hard glassy material, granular in texture. exposed to the atmosphere it slowly absorbs water, reverting to boric acid. it is soluble in water but at a much slower rate than boric acid.