Get better roi with organic soil nutrients. granuboru00ae is the only pure, 100% water soluble micronutrient that is engineered to meet cropsu2019 boron demands during the growing season. other products and minerals with a lower water solubility fail to meet these demands. as a result, granubor has delivered a greater return on investment (roi)... 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. Micronutrients u2014 including boron, chlorine, cobalt, copper, iron, manganese, molybdenum, nickel and zinc u2014 are needed only in small amounts. before you shop for fertilizer, perform a soil test. you can purchase a home test kit, or send a soil sample to u2026 3,359 boron fertilizer products are offered for sale by suppliers on alibaba, of which nitrogen fertilizer accounts for 46%, organic fertilizer accounts for 24%, and other fertilizers accounts for 6%.