Zinc solubilizing bacteria produce organic acids and convert the insoluble zinc sulfide, Zinc oxide and Zinc carbonate into available Zn+ by lowering the soil Ph and breaking down the complexity and increasing the crop yield and soil health. Dosage: 1Lit/Acre. Anneo Zn (Zinc Solubilizing Bacteria) Powder Same as above, Dosage: 5Kgs/ ACRE, Soil Application: By Broadcasting method