Phosphate solubilizing bacteria (PSB) are beneficial bacteria capable of solubilizing inorganic phosphorus from insoluble compounds.
Phosphorus (P) is one of the major essential macronutrients for plants and is applied to soil in the form of phosphate fertilizers.
However, a large portion of soluble inorganic phosphate which is applied to the soil as chemical fertilizer is immobilized and becomes unavailable to plants