Phosphate Solubilizing Bacteria: A potential biotic component for solubilizing phosphate in soil and its application as Biofertilizer: A Review

Abstract

The number of populations is increasing day by day. As populations no is being increased, the demand of food is also increasing simultaneously. Therefore, it’s easy to understand that no. of population growing is directly proportional to the demand of food. To increase the yield of food crops a large amount of chemical fertilizers is used every year. But certainly, these chemical fertilizers can cause long term damage to environment as well as on the bodies of those who will consume the grains also. In that case definitely we have to think some alternatives of chemical or artificial fertilizers. In addition, in spite of presence of sufficient amount of phosphate in soil, plant can’t get the access of phosphate as it forms complex with either inorganic metal ion or various organic compounds. On that note scientists and researchers have studied some microorganisms which can play very significant role in this critical situation. This microorganism live in rhizosphere region of plant and can increase soil fertility by solubilizing phosphate and also help in the development of plant. These are known as Phosphate Solubilizing Bacteria (PSB). This review discussed the different species of PSB, the mechanisms they follow to solubilize phosphate, their role in plant development. This research review also focuses on use of phosphate solubilizing bacteria for sustainable agricultural purpose.