Phosphate Solubilizing Microorganisms: Promising Approach as Biofertilizers

Table 2

Diversity of organic acid produced by PSMES.

PSM isolates	Organic acids	References
Bacillus sp.	Citric acid, malic acid, succinic acid, fumaric acid, tartaric acid, gluconic acid	[23]
Pseudomonas	Citric acid, succinic acid, fumaric acid, gluconic acid, 2-ketogluconic acids	[3, 23]
Proteus sp.	Citric acid, succinic acid, fumaric acid, gluconic acid	[23]
Aspergillus	Citric acid, gluconic acid, oxalic acid, succinic acid, malic acid, glycolic acid	[29]
Azospirillum sp.	Citric acid, succinic acid, fumaric acid, gluconic acid	[23]
Penicillium sp.	Gluconic acid, glycolic acid, succinic acid, malic acid, oxalic acid, citric acid	[29]
Erwinia herbicola	Gluconic acid, 2-ketogluconic acids	[3]
Thermotolerant acetic acid	Acetobacter, Gluconobacter	[3]