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Potassium is vital component of plant nutrition package limiting crop yield and Quality that performs a multitude of important biological functions to maintain plant growth, Isolation of potassium solubillizers was carried out using feldspar (insoluble potassium) from the soil samples of ceramic industries, on Aleksandrow’s agar medium. From the 14 isolated bacterial isolates 5 bacterial strains were selected which exhibiting highest potassium solubilization on solid medium and characterized on the basis of cultural, morphological and biochemical characteristics. Solubilization of potassium from the potassium aluminium silicate minerals by the selected bacterial strains resulted to the action of different organic acids like Citric, Oxalic, Malic, succinic and Tartric acid.
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