SOLUBILIZATION OF POTASSIUM FROM TWO DIFFERENT INSOLUBLE POTASSIUM SOURCE BY POTASSIUM SOLUBILIZING BACTERIA ISOLATED FROM BANANA RHIZOSPHERE SOIL.
Journal Title: IJAR-Indian Journal of Applied Research - Year 2018, Vol 8, Issue 4
Abstract
Potassium, the vital and important macro nutrient required by plants, is associated with major physiological processes and required in large quantities for a crop to achieve its growth and yield. Plants absorb potassium in its ionic form K+. Feldspars and micas are minerals that contain most of the K. Potassium solubilizing bacteria solubilizes these insoluble form of potassium to soluble forms for plant uptake. Isolation of potassium solubilizer was carried out from banana rhizosphere soil amended with orthoclase feldspar and muscovite mica. Among the six isolates all the isolates were characterized and screened by biochemical tests and three isolates exhibited highest solubilization zone, produced highest amount of organic acids along with significant amount of potassium released. The present study suggest that these three isolates can be used as efficient potassium solubilizer in sustainable agriculture.
Authors and Affiliations
Sanjukta Biswas, M. K. Shivaprakash, Sonia Bohra
Keywords
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