Dissolution of Potassium from Silicate Mineral by Aspergillus strain
- 1Department of Microbiology and Biotechnology, University School of Sciences, Gujarat University, Ahmedabad 380009., Gujarat, India
- 2Department of Microbiology and Biotechnology, University School of Sciences, Gujarat University, Ahmedabad 380009., Gujarat, India
- 3Department of Microbiology and Biotechnology, University School of Sciences, Gujarat University, Ahmedabad 380009., Gujarat, India
- 4Department of Microbiology and Biotechnology, University School of Sciences, Gujarat University, Ahmedabad 380009., Gujarat, India
Int. Res. J. Environment Sci., Volume 5, Issue (2), Pages 63-66, February,22 (2016)
Potassium (K) is the third most important macronutrient for plant growth and development. It is an essential nutrient of life on earth. It plays very important role in physiological and biochemical processes but the concentration of available potassium is very low below 2%. Soil of many areas of India have shown K deficiency .Agricultural practices, water runoff, erosion and leaching reduces the K availability in soil. In India resources of mineral particularly insoluble potassium are present in huge amount so they can be utilized as K fertilizer by application to the agricultural area. As a conventional process such as roasting, smelting etc involve high energy consumption and causes pollution. Biohydrometallurgy:bioleaching is emerging a natural choice for extraction of metals from minerals. The aim of the study was to isolate K solubilizing fungi, for which various rhizospheric soil samples were collected. From these samples total 25 fungal isolates were obtained, which were screened for K solubilization on Aleksandrov agar plates. Out of these, Isolate SDS7, an Aspergillus strain, showed zone of solubilization of 15 mm was selected. Parameter such as particle size of the mineral, pulp using particle of <44 µm size resulted in 28 ppm solubilization after 21 days of incubation. When pulp density was increased from 0.5% (w/v) to 0.8% (w/v) to 1% (w/v) gave 42 ppm and 53 ppm solubilization in 21 days at pH 6 with 10×107 spores / ml inoculum size. Qualitative and quantitative essay of organic acid detection was carried out by standard method showed maximum production of citric and tartaric acid which could be responsible for the K solubilization.
- Maurya B.R., Meena V.S. and Meena O.P. (2014)., Influence of Inceptisol and Alfisol’s PotassiumSolubilizing Bacteria (KSB) isolates on release of K fromwaste mica, Vegetos, 27(1), 181–187.
- Epstein E. and Bloom A.J. (2005)., Mineral nutrition ofplants: principles and perspectives. Sinauer Associates;2nd edition, Sunderland, MA.
- Maqsood M., Shehzad M.A., Wahid A. and Butt A.A.(2013)., Improving drought tolerance in maize (Zea mays)with potassium application in furrow irrigation systems, Int. J. Agric. Biol., 15, 1193–1198.
- Pettigrew W.T. (2008)., Potassium influences on yieldand quality production for maize, wheat, soybean andcotton, Physiol. Plant, 133, 670–681.
- Romheld V. and Kirkby E.A. (2010)., Research onPotassium in Agriculture: Needs and Prospects, Plantand Soil, 335, 155-180.
- Shanware A., Trivedi M. and Kalkar S. (2014)., Potassium Solublisers: Occurrence, Mechanism andTheir Role as Competent Biofertilizers, InternationalJournal of Current Microbiology and Applied Sciences,3(9), 622-629.
- Li Q., Li Z. and Huang Y. (2007)., Status of potassiumstudies and approaches to improving potassium contentin tobacco leaves in China., Agric. Sci. Technol., 35, 452–455.
- Anonymous. (2003)., Information on Horticulture andVarious Crops. Directorate General Production ofHorticulture and Various Plants, Jakarta Indonesia.
- Blum J.D., Klaue A., Nezat C.A., Driscoll C.T., JohnsonC.E., Siccama T.G., Eagar C., Fahey T.J. and Likens G.E.(2002)., Mycorrhizal weathering of apatite as animportant calcium source in base-poor forest ecosystems, Nature, 417, 729–731.
- Weiner S. and Dove P.M. (2003)., An overview ofbiomineralization processes and the problem of the vitaleffect, Reviews in Mineralogy and Geochemistry, 54, 1-29.
- Nahas E., Banzatto D.A. and Assis L.C. (1990)., Fluorapatite solubilization by Aspergillus niger in vinassemedium, Soil Biol. Biochem., 22, 1097-1101.
- Vassileva M., Vassilev N. and Azcón R. (1998)., Rockphosphate solubilization by Aspergillus niger on olivecake-based medium and its further application in a soilplantsystem., World Journal of Microbiology andBiotechnology, 14, 281-284.
- Ullman W.J., Kirchman D.L. and Welch S.A. (1996)., Laboratory evidence for microbially mediated silicatemineral dissolution in nature., Chemical Geology. 132,11–17.
- Friedrich S., Platonova N.P., Karavaiko G.I., Stichel E.and Glombitza F. (1991)., Chemical and microbiologicalsolubilization of silicates, Acta Biotechnology, 11, 187-196.
- Aleksandrov V.G., Blagodyr R.N. and Iiiev I.P. (1967)., Liberation of phosphoric acid from apatite by silicatebacteria, Mikrobiyol Zh (Kiev), 29, 111-114.
- Sheng X.F., Huang W.Y. and Yin Y.X. (2003)., Effects ofapplication of silicate bacteria fertilizer and its potassiumrelease., Journal of Nanjing Agricultural University 23,43–4.
- Lynn T.M., Win H.S., Kyaw E.P., Latt Z.K. and Yu S.S.(2013)., Characterization of phosphate solubilizing andpotassium decomposing strains and study on their effectson tomato cultivation., International Journal ofInnovation and Applied Studies. 3(4), 959- 966.
- Sindhu S.S., Gupta S.K. and Dadarwal K.R. (1999)., Antagonistic effect of Pseudomonas spp. on pathogenicfungi and enhancement of plant growth in green gram(Vigna radiata), Biology and Fertility of Soils, 29, 62-68.
- Zhang C.S. and Fanyu K. (2014)., Isolation andidentification of potassium solubilizing bacteria fromtobacco rhizospheric soil and their effect on tobaccoplants, Applied Soil Ecology, 82, 18-25.
- Williams P.J. and Cloete T.E. (2010)., The production anduse of citric acid for the removal of potassium from theiron ore concentrate of the Sishen Iron Ore Mine, SouthAfrica, S Afr J Sci., 106(3/4), 1-5.
- Girgis M.G.Z., Khalil H.M.A. and Sharaf M.S. (2008)., In-vitro evaluation of rock phosphate and potassiumsolubilizing potential of some Bacillus strains, Aus TJBasic Appl. Sci., 2(1), 68–81.
- Han H.S. and Supanjani Lee K.D. (2006)., Effect of coinoculationwith phosphate and potassium solubilizingbacteria on mineral uptake and growth of pepper andcucumber, Plant Soil Environ., 52, 130–136.
- Meena V.S., Maurya B.R. and Verma J.P. (2014a)., Doesa rhizospheric microorganism enhance K+ availability inagricultural soils?, Microbiol. Res., 169, 337–347.
- Stillings L.L., Drever S.L., Brantley Y.S. and Oxburgh R.(1996)., Rates of feldspar dissolution at pH 3–7 with 0–8mM oxalic acid, Chem. Geol., 132, 79–90.
- Meena V.S., Maurya B.R. and Bahadur I. (2015)., Potassium solubilization by bacterial strain in wastemica, Bangladesh, Journal of Botany, 43(2), 235-237.