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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
For more details click here

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Index Copernicus ICV 2018: 95.39
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Int.J.Curr.Microbiol.App.Sci.2017.6(8): 2575-2580
DOI: https://doi.org/10.20546/ijcmas.2017.608.305


An Evaluation of P Adsorption Indices of Some Representative Soils of Chhattisgarh, India
Lalit Kumar Yadav and G.K. Jatav*
Soil Science and Agricultural Chemistry, Indira Gandhi Krishi Vishwavidhyalaya, Raipur-492012, Chhattisgarh, India
*Corresponding author
Abstract:

A laboratory study was undertaken to investigate the P adsorption behavior of three representative soils of Chhattisgarh belonging to the order Inceptisol, Alfisol and Vertisol. Experiment was conducted to examine the “An evaluation of P adsorption indices of some representative soils of Chhattisgarh” phosphorus adsorption were determined from surface (0-15 cm) bulk soil samples each from different sites belonging to three order- Inceptisol, Alfisol and Vertisol were collected from the experimental farm so as to have large variation in their properties and investigated by applying Langmuir and Freundlich adsorption equation to the P adsorption data. The P adsorption at the solid phase was strongly related to its concentration in the solution phase and Vertisol with maximum clay content recorded highest P adsorption at a given equilibrium P concentration indicating that P ions are most tightly held by Vertisol. The identical and high values of R2 both for Langmuir and Freundlich Adsorption Isotherms indicated that the P adsorption data conformed to both isotherms indicating their goodness of fit. The P adsorption maxima ‘b’ was highest for Vertisol followed by Alfisol and Incptisol. The value of Langmuir ‘K’ showed an increasing trend in the same order indicating a high affinity of Vertisol for P, which had resulted in higher value of ‘b’. The value of Freundlich ‘n’ showed a slight increasing trend in the order Vertisol > Alfisol > Inceptisol, whereas, its ‘K’ value showed a decreasing trend in the same order. P adsorption maxima was significantly and positively correlated with pH (r=0.85**), clay (r=0.96**) and silt + clay (r=0.94**), however, the binding energy showed a significant and positive correlation ship with organic carbon (r=0.68*) only. In case of Freundlich Isotherm, however, that there was no significant relationship between Freundlich Adsorption parameters and properties except between the empirical constant ‘K’ and soil pH(r=0.68*).


Keywords: Evaluation of P adsorption, Soils of Chhattisgarh
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How to cite this article:

Lalit Kumar Yadav and Jatav, G.K. 2017. An Evaluation of P Adsorption Indices of Some Representative Soils of Chhattisgarh, India.Int.J.Curr.Microbiol.App.Sci. 6(8): 2575-2580. doi: https://doi.org/10.20546/ijcmas.2017.608.305