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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
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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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
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Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(9): 1-19
DOI: https://doi.org/10.20546/ijcmas.2017.609.001


Assessing of Potassium Reserve and their Relationship with Soil Properties in Western Plain of Arid India
Sunil Kumar1*, I.J. Gulati2, S.R. Yadav2, Manisha2, P.C. Moharana1, R.L. Meena1,M.  Nogiya1 and R.S. Singh1
1ICAR-National Bureau of Soil Survey and Land Use Planning, Regional Centre, Udaipur 313001, India
2Swami Keshwanand Rajasthan Agricultural University, Bikaner, Rajasthan 334001, India
*Corresponding author
Abstract:

In order to investigate changes of potassium (K) status in western plain of Rajasthan, two hundred nine surface (0-15cm depth) soil samples were collected from seventeen tehsils of three districts (Bikaner, Churu and Jaisalmer). Soils were in general light in texture and neutral to slightly alkaline in reaction. The OC content of the soils varied from 0.1 to 2.5 g kg-1. H2O-K and NH4OAc-K ranged from 2.9 to 47.1 (mean value 18.3) mg kg-1 and 13.8 to 202.7 (mean value 91.2) mg kg-1, respectively. The HNO3-K and HCl-K varied from 154.4 to 635.5 (mean value 318.7) mg kg-1 and 8.1 to 99.3 (mean value 40.8) mg kg-1, respectively. Highly significant positive relationships amongst various fractions of soil K indicated existence of a dynamic equilibrium between different forms of K. The studied soils had major portion of their K fraction content in lattice-K it contributed about 87.0 to 90.3 % of total-K because of rich K bearing minerals of soils followed by 6.7 to 9.9 % of Non-exch-K and 2.3 to 3.3 % of Exch-K towards total-K. On the basis of nutrient index mostly soils were found medium (68.4 %) in available K.


Keywords: K fractions, Soil properties, Arid India.
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How to cite this article:

Sunil Kumar, I.J. Gulati, S.R. Yadav, Manisha, P.C. Moharana, R.L. Meena, M. Nogiya and Singh, R.S. 2017. Assessing of Potassium Reserve and their Relationship with Soil Properties in Western Plain of Arid India.Int.J.Curr.Microbiol.App.Sci. 6(9): 1-19. doi: https://doi.org/10.20546/ijcmas.2017.609.001