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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 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2017 - 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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Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(3): 366-372
DOI: https://doi.org/10.20546/ijcmas.2018.703.042


Studies on Boron Fractions with Different Physico-Chemical Properties in more than Ten Year Old Arecanut Plantations
H.C. Nagaveni* and C.T. Subbharayappa
Department of SS & AC, COH, Mudigere - 577132, India
*Corresponding author
Abstract:

A soil survey was conducted in three talluks (Davangere, Channagiri and Honnali) of more than ten year old arecanut plantations of Karnataka to assess status of available boron, its different fractions and its relationship with other properties of soil. Soil analysis for physical and chemical properties revealed that these soils belongs to sandy loam to sandy clay loam texture with neutral to alkaline pH, having low EC with low to medium organic matter (0.09 to 1.56 %) content and cation exchange capacity ranged from 7.55 to 21.38 Cmol (p+) kg-1. The Available boron content was sufficient and varies from 0.12 to 1.02 mg kg-1. Zinc fractions like Rs-B, Sp-B, Ox-B Org-B, Res-B Total were varied from 0.23 -0.89, 0.23- 1.56, 2.12-10.23, 1.13 – 8.56, 46.33 – 212.65 and 56.97 – 233.54 mg g-1. Available B recorded significant, positive correlation with Sp-B, Ox-B, negatively with, Rs-B, Org-B and Total-B but non-significant, negative correlation with Res-B. The oxide bound boron fraction was relatively higher than the readily soluble and specifically adsorbed forms, major portion of boron in soils existed as residual or occluded forms which accounted for 92.9 to 98.9 per cent of total boron.


Keywords: Boron, Organic carbon, pH, Different fractions, Path analysis, Correlation
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How to cite this article:

Nagaveni, H.C. and Subbharayappa, C.T. 2018. Studies on Boron Fractions with Different Physico-Chemical Properties in more than Ten Year Old Arecanut Plantations.Int.J.Curr.Microbiol.App.Sci. 7(3): 366-372. doi: https://doi.org/10.20546/ijcmas.2018.703.042