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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
Publisher : Excellent Publishers
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(4): 1903-1911
DOI: https://doi.org/10.20546/ijcmas.2018.704.218


Chemical Fractions of Iron and Manganese with Different Physico-Chemical Properties in Polyhouse Soils of Himachal Pradesh, India
Ankush Mogta* and Uday Sharma
Department of Soil Science and Water Management, Dr. YS Parmar University of Horticulture and Forestry, Nauni, Solan, India
*Corresponding author
Abstract:

Polyhouse technology has potential to achieve production to the tone of about Four to five times than open cultivation, but gradually soil fertility get exhausted in the period of 5 to 7 years. Micronutrients are one of the essential components of soil system that plays a significant role in balanced plant nutrition. The present study was conducted on 56 soil samples collected from polyhouses of four districts of H.P. to work out the different chemical fractions of iron and manganese and their relation to soil physico-chemical properties. The soil texture varied appreciably from sandy loam, loam to clay loam. Soil pH (1:2), OC (g kg-1) and CEC (cmol (p+) kg-1) found in the range of 5.39 – 7.70, 2.40-28.50 and 4.00-43.59, respectively. Various Fe fractions were present in the relative abundance series of water soluble < exchangeable < easily reducible manganese < carbonate bound < organic matter bound < iron and aluminium oxide < residual fraction. Different forms of manganese were present in the order of water soluble < exchangeable < organic matter bound < carbonate bound < iron and aluminium oxide bound < easily reducible manganese < residual. The residual form contributes the greatest among all other fractions. The soil pH was found to be negatively correlated with various Fe and Mn fractions while OC was found to be positively correlated with various fractions. The various fractions were variably correlated with each other showing their interdependence and forms the major source of available pool of micronutrients in soil.


Keywords: Micronutrients, Fractions, Polyhouse soils
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How to cite this article:

Ankush Mogta and Uday Sharma. 2018. Chemical Fractions of Iron and Manganese with Different Physico-Chemical Properties in Polyhouse Soils of Himachal Pradesh, India.Int.J.Curr.Microbiol.App.Sci. 7(4): 1903-1911. doi: https://doi.org/10.20546/ijcmas.2018.704.218