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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 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
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.2017.6(9): 449-457
DOI: https://doi.org/10.20546/ijcmas.2017.609.054


Characterization of Biochar and Humic Acid and their Effect on Soil Properties in Maize
P. Madhavi*, V. Sailaja, T. Ram Prakash and S.A. Hussain
Department of Soil Science and Agricultural Chemistry, College of Agriculture, Professor Jayashankar Telangana State Agricultural University, Hyderabad -500030, Telangana, India
*Corresponding author
Abstract:

A field study was carried out at college farm, College of Agriculture, Rajendranagar, Hyderabad, Andhra Pradesh during Kharif 2013 on an Alfisol to characterize the biochar and humic acid and their effect on soil properties along with application of fertilizers in maize crop. Soil had a pH of 7.72, EC of 0.217 dS m-1 and low organic carbon (0.49%). The experiment was laid out in a Randomized Block Design and replicated thrice with three factors comprised of factor-I (fertilizers- 100 % RDF and 75 % RDF), Factor-II (biochar levels- 0, 5 and 7.5 t ha-1) and Factor-III (humic acid levels of 0 and 30 kg ha-1). Biochar application showed a non-significant increase in soil pH. Significantly higher EC was shown when 100% NPK was integrated with biochar @ 7.5 t ha-1¬¬¬¬. Soil CEC was significantly higher when 100% NPK was applied in combination with biochar @ 7.5 t ha-1 and humic acid. Such increase at later stages was not significant. Biochar elucidated a significant increase in organic carbon from 0.51 to 0.62 per cent at 30 DAS when applied at 7.5 t ha-1.


Keywords: Biochar and humic acid, Soil properties, Maize.
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How to cite this article:

Madhavi, P., V. Sailaja, T. Ram Prakash and Hussain, S.A. 2017. Characterization of Biochar and Humic Acid and Their Effect on Soil Properties in maize.Int.J.Curr.Microbiol.App.Sci. 6(9): 449-457. doi: https://doi.org/10.20546/ijcmas.2017.609.054