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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
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(2): 921-932
DOI: https://doi.org/10.20546/ijcmas.2018.702.116


Influence of Organic Manures and Moisture Regimes on Hydrolysable Forms of Nitrogen in an Acid Soil of Manipur, India
T. Sanahanbi Devi and N. Surbala Devi*
Department of Soil Science and Agricultural Chemistry, College of Agriculture, Central Agricultural University, Imphal-795004, Manipur, India
*Corresponding author
Abstract:

A laboratory experiment was conducted to study the changes in some hydrolysable organic forms of nitrogen in an acid soil treated with different organic manures viz., vermicompost (paddy straw and vegetable waste), farmyard manure (FYM) and biogas manure as nitrogen sources @ equivalent to 50 mg N kg-1 soil at different moisture regimes viz., 40%, 60% and 80% water holding capacity (WHC). Results revealed that irrespective of different organic manure treatments, the significantly higher amount of all the hydrolysable organic nitrogen fractions (hydrolysable NH4+, amino acid, hexosamine and serine + threonine) - N was found at 80% WHC than 40% and 60% WHC. Variable trends of these different organic fractions of N showed that these N forms were affected by moisture regimes. Greater amount of different organic forms of nitrogen were accumulated in organic matter treated system than untreated one irrespective of moisture regimes and incubation period. Among the organic manures, soil amended with vermicompost (paddy straw) showed comparatively greater accumulation of different hydrolysable organic N fractions than other organic manures. The extent of changes in different forms of organic N fractions varied with nitrogen fractions, organic matter and moisture regimes.


Keywords: Organic manure, Moisture regime, Hydrolysable NH4+, Amino acid, Hexosamine
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How to cite this article:

Sanahanbi Devi, T. and Surbala Devi, N. 2018. Influence of Organic Manures and Moisture Regimes on Hydrolysable Forms of Nitrogen in an Acid Soil of Manipur, India.Int.J.Curr.Microbiol.App.Sci. 7(2): 921-932. doi: https://doi.org/10.20546/ijcmas.2018.702.116