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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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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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Original Research Articles

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(8): 3779-3789
DOI: https://doi.org/10.20546/ijcmas.2017.608.457


Effect of Long-Term Application of Inorganic and Organics on Soil Aggregate Fractions in Double Rice Cropping System
A. Krishna Chaitanya1*, Shrikant Badole1, Dhaneshwar Padhan1, Shyam Prasad Majumder1 and Ch. Sreenivas2
1Bidhan Chandra Krishi Viswavidyalaya, Kalyani-741235, West Bengal, India
2Acharya N G Ranga Agricultural University, Rajamahendravaram - 533 101, A.P., India
*Corresponding author
Abstract:

Studying the dynamics of soil organic carbon (SOC) is important for understanding the carbon stabilization into different pools. Thus, a 25-year old experiment was used to assess the impact of double rice cropping system with addition of organics and grades of fertilization on labile carbon pools and crop yield sustainability in an Inceptisol in southern India. The total water stable aggregates (WSA) in the experimental soils ranged from 70.4 to 94.9% under different treatments. Geometric mean diameter (GMD) also exhibited similar trend which ranged from 1.32 to 1.42 mm. Aggregate ratio (AR) showed similar trend, with the highest values in soils under FYM treatment (8.76) but lowest values in soil under control (2.40). Application of organics had immense effect on soil aggregation and C sequestration. Mesoaggregates shared the maximum proportion of aggregate associated C (35.8%) followed by fine micro, coarse micro, coarse macro aggregates and silt + clay fractions constituting 26.2, 14.3, 12.5 and 11.2%, respectively.


Keywords: Soil aggregates, mean weight diameter, aggregate associated carbon, and double rice cropping
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How to cite this article:

Krishna Chaitanya A., Shrikant Badole, Dhaneshwar Padhan, Shyam Prasad Majumder and Sreenivas Ch. 2017. Effect of Long-Term Application of Inorganic and Organics on Soil Aggregate Fractions in Double Rice Cropping System.Int.J.Curr.Microbiol.App.Sci. 6(8): 3779-3789. doi: https://doi.org/10.20546/ijcmas.2017.608.457