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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.2017.6(7): 1989-1996
DOI: https://doi.org/10.20546/ijcmas.2017.607.236


Effect of Long-Term Double Rice Cultivation with Different Management Practices on C Sequestration and Economics under Hot Semi-Arid Climate in India
Krishna Chaitanya1*, Shyam Prasad Majumder1, Dhaneshwar Padhan1,Shrikant Badole1, Ashim Datta2, Biswapati Mandal1 and G. Kiran Reddy3
1Bidhan Chandra Krishi Viswavidyalaya, Kalyani-741235, West Bengal, India
2ICAR-Central Soil Salinity Research Institute, Karnal-132 001, Haryana, India
3Professor Jayashankar Telangana State Agricultural University, Jagtial- 505327,Telangana, India
*Corresponding author
Abstract:

Studying the dynamics of soil organic carbon (SOC) is important for understanding the C stabilization into different pools. Carbon sequestration in soils has the potential to curb global warming besides maintaining sustainability of agricultural system under tropical and subtropical climate. Thus, a 14-year old experiment was used to assess the impact of double rice cropping system with manuring and grades of fertilization on SOC sequestration and crop yield sustainability in an Inceptisol in southern India. There was significant decrease (p<0.05) in bulk density with increasing using organics over control. Sole FYM applied plots showed greater amount of C sequestration (3.9 Mg ha-1) followed by RDF+FYM (2.4 Mg ha-1) > RDF (1.1 Mg ha-1) > 150% RDF (1.0Mg ha-1) > fallow (0.3 Mg ha-1), but depleted in 50% RDF (-0.28 Mg ha-1) and control (-1.1 Mg ha-1). The increased dose of fertilization/ N increased amount of C sequestrated, followed sigmoid curve pattern. RDF+FYM treatment showed greater crop yield sustainability with good benefit: cost ratio.


Keywords: Long-term experiment,C sequestration, Bulk density, Benefit:cost ratio
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How to cite this article:

Krishna Chaitanya A., Shyam Prasad Majumder, Dhaneshwar Padhan, Shrikant Badole, Ashim Datta, Biswapati Mandal and Kiran Reddy G. 2017. Effect of long-term double rice cultivation with different management practices on C sequestration and economics under hot semi-arid climate in India.Int.J.Curr.Microbiol.App.Sci. 6(7): 1989-1996. doi: https://doi.org/10.20546/ijcmas.2017.607.236