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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 (2017)
[Effective from January 1, 2017]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
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 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(11): 1623-1632
DOI: https://doi.org/10.20546/ijcmas.2018.711.184


Impact of Climate Change on Productivity of Tropical Rice-Wheat-Jute System under Long Term Fertilizer Management in Alluvial Soils
A.K. Singh*, D. Barman, M.S. Behera, S.P. Mazumdar, A.R. Saha and D.K. Kundu
Crop Production Division, ICAR-Central Research Institute for jute and Allied Fibres (CRIJAF), Barrackpore, Kolkata-700120, West Bengal, India
*Corresponding author
Abstract:

Variability in climate regimes of rainfall and temperature is a source of biotic and abiotic stresses in agricultural systems worldwide. This study examines seasonal and annual rainfall and temperature variability in rice, wheat and jute crop productivity for five decades (1972–2012) under long-term fertilizer experiment in alluvial soils of eastern India. The climatic variations and impacts were captured using a standardized precipitation index (SPI), diurnal temperature range (DTR) and crop productivity index (CPI). Overall, the SPI indicated the prevalence of frequent dry and wet periods and DTR recorded a decreasing trend. The multiple regression analysis identified a significant correlation between CPI, SPI and DTR accounting for yield variability in rice, wheat and jute. Winter wheat was affected most due to changing pattern of rainfall and night temperature. Impact of rainfall variability did not affect rice yield significantly but benefited jute productivity during summer season. Wheat production is at risk due to frequent drought and decreasing temperature. Research on climate smart agricultural practices through environmentally sound and economically feasible technologies is necessary to mitigate the adverse climatic conditions.


Keywords: Climate variability, Rice-wheat-jute production, Alluvial soils, Eastern India
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How to cite this article:

Singh, A.K., D. Barman, M.S. Behera, S.P. Mazumdar, A.R. Saha and Kundu, D.K. 2018. Impact of Climate Change on Productivity of Tropical Rice-Wheat-Jute System under Long Term Fertilizer Management in Alluvial Soils.Int.J.Curr.Microbiol.App.Sci. 7(11): 1623-1632. doi: https://doi.org/10.20546/ijcmas.2018.711.184