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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 (2019)
[Effective from January 1, 2019]
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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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 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(12): 2414-2422
DOI: https://doi.org/10.20546/ijcmas.2017.612.279


Centurial Rainfall Variability in Below Sea Level Farming Region of Kerala, India
P. Shajeesh Jan*, S. Paneerselvam, V. Geethalakshmi, K.P. Ragunath, Ga. Dheebakaran and R. Jagannathan
Agro Climate Research Centre, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India
*Corresponding author
Abstract:

An investigation was made to study the temporal variation in monthly, seasonal and annual rainfall over Kuttanad region, a unique region of India, where farming is practiced below sea level conditions. The region is also signifies the rice bowl of the Kerala state. The long term changes in rainfall during the period from 1901-2015 was determined by Mann - Kendall rank statistics for the trend analysis and linear trend. The variation in annual and seasonal rainfall were also investigated but was not statistically significant. The study revealed that rainfall during January, March and June showed significant decreasing trend while increasing trend in April and September. The increasing rainfall during peak summer period of April favours plantation crop and lowland spice crop and increased rainfall during September was benefit to the Winter rice crop which is the major rice growing season of this region.


Keywords: Rainfall variability, Mann - Kendall rank statistics and trend analysis.
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How to cite this article:

Shajeesh Jan, P., S. Paneerselvam, V. Geethalakshmi, K.P. Ragunath, Ga. Dheebakaran and Jagannathan, R. 2017. Centurial Rainfall Variability in Below Sea Level Farming Region of Kerala, India.Int.J.Curr.Microbiol.App.Sci. 6(12): 2414-2422. doi: https://doi.org/10.20546/ijcmas.2017.612.279