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Statistical modeling of weekly rainfall data for crop planning in Bundelkhand region of Central India

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Title Statistical modeling of weekly rainfall data for crop planning in Bundelkhand region of Central India
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Creator Alam NM, Ranjan R, Adhikary PP, Kumar A, Mishra PK and Sharma NK
 
Subject Anderson Darling test, Bundelkhand, Crop planning, Maximum likelihood estimation, Probability distribution
 
Description Not Available
The historical rainfall data for the period of 46 years (1968-2013) of Datia district in Bundelkhand were analysed for selection of most appropriate probability distribution of rainfall. The best distribution among different data sets has been identified using probability plot and Anderson-Darling (AD) test for goodness-of-fit, along with the appropriateness of estimated percentiles. From the analysis, it was found that one single probability distribution has not been found appropriate to represent all the datasets though Weibull and Gamma distributions were found promising for most of the datasets. The best-fit distribution has been employed for obtaining the assured quantum of rainfall pertaining to Standard Meteorological Weeks (SMWs) (24-42) at various probability levels. Minimum assured rainfall at 40-50% probability level was found to be in close agreement with the long-term average weekly rainfall data. The minimum assured rainfall of 20 mm and more are expected from SMW27 onwards at 70% probability. This indicated that the sowing of kharif crops has to be done during the SMW 27 for maximum utilization of rain water.
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Date 2017-03-22T07:30:31Z
2017-03-22T07:30:31Z
2016-08-01
 
Type Research Paper
 
Identifier Alam NM, Ranjan R, Adhikary PP, Kumar A, Mishra PK and Sharma NK (2016) Statistical modeling of weekly rainfall data for crop planning in Bundelkhand region of Central India. Indian Journal of Soil Conservation. 44(3): 336-342
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http://krishi.icar.gov.in/jspui/handle/123456789/3204
 
Language English
 
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Publisher Not Available