Rainfall Probability Analysis for Crop Planning in Ganjam District of Hirakud Command Area of Odisha, India
DOI:
https://doi.org/10.5281/zenodo.10450052Keywords:
Rainfall, probability analysis, crop planning, command area, HirakudAbstract
This study was under taken in the U.G. thesis work in the Dept. Of SWCE, CAET, OUAT, Bhubaneswar during the year 2018-19.Ganjam district has latitude of 19o23'15''N and a longitude of 85o 03'05''E. The average rainfall at Anugul district is around 1132.7 mm, though it receives high amount rainfall but most of the rainfall occurred during khari .So most of the crops get low yield due to improper crop planning. Thus, this study is proposed to be undertaken with the following objective: Probability analysis of annual, seasonal and monthly rainfall data of Ganjam district. So rainfall data were collected from OUAT, Agril Meteorology Dept. from 2001 to 2017(17 years) monthly, seasonal and annual rainfall was analysed. Probability analysis have been made and equations were fitted to different distributions and best fitted equations were tested. Monthly, Annual and seasonal probability analysis of rainfall data shows the probability rainfall distribution of Ganjam district in different months, years and seasons. It is observed that rainfall during June to Sep is slightly less than 1000 mm and cropping pattern like paddy(110 days) may be followed by mustard is suitable to this region. Also if the kharif rain can be harvested and it can be reused for another rabi crop by using sprinkler or drip irrigation, which will give benefit to the farmers. Annual rainfall of Ganjam district is 1132.7 mm at 50% probability level.
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