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Probability analysis of rainfall for planning water harvesting and irrigation in semi arid region of Uttar Pradesh

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Title Probability analysis of rainfall for planning water harvesting and irrigation in semi arid region of Uttar Pradesh
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Creator K. K. Sharma
S. K. Dubey
 
Subject Probability analysis, Rainfall, Rainy days, Monsoon, Irrigation , Water harvesting
 
Description Not Available
The present study was carried out for analyzing the rainfall under changing
climatic scenario for better planning of farming practices in semi arid region of
Uttar Pradesh. Analysis showed that there was a decreasing trend of rainfall as
well as rainy days during last decade (2000-2010). Occurrence of frequent long
dry spell of 10-15 was recorded during the period, indicated the need of
construction of water harvesting structures for life saving irrigation for the
survival of crops. Probability analysis showed that occurrence of probable
rainfall was of 440.0 mm, 26.5 mm, 11.9mmand 508.0mm respectively for the
kharif,rabi , summer season and annual at 76% confidence level, the occurrence
of rainy days was found to be 30, 21, 2 and 1 day for the annual,kharif ,rabi and
summer season, respectively. Probability analysis of rainfall revealed that
selection of less water demanding crops such as green gram, pearl millet, and
guar in kharifseason. The onset of effective monsoon on 5 July is assured at 80
%probability, dry sowing ofkharif crops can be undertaken during last week of
June to take the advantage of such rainfall distribution. There is 85% probability
that there would be no rain after 15 September so limited chances of receiving
adequate amount of moisture at the root zone level for proper germination ofrabi
crops. This also demanded that duringkharif , short duration varieties of
crops should be chosen so that they mature by 37 standard week. Forrabi
crops, early sowing or pre sowing irrigation through water harvesting in ponds
and recycling is very good strategy for proper germination of rabicrops like
mustard, lentil and barley.
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Date 2020-03-05T08:37:35Z
2020-03-05T08:37:35Z
2013-03-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/33565
 
Language English
 
Relation Not Available;
 
Publisher Not Available