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Multivariate Analysis to Study the Impact of Weather Parameters on Production of Rainfed Crops of Dharwad District

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Title Multivariate Analysis to Study the Impact of Weather Parameters on Production of Rainfed Crops of Dharwad District
 
Creator Suresh Banu Lamani
 
Contributor Ashalatha K.V.
 
Subject Agricultural Statistics
 
Description Present investigation was carried out in different taluks of Dharwad district to study
the impact of weather parameters on rain fed crops by using multivariate analysis. Secondary
data on area, production and weather parameters viz., rainfall, temperature and relative
humidity were collected from different sources. Among the different models, polynomial
models were found to be suitable for weather parameters for all the taluks of Dharwad
district.
The Mann-Kendall test was used to study the trend of weather parameters. In case of
rainfall, though on an average July month receives the maximum rainfall, distribution of
rainfall is such that it slowly declines till mid of October. July peak reduced in last decade.
For temperature though on an average all most all months received maximum temperature,
July month experienced increased trend in last decade.
Multiple linear regressions indicated that only area and rainfall were contributing
significantly to the production of rain fed crops, but relative humidity was also contributing
significantly to the production of Paddy crop in case of Dharwad taluk.
The transitional probability matrix were depicted a broader idea of change of the
direction of area over a period of last twenty years. It was revealed that the retention of area
was almost similar for all the selected crops in Dharwad taluk except Sorghum crop which
noticed highest retention of area in case of Hubli, Kundagol and Navalgund taluks and Paddy
crop had maximum retention of area in Kalaghatgi taluk.
The highest direct effect was productivity and rainfall in case of Dharwad and
Navalgund taluks. Highest direct effect was rainfall and maximum indirect effect was
temperature in Hubli and Kalaghatgi taluks.
 
Date 2016-11-22T17:04:12Z
2016-11-22T17:04:12Z
2013
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/87103
 
Format application/pdf
 
Publisher UAS, Dharwad