Himachal Journal of Agricultural Research

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Impact Assessment of Rainfall on Area, Production and Productivity of Sesame in Himachal Pradesh


Affiliations
1 Department of Agronomy, Forages & Grassland Management, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176062, India
2 Department of Crop Improvement, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176062, India
 

The present study was carried out to assess the influence of rainfall on the changes in spread, production and productivity of sesame in Himachal Pradesh during past forty years (1968-69 to 2007-08). The year-wise and pentad-wise trend analysis carried out following Mann- Kendall non parametric trend test indicated a significant decrease in area while no trend in production was observed under this crop. The dominance index also exhibited a gradual decrease in sesame area during past four decades. There was 48.7% reduction in area and 26.1% in production while only 1.2% decrease in quantum of rainfall was observed during 8th pentad over 1st pentad. The relationship between percent shift in area, production and productivity vis-à-vis rainfall was not significant. Hence, 41.4% increase in productivity during 8th pentad over the 1st pentad could be attributed to agro-technological interventions including varietal improvement.

Keywords

Sesame, Area, Production, Rainfall, Mann-Kendall Trend Test.
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  • Impact Assessment of Rainfall on Area, Production and Productivity of Sesame in Himachal Pradesh

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Authors

Rajendra Prasad
Department of Agronomy, Forages & Grassland Management, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176062, India
Vedna Kumari
Department of Crop Improvement, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176062, India

Abstract


The present study was carried out to assess the influence of rainfall on the changes in spread, production and productivity of sesame in Himachal Pradesh during past forty years (1968-69 to 2007-08). The year-wise and pentad-wise trend analysis carried out following Mann- Kendall non parametric trend test indicated a significant decrease in area while no trend in production was observed under this crop. The dominance index also exhibited a gradual decrease in sesame area during past four decades. There was 48.7% reduction in area and 26.1% in production while only 1.2% decrease in quantum of rainfall was observed during 8th pentad over 1st pentad. The relationship between percent shift in area, production and productivity vis-à-vis rainfall was not significant. Hence, 41.4% increase in productivity during 8th pentad over the 1st pentad could be attributed to agro-technological interventions including varietal improvement.

Keywords


Sesame, Area, Production, Rainfall, Mann-Kendall Trend Test.

References