Validation and assessment of economic impact of agro advisories issued based on medium range weather forecast for Uttara Kannada district of Karnataka

摘要

The medium range weather forecast issued from National Centre for Medium Range Weather Forecast (NCMRWF) on various weather parameters and impact of agro advisories issued based on this medium range weather forecast for Uttara Kannada district of Karnataka state during the period from 2000-01 to 2009-10 are discussed in this paper. The usability of different forecasted weather elements was more than 70 per cent in most of the years except for wind direction which was less than 50 per cent in most of the years. Further, the survey data revealed that the forecast and related advisories issued for day to day farm activities were found to be excellent in 30.6 cases and satisfactory in 35.3 cases. The economic impact studies indicated that there was considerable benefit to farmers who adopted the advisories made from Agromet Advisory Service (AAS) Unit, Sirsi.