The present study was carried out at KVK, Bhagwanpur Hat Siwan Bihar to know the yield gaps between improved package and practices (IP) under Cluster Font Line Demonstrations (CFLDs) and farmers practices (FP) of rapeseed mustard. The study found, the yield of rapeseed mustard in IP under irrigated condition range from 9.5 to14 ,where as in FP it range between7.5 to 9.5q/ha. The percent increase in yield IP over FP was recorded in the range of 26.67to 55.56.The extension gap and technological index were range between2.00-5.0 q/ha and 54.76percent respectively. The trend of technological gap reflected to farmer cooperation in carrying out demonstrations with on ranging result in subsequent years. The cost benefit ratio was 2.52 and 2.77under demonstration, while it was2.09 to 2.35under control plots. By conducting Cluster Front Line Demonstrations (CFLDs) of proven technologies, yield potential of rapeseed- mustard crop should be enhanced to a great extend with increase in the income level of farming community.

Download this article as