Assessment of front line demonstrations on rapeseed and mustard cv. Rajendra Sufalam in Saran district, Bihar

Abstract

The front line demonstration (FLD) programme on rapeseed and mustard was carried out during 2017-18 and 2018-19 in operational area of Krishi Vigyan Kendra, Manjhi, Saran, Bihar. The plots were selected from different villages (each of 0.3-0.4 ha) from the district. The variety ‘Rajendra Sufalam’was used in both the demonstrated plots and farmer’s field. Fertilizer, herbicides, irrigation application and plant protection measures were taken as per improved package of practices. During the FLD programme, it was found that the seed average yield of rapeseed and mustard was 15.55 q/ha in demonstration field as compared to seed obtained from farmers field (9.88 q/ha). The technology gap was found to be 2.46 q/ha. Average of 5.67 q/ha extension gap and technology index were 13.64%. Two years average benefit-cost ratio of 3.83: 1 was found in demonstrated field as compared to farmer’s practices of 2.74: 1. The significant yield is attributed due to introduction of new variety in FLD mode which facilitated better crop management.