Yield Gap Analysis of Toria under Cluster Front Line Demonstration in Plain Belt of West Garo Hills, Meghalaya, India

Abstract

Background and Aims: Toria being a major oilseed crop cultivated extensively in the plain belt of West Garo Hills (WGH) district during rabi season yield less due to use of local variety and traditional cultivation practices. Hence, the study was undertaken to bridge the yield gap and promote improved cultivation practices using high yielding variety TS-36. Study Design: Randomised Block Design. Place and Duration of the Study: The study was carried out for two years (2023-25) in three adopted villages of WGH district namely Haripur, Garodubi and Namabila. Methodology: Cluster Front Line Demonstrations (CFLDs) on rapeseed(toria) was conducted during rabi season in three adopted villages covering an area of 168 ha with participation of 111 farmers in the year of 2023-25. The improved variety TS-36 (sourced from AAU, Jorhat,Assam) was demonstrated under scientific management with technical support from KVK scientists at farmers field and compared with local variety cultivated under traditional cultivation practices (Farmer’s practice). Additionally, statistical analysis like physical parameters of the crops, technology gap, extension gap, technology index and economics were computed to assess the performance and adoption of the demonstrated technology. Results: The productivity and economic returns under improved technologies were assessed and compared with farmers' traditional practices. The average yield from the demonstrated plots was 9.95 q/ha and local variety was 7.40 q/ha, reflecting a 34.45% increase in toria productivity. Technology gap and technology index of 2.05 q/ha and 17.08%, respectively, indicates the scope for further improvements in achieving the full potential of the adopted variety. Additionally, the extension gap of 2.55 q/ha highlights the need for enhanced awareness and training programs to encourage the adoption of improved technologies among farmers. Conclusion: Significant increase in yield over local variety clearly established its good adaptability and agronomic superiority in the plain belt of WGH as well as suitability for large scale adoption. Additionally, strategic promotion of this variety can facilitate its horizontal expansion and commercialization, thereby enhancing oilseed productivity in this region and improving farm income as well.