The experiment was conducted during rabi season of 2015-16 and 2016-17 at District Seed Farm under Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, Nadia, West Bengal with a view to performance of rabi groundnut under polythene mulch and finally to validate the productivity enhancement through inoculation of newly isolated rhizobium. The design of the experiment was split plot with three replications. | Productivity enhancement of rabi groundnut Arachis hypogaea L. under polythene mulching and rhizobium inoculation under new alluvial zone of West Bengal India