Author(s): P. K. BISWAS AND M. K. BHOWMICK

Abstract: A three-year field trial was conducted during kharif season of 2005, 2006 and 2007 at the Pulses and Oilseeds Research Sub-station, Beldanga, Murshidabad, West Bengal to evaluate the performance of different Rhizobium strains on growth, nodulation and seed yield of urdbean. The results revealed that significantly higher seed yields were recorded under Rhizobium strains, namely, PUR 34, BKR 1-04, CRU 7 and UP 3 due to significant improvement in most of the parameters studied, as compared with the others. Basal application of 20 kg N ha-1 also gave significantly the highest seed yield, being 16.32% higher than uninoculated control. Compared with uninoculated control (1023 kg ha-1), yield advantages under seed inoculation with Rhizobium strains PUR 34, BKR 1-04, CRU 7 and UP 3 were 35.09, 30.30, 25.71 and 25.32,respectively (mean of three-year data).

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