Field investigation was carried out to study the effect of nutrient and weed management practices on growth and yield of soybean [Glycine max (L.)] in alluvial soil of Bihar during kharif season 2016. The experiment was laid out in split-plot design having five nutrient levels in main plot and four in weed management practices in subplot. Application of 50% RDF along with t FYM/ha and Vermicompost t/ha recorded significantly higher plant height ( cm), dry weight/plant ( g), No. of leaves/plant (), leaf area index at 60 DAS (), No. of root nodules/plant at 30 DAS () and 60 DAS (), No. of pods/plant (), No. of grain/pod (), grain yield ( q/ha) and straw yield ( q/ha) over rest of the treatments but was statistically at par with 50% RDF + 5 t FYM/ha. In weed management practices, hand weeding twice at 25 and 45 DAS recorded significantly higher plant height (), dry weight/plant ( g), No. of leaves/plant (), leaf area index at 60 DAS (), No. of root nodules/plant at 30 DAS () and 60 DAS (), No. of pods/plant (), No. of grain/pod (), 100-grain weight ( g), grain yield ( q/ha) and straw yield ( q/ha) over control but was at par with Pendimethalin kg/ha (Pre-emergence) + one hand weeding at 40 DAS and Pendimethalin kg/ha (Pre-emergence) + imazethapyr 55 g/ha (Post-emergence) at 25 DAS. | Effect of nutrient and weed management on growth and yield of soybean [Glycine max (L.) Merrill] in alluvial soil of Bihar, India