“Synergistic Effects of Nano Urea and PSB on Oil Quality, Production and Crop Productivity of Monarda Citriodora in Jammu Region: Synergistic Effects of Nano Urea and Psb on Monarda Citriodora”. 2026. Indian Journal of Experimental Biology (IJEB) 64 (06): 572-78. https://doi.org/10.56042/ijeb.v64i06.27965.