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. Indian J Exp Biol [Internet]. 2026 Jun. 10 [cited 2026 Jun. 13];64(06):572-8. Available from: https://or.niscpr.res.in/index.php/IJEB/article/view/27965