A field experiment was conducted during 2018–19 and 2019–20 to assess the influence of precision nitrogen management options in preceding maize (Zea mays L.) on succeeding mustard (Brassica juncea under conservation agriculture sandy loam soil Delhi. The had two main plots with residue (WR) without (WoR) retention four sub-plot treatments N applied {recommended dose (RDN), 33, 50 70% basal RDN ...