ROOHI et al. 2024. Effect of inorganic and organic nitrogenous sources on soil fertility, nutrient uptake and economics of paddy (Oryza sativa) crop in Indo-Gangetic plains. The Indian Journal of Agricultural Sciences. 94, 6 (Jun. 2024), 638–643. DOI:https://doi.org/10.56093/ijas.v94i6.147050.