Citation | Umair, M., M. Naeem, A. Jamil and M. Younas. 2023. Comparative potential of different modified biochar sources on the ionic composition of soil and stress mitigation in maize under saline-sodic conditions. Sarhad Journal of Agriculture, 39(1): 156-165. DOI | https://dx.doi.org/10.17582/journal.sja/2023/39.1.156.165