Citation | Sabr, H.A., K.A. Ali. 2026. Air Pollution tolerance and biochemical assessment of urban tree species in erbil, iraq: A comparative study of (Morus alba L. and Melia azedarach L.). Sarhad Journal of Agriculture, 42(2): 1061-1071. DOI | https://dx.doi.org/10.17582/journal.sja/2026/42.2.1061.1071