Citation | Khudhair, M.F., A.B.D.S. Al-Maamouri and S.J.H. Dwenee. 2026. Assessment of pollution indicators and source apportionment of heavy metals in agricultural topsoils of the middle euphrates region, Iraq. Sarhad Journal of Agriculture, 42(1): 430-439. DOI | https://dx.doi.org/10.17582/journal.sja/2026/42.1.430.439