Assessment of Heavy Metals Pollution in the Tigris River Water within Salah Al-Din Province, and Its Suitability for Irrigation Using the Heavy Metal Pollution Index (HPI) and Metal Index (MI). EJAS [Internet]. 2026 Sep. 30 [cited 2026 Nov. 2];18(3). Available from: https://ejs-agri.com/index.php/EJAS/article/view/397