Maulood PM. Determination of Organic Matter by Using Titrimetric and Loss on Ignition Methods for Northern Iraqi Governorates Soils. Al-Nahrain J. Sci. [Internet]. 2022 Oct. 1 [cited 2026 May 22];25(3):1-7. Available from: https://mail.anjs.edu.iq/index.php/anjs/article/view/2445