Alobaidy S, Essa S. Effects of Different Parent Materials and Toposequence on status and distribution of Iron Oxides in Some Soils of Sulaymaniyah Governorate / Iraq . Iraqi J. Agric. Sci. [Internet]. 2026 Mar. 31 [cited 2026 Jul. 13];57(3):786-9. Available from: https://www.jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/2516