“Mineralogical Characterization of Potassium-Bearing Clay Minerals and Their Implications on K Availability in Calcareous Soils of Sulaymaniyah, Kurdistan: Mineralogical Characterization of Potassium-Bearing Clay Minerals and Their Implications on K Availability in Calcareous Soils” (2026) Academic Journal of International University of Erbil, 3(2), pp. 1120–1128. doi:10.63841/iue3261120.