Weathering intensity and trace elements (Ni, Sr, Zn, and Cr) distribution in Vertisols developed on basalt in a semiarid environment: agronomic implications - Eze, Peter N.; Ebouel, Ferdinand J. Dina; Nkonga, Itumeleng; Musiol, Antje; Schleicher, Anja M.; Günter, Christina; Norra, Stefan (Frontiers in Soil Science, 2025)