Profile of Major, Minor and Toxic Metals in Soil and Khat (C atha edulis Forsk) Cultivars in Ethiopia

摘要

Thirteen khat ( Catha edulis Forsk) varieties grown in different regional farms of Ethiopia and the respective soils were analyzed for their contents of major, minor and toxic metals (Ca, Mg, Fe, Mn, Cu, Zn, Co, Ni, Cd and Pb) by flame atomic absorption s