“…Potassium is required for photosynthesis, disease resistance, and fruit production. Among the crops that respond well to potassium are sweet potatoes, potatoes, and bananas [ 122 , 123 ]. The overall results of the study indicate that the high potassium levels in the soils of the Abaya and Chamo Lakes in the South Ethiopian Rift Valley seem to make them generally suitable for crop growth [ 13 , 82 ].…”