The two micronutrients, iron and zinc were determined as follows. Three plants per variety were harvested at tenth month after planting. Three cassava roots of differ- ent sizes were randomly selected per variety and labeled appropriately. The roots were then washed in tap water to remove soil and dirt, and air dried on a chuxlined surface. The roots were peeled with stainless steel knife and rinsed in distilled water and sliced thinly before drying.