Working Document Series Open Access Soil micronutrient supply and grain quality for human nutrition in selected parts of Morogoro, Tanzania M.L.E. Imakumbili · J.M.R. Semoka · E Semu Soils worldwide have become depleted of micronutrients. This has resulted in an increase in micronutrient deficiency diseases for people consuming micronutrient poor foods as a sole source of nutrition. This study was carried out to determ… RUF-35135 2010 CC BY 4.0 16 Sep 2015