1. Crop response to fertilizer application in Ethiopia: a review;Abdulkadir,2017
2. Assessment on the status of some micronutrients in Vertisols of the central highlands of Ethiopia;Abera;Int. Res. J. Agric. Sci. Soil Sci.,2013
3. Tef (Eragrostis tef) production constraints on Vertisols in Ethiopia: farmers' perceptions and evaluation of low soil zinc as yield-limiting factor;Bereket;Soil Sci. Plant Nutr.,2011
4. Total nitrogen;Bremner,1982
5. Soil micronutrients status assessment, mapping and spatial distribution of Damboya, Kedida Gamela and Kecha Bira Districts, Kambata Tambaro zone, Southern Ethiopia;Bulta;Afr. J. Agric. Res.,2016