Full Length Research Paper
Authors
Abebe Yadessa
Center for Development Studies, University of Bonn, Walter-Flex-Str. 3, D-53113, Bonn, Germany.
Juergen Burkhardt
Institute of Plant Nutrition, University of Bonn, Karlrobert-Kreiten-Str. 13, D-53115, Bonn, Germany.
Endashaw Bekele
College of Natural and Computational Sciences, Addis Ababa University, P. O. Box 28513, Addis Ababa, Ethiopia.
Kitessa Hundera
Department of Horticulture and Plant Sciences, Jimma University, P. O. Box 307, Jimma, Ethiopia.
Heiner Goldbach
Institute of Plant Nutrition, University of Bonn, Karlrobert-Kreiten-Str. 13, D-53115, Bonn, Germany.
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