By Agegnehu Getachew   Taye Girma   in SINET: Ethiopian Journal of Science

ISSN:0379-2897|27|1|17-24

Faculty of Science, Addis Ababa, Ethiopia‎(2004)‎

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By Agegnehu Getachew   Sinebo Woldeyesus   in Archives of Agronomy and Soil Science

ISSN:0365-0340|58|1|101-113

Taylor & Francis Ltd‎(2012)‎

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