»A . '•* Cm INWU* SLiO J.-.ifrnwd. (.7a'ib!«, Current ME iCTfj II II HIM nil'll III ■> ■ III III— I i l l m i II II 1 ^ 0 & o o Ethiopian Society of Soil Science (ESSS) Improved Natural Resources Management Technologies for Food Security, Poverty Reduction and Sustainable Development Proceeding of the i0thConference of the Ethiopian Society j f Soil Science 25-27 March 2009, ElAR, Audio Ababa, LtSliOpj^