Yemen. Agricultural Research and Extension AuthorityMukred, A.Al-Nassiri, M.Sailan, A.2007-11-131999-06-142007-11-131998http://hdl.handle.net/10625/25547Text1 digital file (19 p.)Application/pdfenRESOURCES MANAGEMENTSUSTAINABLE AGRICULTURESEMIARID ZONEMOUNTAINSYEMENENVIRONMENTAL DEGRADATIONFARMING SYSTEMSLAND USEON-FARM RESEARCHTechnical report (executive summary) / Mountain terraces (Yemen) - phase IIIDRC Final Report