info:oai:icrisat:7242info:ofi/fmt:xml:xsd:journalErkossaTErkossa, THaileslassieAHaileslassie, AMacAlisterCMacAlister, CEnhancing farming system water productivity through alternative land use and water management in vertisol areas of Ethiopian Blue Nile Basin (Abay)Agricultural Water Management0378-37742013132120-128article