The development of integrated crop/livestock production in the low-rainfall areas of Western Asia and North Africa: Overview and achievements of the Mashreq-Maghreb project

afrique du nord agricultural development asia occidental asie occidentale autosuffisance autosuficiencia conduite de la culture crop management cultivo de temporal culture pluviale livestock management manejo del cultivo manejo del ganado north africa project evaluation rainfed farming rendement rendimiento western asia yields