Stephen Loss¹, David Feindel¹, Rolf Sommer², Atef Haddad³, Yaseen Khalil³ and Colin Piggin⁴, (1)DSIPS, ICARDA, Amman, Jordan, (2)Soils Program, CIAT - Intl Center for Tropical Agriculture, Nairobi, Kenya, (3)1International Center for Agricultural Research in Dry Areas, Aleppo, Syria, (4)Australian Center for International Agricultural Research, Canberra, Australia