John Okoth Omondi, French Associates Institute for Agriculture and Biotechnology of Drylands, Ben Gurion University of the Negev, Beer Sheba, Israel, Naftali Lazarovitch, Ben-Gurion Univ of the Negev, Ben-Gurion University of the Negev, Sede Boqer Campus, Israel, Shimon Rachmilevitch, French Associates Institutes for Agriculture and Biotechnology of Drylands, Ben-Gurion University of the Negev. Jacob Blaustein Institutes for Desert Research, Sede boqer, Israel, Uri Yermiyahu, Agricultural Research Organization of Israel, Gilat, Israel, Stephen K. Boahen, International Institute of Tropical Agriculture, Nampula, Mozambique, Pheneas Ntawuruhunga, Southern Africa Hub, International Institute of Tropical Agriculture, Chongwe District, Lusaka Province, Zambia and Eldad Sokolwski, Dead Sea works Ltd, Beer Sheva 84100, Israel