Ileana Iocola1, Daniele Antichi2, Bruno Basso3, Antonio Berti4, Luca Doro5, Carlo Grignani6, Armen R. Kemanian7, Marco Mazzoncini2, Laura Mula1, Roberto Orsini8, Giovanna Seddaiu9, Francesco Tei10, Domenico Ventrella11 and Pier Paolo Roggero12, (1)Desertification Research Centre, University of Sassari, Sassari, Italy, (2)Department of Agricultural, Food and Agro-Environmental Sciences, University of Pisa, Pisa, Italy, (3)Earth and Environmental Science, Michigan State University, East Lansing, MI, US, (4)Department of Agronomy, Food, Natural resources, Animals and Environment-DAFNAE, University of Padova, Legnaro, Italy, (5)Blackland Research and Extension Center, Texas A&M AgriLife Research, Temple, TX, (6)Department of Agricultural, Forest and Food Sciences -DISAFA, University of Turin, Grugliasco, Italy, (7)Pennsylvania State University, University park, PA, (8)Department 3A, Polytechnic University of Marche, Ancona, Italy, (9)Department of Agricultural Sciences and Desertification Research Centre, University of Sassari, Sassari, Italy, (10)Department of Agricultural, Food and Environmental Sciences, University of Perugia, Perugia, Italy, (11)Cropping Systems in Dry Environments, Council for Agricultural Research and Economics - CREA-SCA, Bari, Italy, (12)Department of Agricultural Sciences and Desertification Research Centre, University of Sassari, Sassari, ITALY