[1] Univ Bonn, Inst Crop Sci & Resource Conservat INRES, Crop Sci Grp, Katzenburgweg 5, D-53115 Bonn, Germany
[2] MTT Agrifood Res Finland, Plant Prod Res, Mikkeli 50100, Finland
[3] Univ Florence, Dept Agri food Prod & Environm Sci, I-50144 Florence, Italy
[4] Mendel Univ Brno, Dept Agrosyst & Bioclimatol, Brno 61300, Czech Republic
[5] Acad Sci Czech Republ, Global Change Res Ctr, Vvi, Brno 60300, Czech Republic
[6] Leibniz Ctr Agr Landscape Res, Inst Landscape Syst Anal, D-15374 Muncheberg, Germany
[7] Aarhus Univ, Dept Agroecol, DK-8830 Tjele, Denmark
[8] Wageningen Univ, Plant Prod Syst Grp, NL-6700 AK Wageningen, Netherlands
[9] Wageningen Univ, Alterra, Earth Informat, NL-6700 AA Wageningen, Netherlands
[10] James Hutton Inst, Aberdeen AB15 8QH, Scotland
[11] Rothamsted Res, Computat & Syst Biol Dept, Harpenden AL5 2JQ, Herts, England
[12] INRA, UMR Agrosyst & Dev Territorial AGIR 1248, F-31326 Castanet Tolosan, France
[13] Univ Greenwich, Nat Resources Inst, Greenwich, England
[14] Univ Copenhagen, Fac Sci, DK-1168 Copenhagen, Denmark
[15] James Hutton Inst, Dundee DD2 5DA, Scotland
[16] Norwegian Inst Agr & Environm Res, Bioforsk, Tromso, Norway
[17] Wageningen Univ & Res Ctr, Plant Res Int, NL-6700 AP Wageningen, Netherlands
[18] Univ Sassari, Nucleo Ric Desertificaz, I-07100 Sassari, Italy
[19] Univ Sassari, Dipartimento Agr, I-07100 Sassari, Italy
[20] Univ Florida, Agr & Biol Engn Dept, Gainesville, FL 32611 USA