1. Rothamsted ResearchNorth Wyke Okehampton UK
2. BASF SEAPD/S Limburgerhof Germany
3. Rothamsted Research Harpenden UK
4. BASF Environmental Stewardship and Crop Protection Cheadle UK
5. University of Nottingham Sutton Bonington, Leicestershire UK
6. Royal Agricultural University Cirencester UK