title: BMSS ISO-SIG (27-28 April), SIMSUG 2010 (28-30 April) and SIBAE (28-29 April 2010), University of Exeter, UK.
authors: Sustainable Soils and Grassland Systems Department, Rothamsted Research North Wyke, Okehampton, Devon EX20 2SB, UK. roland.bol@bbsrc.ac.uk
authors: Roland
authors: R
authors: Bol