%J The Organic Research Centre Bulletin %X In Spring 2009, ORC set up a legume trial on an organic farm, Barrington Park in Gloucestershire, as part of a large research project called Legume LINK. One of its aims is to compare the performance of several legume and grass species for use in fertility building leys. ORC researchers Thomas Döring and Oliver Crowley report that the trial shows the advantage of mixing species grows over time. %V 106 %L orgprints19830 %T Legume Pick ‘n’ Mix %A Thomas F. Döring %A Oliver Crowley %K legume; cover crop; clover; %D 2011 %P 13-14