Although many organic farmers rely on white and red clover to provide fertility, there are many more leguminous species available with interesting traits. In the third part of a series of articles on lesser-known legumes (first published in the Organic Grower) Dr. Thomas Döring and Louisa Winkler review two species; Black medic (Medicago lupilina) and lucerne (Medicago sativa), using information from the literature and the Legume LINK project, which was led by the Organic Research Centre from 2008 to 2012.
