info:oai:orgprints.org:4701info:ofi/fmt:xml:xsd:bookCanaliStefanoCanali, StefanoStopesChristopherStopes, ChristopherSchmidOttoSchmid, OttoSpeiserBernhardSpeiser, Bernhard2005Current Evaluation Procedures for Fertilizers and Soil Conditioners Used in Organic Agriculture. Proceedings of a workshop held April 29–30, 2004 at Emerson College, Great Britainbook