BOOK REVIEWS the Rhizosphere: Biochemistry and Organic Substances at the Soil-plant Interface. 2nd Edition. Edited by R. Pinton, Z. Varanini and P. Nannipieri. Boca Raton, Fl, Usa: CRC Press (2007), Pp. 447, £86.00. ISBN 0-8493-3855-7

Roberto Pinton, Zeno Varanini, Paolo Nannipieri