Innovative soil-plant systems for sustainable agricultural practices : proceedings of an international workshop organised by the University of Ankara, Faculty of Agriculture, Department of Soil Science, 3-7 June 2002, Izmir, Turkey - Lynch, J. M. (James Michael); Schepers, James S.; Ünver, Ilhami; University of Ankara, Faculty of Agriculture. Dept. of Soil Science (Organisation for Economic Co-operation and Development, 2003)