Reprinted from Nutrient cycling in agroecosystems, vol.50, nos.1-3 (1998)
Soil and water quality at different scales : proceedings of the workshop "Soil and water quality at different scales", held 7-9 August 1996, Wageningen, The Netherlands. ISBN 0792349946. Published by Kluwer Academic in 1998. Publication and catalogue information, links to buy online and reader comments.