Soil biota, nutrient cycling, and farming systems / [edited by] M.G. Paoletti, W. Foissner, D. Coleman. - Boca Raton : Lewis Publishers, c1993. - 314 p. : ill., maps. ISBN: 0873719190 (alk. paper) Subjects--Topical Terms: Agricultural ecology.Soil ecology.Plant nutrients.Agricultural systems.Sustainable agriculture.