Soil biota, nutrient cycling, and farming systems / M.G. Paoletti, W. Foissner and D. Coleman. Paoletti , M.G. Paoletti, M. G. Foissner, Wilhelm. Coleman, David C., 1938- Agricultural ecology. Soil ecology. Plant nutrients. Nutrient cycles. Agricultural systems. Sustainable agriculture. S589.7 .S635 1993 630.274526404 SOI Includes index and references . Boca Raton : Lewis Publishers, c1993. c1993. 1993 Text 314 p. : http://www.loc.gov/catdir/enhancements/fy0744/93002732-d.html eng