TI - Earthworm (Pontoscolex corethrurus) and organic matter effects on the reclamation of an eroded oxisol PY - 1999 AU - Sparovek, Gerd AU - Lambais, Marcio Rodrigues AU - Silva, Álvaro Pires da AU - Tormena, C. A. T2 - International Symposium on Earthworm Ecology J2 - Pedobiologia PP - Jena VL - 43 IS - 6 SP - 698-704 ER -