Effects of earthworms on plant production in the tropics

Abstract

l Departamento de Biologfa de Suelos, Instituto de Ecologfa, Xalapa, Mexico; 2Laboratoire d'Ecologie des Sols Tropicaux, IRD, Bondy, France; 31NIA, Estacion Experimental San Ramon, Yurimaguas, Peru/Laboratoire de Pedobiologie, IRD, Dakar, SenegaVBenemerita Universidad Autonoma de Puebla, Centra de Investigaciones en Ciencias Microbiol6gicas, Puebla, Mexico; 6 School of Life Sciences, Sambalpur University, Sambalpur, India; 7Laboratoire B.O.s. T., IRD, Fort-de-France, Martinique; 8Queen Victoria Museum and Art Gallery, Lauceston, Tasmania, Australia; 9 CSIRO Davies Laboratory, Aitkenva le, Queensland, Australia