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1Earthworm assemblages as affected by field margin strips and tillage intensity an on-farm approach Earthworm assemblages as affected by field margin strips and tillage intensity an on-farm approachby Crittenden, S. J. autor/a, Huerta Lwanga, Esperanza Doctora autora 2039, Goede, R. G. M. de autor/a, Pulleman, M. M. autor/aTexto bibliotecaECOSUR