Zebrowski Claude auteur aut IRD Sanchez B. auteur aut IRD text conferencePaper spa text/pdf reformatted digital access Reclamation and conservation methods for agriculture and reforestation in indurated and eroded volcanic soils are reported. Mechanized methods used specially in the realization of progressive development terraces has lower costs than flat terraces built simultaneously to the sub-soiling. Some reforestation methods used in Mexico have a cost similar to those of reforestation in non indurated soils of Ecuador. (Résumé d'auteur). specialized COUT DE PRODUCTION AGRICOLE AGRICULTURE EROSION LUTTE ANTIEROSIVE DEFRICHEMENT METHODE REFORESTATION SYSTEME DE CULTURE PROPRIETE CHIMIQUE TEPETATE CANGAHUA REHABILITATION DU SOL SOL VOLCANIQUE MEXIQUE EQUATEUR 068EROSOL 098AGRIC Suelos Volcanicos Endurecidos, 3., Quito (ECU), 1996/12/9-14 462-471 Zebrowski Claude ed. edt IRD Quantin Paul ed. edt IRD Trujillo G. ed. edt IRD Villamar M.D. collab. clb IRD Quito (ECU) UE Quito (ECU) ORSTOM Quito (ECU) PUCE Quito UCE 1997 https://www.documentation.ird.fr/hor/fdi:010012927 [F A010012910] https://www.documentation.ird.fr/hor/fdi:010012927 https://horizon.documentation.ird.fr/exl-doc/pleins_textes/pleins_textes_7/divers2/010012927.pdf IRD - Base Horizon / Pleins textes 1998-03-03 2013-07-31 fdi:010012927 fre