Residual alkalinity as tracer to estimate the changes induced by forage cultivation in a non-saline irrigated sodic soil /Barbiéro, Laurent Valles, V. Régeard, A. Cheverry, C. PLANTE FOURRAGERE CULTURE IRRIGUEE DEGRADATION DU SOL ALCALINISATION METHODE DE LUTTE LESSIVAGE PH SODIUM RACINE 2001 text https://www.documentation.ird.fr/hor/fdi:010025843 fdi:010025843 Barbiéro Laurent, Valles V., Régeard A., Cheverry C.. Residual alkalinity as tracer to estimate the changes induced by forage cultivation in a non-saline irrigated sodic soil. 2001, 50, 229-241 EN ZONE SEMIARIDE AFRIQUE DE L'OUEST NIGER