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Auteur R. Guennelon |
Documents disponibles écrits par cet auteur (2)

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Communication à un Congrès (avec Actes)
F. Sigala ; J.-C. Fies ; R. Guennelon | Bari [Italie] : CIHEAM-IAMB | Options Méditerranéennes : Série A. Séminaires Méditerranéens, ISSN 0253-1542 | 1989Using saline and non saline soils, experiments were conducted to evaluate the role of exchangeable Na+ on physical and mechanical properties of aggregates and clumps. At the same potentials, soils having more than 12.5 per cent ESP showed a high[...]![]()
Communication à un Congrès (avec Actes)
F. Sigala ; J.-C. Fies ; R. Guennelon | Bari [Italie] : CIHEAM-IAMB | Options Méditerranéennes : Série A. Séminaires Méditerranéens, ISSN 0253-1542 | 1989This paper presents useful tests for studying the stability of aggregates, clumps and clump-clusters, related to dispersive water action. Sodic aggregates are not as strong as non-sodic ones, but for both materials the resistance against breakin[...]