VA mycorrhiza management : a new, low cost, biological technology for crop and pasture production on infertile soils
Réunion Annuele Réseau de Recherche en Alimentation du Bétail en Afrique Occidentale et Centrale = Annual Meeting West and Central African Animal Feed Research Project (5, 1995, Lome, Togo). Résultats = Results 1990-1994
Strategic environmental assessment: an assessment of the impact of cassava production and processing on the environment and biodiversity
