Buckles, DanielEtèka, Albert C.Osiname, OluGaliba, MarcelGaliano, Norma Graciela2007-11-131998-09-032007-11-131998-070-88936-852-Xhttp://hdl.handle.net/10625/13877Copublished with the International Institute of Tropical Agriculture and Sasakawa Global 2000Parallel text in English and FrenchText1 digital file (291 p. : ill.)Application/pdfenSUSTAINABLE AGRICULTUREPLANT PRODUCTIONSOIL FERTILITYCULTIVATION SYSTEMSLAND CAPABILITYWEST AFRICAGRAIN LEGUMESRICEMAIZETREESON-FARM RESEARCHRESEARCH NEEDSIDRC Book