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Bonnet, P.Baptiste, J.S.Pin, R.[Spatio-temporal distribution of veterinary service demand in the Addis Ababa, Ethiopia, milk shed using geographical information system and multivariate analysis]Spatio-temporal distribution of veterinary service demand in the Addis Ababa, Ethiopia, milk shed using geographical information system and multivariate analysis

Although soil fertility is recognized as a primary constraint to agricultural production in developing countries, use of fertilizer in Sub-Saharan Africa is declining. Smallholder farmers still rely heavily on livestock manure for soil fertility management. To explore the determinants of soil f...


Staal, Steven J.Romney, D.L.Baltenweck, IsabelleWaithaka, M.M.Muriuki, H.Njoroge, L.[Spatial analysis of soil fertility management using integrated household and GIS data from smallholder Kenyan farms]Spatial analysis of soil fertility management using integrated household and GIS data from smallholder Kenyan farms

La polilla de la papa Phthorimaea operculella (Zeller) (Lepdidoptera: Gelechiidae) ha co-evolucionado en el centro de origen de la papa en los Andes de Perú y Bolivia. Se ha convertido en una especie invasiva y está reportada en más de 90 países. Se encuentra en casi todos los sistemas de producc...


Kroschel, J.Sporleder, M.Juarez, H.Tonnang, Henri E.Z.Carhuapoma, P.González, J.C.[Como el cambio climatico afectara la distribucion y abundancia de la polilla de la papa: Un analisis utilizando modelos fenologicos y sistemas de informacion geograficas.]Como el cambio climatico afectara la distribucion y abundancia de la polilla de la papa: Un analisis utilizando modelos fenologicos y sistemas de informacion geograficas.

Williams, D.E.Williams, K.A.Damme, V. vanAzurdia Perez, C.Jarvis, AndyCastaño, Silvia Elena[Presentacion del atlas guatelmalteco de parientes silvestres de las plantas cultivadas]Presentacion del atlas guatelmalteco de parientes silvestres de las plantas cultivadas

Although soil fertility is recognized as a primary constraint to agricultural production in developing countries, use of fertilizer in Sub-Saharan Africa is declining. Smallholder farmers still rely heavily on livestock manure for soil fertility management. To explore the determinants of soil fer...


Staal, Steven J.Romney, D.L.Baltenweck, IsabelleWaithaka, M.M.Muriuki, H.Njoroge, L.[Spatial analysis of soil fertility management using integrated household and GIS data from smallholder Kenyan farms]Spatial analysis of soil fertility management using integrated household and GIS data from smallholder Kenyan farms
Bolaños, S.Oberthür, Thomas[Technical implications of land monitoring projects using remote sensing data in Central America for natural resource management]Technical implications of land monitoring projects using remote sensing data in Central America for natural resource management
Barona, ElizabethGirón, E.Feistner, KLDwyer, J.L.Hyman, Glenn[Método de procesamiento de imágenes MODIS para Colombia]Método de procesamiento de imágenes MODIS para Colombia

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