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Soil productivity and sustainability depends on the building and/or conservation of an adequate and dynamic equilibrium between physical, chemical and biological properties and processes in the volume of soil explored by roots, so that there is no constraints in the availability of water and nutr...


Amézquita Collazos, EdgarSanz Scovino, José IgnacioThomas, Richard J.Vera, Raúl R.Hoyos, P.Molina López, Diego LuisChávez, Luis F.[Características estructurales de los suelos de los Llanos Orientales de Colombia sometidos a varios sistemas de manejo]Características estructurales de los suelos de los Llanos Orientales de Colombia sometidos a varios sistemas de manejo

International Center for Tropical Agriculture[Diagnóstico sobre condiciones socio-económicas y de manejo de recursos naturales en una zona yuquera del norte del departamento del Cauca : Resultados de un trabajo interinstitucional en el municipio de Buenos Aires, corregimientos "Cascajero" y "La Balsa": Encuesta realizada el primer trimestre, 1994]Diagnóstico sobre condiciones socio-económicas y de manejo de recursos naturales en una zona yuquera del norte del departamento del Cauca : Resultados de un trabajo interinstitucional en el municipio de Buenos Aires, corregimientos "Cascajero" y "La Balsa": Encuesta realizada el primer trimestre, 1994

Dvorak, K.A.Jiménez, P.[Guía para el sondeo sobre recursos agrícolas en América Central : reporte interno]Guía para el sondeo sobre recursos agrícolas en América Central : reporte interno

Huising, J.E.Asiedu, K.[Supporting Soil Health Consortia in West Africa - facilitating wider uptake of better adapted ISFM practices with visible positive impacts on rural livelihoods: final narrative report]Supporting Soil Health Consortia in West Africa - facilitating wider uptake of better adapted ISFM practices with visible positive impacts on rural livelihoods: final narrative report

The present study uses georeferenced community level data to study the adoption of improved cowpea in northern Nigeria. One objective of this study is to find out which factors of the community of village level are significant determinants of adoption of improved dual-purpose (DP) cowpea variatie...


Kristjanson, Patricia M.Okike, I.Tarawali, Shirley A.Kruska, R.L.Manyong, Victor M.Singh, B.B.[Evaluating adoption of new crop-livestock-soil-management technologies using georeferenced village-level data: the case of cowpea in the dry savannahs of West Africa]Evaluating adoption of new crop-livestock-soil-management technologies using georeferenced village-level data: the case of cowpea in the dry savannahs of West Africa

This paper discusses the traditional management of vertisols and land-use types the broadbed maker (BBM) and its evolution; Maresha - a traditional plough; additional attachements to the BBM for improving tillage efficiency and resource conservation; the land-use intensification opportunities; an...


Astatke, A.Jabbar, M.A.[Low-cost animal drawn implements for Vertisol management and strategies for land use intensification]Low-cost animal drawn implements for Vertisol management and strategies for land use intensification

The main aim of land preparation is to modify and manipulate the land features so as to create favorable environment for seed establishment and crop growth. The research and Development in this field must take into account the traditional practices used by the farming community. This case study g...


Astatke, A.Jabbar, M.A.[Low cost animal drawn implements for Vertisol management and strategies for land use intensification]Low cost animal drawn implements for Vertisol management and strategies for land use intensification

This chapter discusses the traditional tillage implement and the alternative tillage implements using animal power in Vertisol management. Among the topics of discussion are land shaping equipment; the ridge and furrow system; minimum tillage with BBM attachments; animal drawn scoops; pond excava...


Astatke, A.Mohamed-Saleem, M.A.[Draft animal power for Vertisol management]Draft animal power for Vertisol management

Reports a concerted interinstitutional attempt to generalize the use of the available draught animal power for the construction of more effective soil surface drainage. The hypothesis is that the relatively high productive potential of the Ethiopian highland vertisols, particularly in high-rainfa...


Jutzi, S.C.Mohamed-Saleem, M.A.[Improving productivity on highland Vertisols: The oxen-drawn broadbed maker]Improving productivity on highland Vertisols: The oxen-drawn broadbed maker

This chapter reviews relevant Vertisol properties, experimental results and the overall experience of the project on this subject. There are several types of drainage problems in Vertisols whose magnitude may vary from site to site. Drainage improvement is discussed in relation with camber beds, ...


Srivastava, K.L.Astatke, A.Mamo, T.Regassa, H.Kidanu, S.[Land, soil and water management]Land, soil and water management

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