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Salinas, JGCastilla, Carlos E.Gualdron, R[Requerimientos de micronutrimentos por algunas leguminosas forrajeras tropicales en los Llanos Orientales de Colombia]Requerimientos de micronutrimentos por algunas leguminosas forrajeras tropicales en los Llanos Orientales de Colombia
Salinas, JG[Oxisoles y ultisoles de Colombia y Latinoamerica: Caracteristicas diagnosticas implicadas en su uso y manejo]Oxisoles y ultisoles de Colombia y Latinoamerica: Caracteristicas diagnosticas implicadas en su uso y manejo

Different fields within a farm have been observed to have different soil fertility status and this may affect the response of a maize crop to applied N, P, and K fertiliser. A limiting nutrient trial was carried out at six farms each, in three districts of Western Kenya. In each of the farms, the...


Vanlauwe, BernardTittonell, Pablo A.Mukulama, J[Within-farm soil fertility gradients affect response of maize to fertilizer application in Western Kenya]Within-farm soil fertility gradients affect response of maize to fertilizer application in Western Kenya

Se estudió el cambio en el contenido nutricional de los tallos de yuca ocasionado por diferentes niveles de fertilización al suelo y el efecto de las estacas obtenidas de esos tallos sobre el cultivo subsiguiente. Los 9 niveles nutricionales del suelo incidieron en la altura y vigor de las planta...


López Molina, J.El-Sharkawy, Mabrouk A.López, Y.[Fertilidad del suelo y calidad nutricional de estacas de yuca (Manihot esculenta Crantz)]Fertilidad del suelo y calidad nutricional de estacas de yuca (Manihot esculenta Crantz)

The increasing attention paid to local soil knowledge in recent years is the result of a greater recognition that the knowledge of people who have been interacting with their soils for long time can offer many insights about the sustainable management of tropical soils. This paper describes two a...


Barrios, E.Trejo Tercero, M.T.[Implications of local soil knowledge for integrated soil management in Latin America]Implications of local soil knowledge for integrated soil management in Latin America

To guide soil fertility investment programmes in sub-Saharan Africa, better understanding is needed of the relative importance of soil and crop management factors in determining smallholder crop yields and yield variability. Spatial variability in crop yields within farms is strongly influenced b...


Tittonell, Pablo A.Shepherd, Keith D.Vanlauwe, BernardGiller, Ken E.[Unravelling the effects of soil and crop management on maize productivity in smallholder agricultural systems of western Kenya : An application of classification and regression tree analysis]Unravelling the effects of soil and crop management on maize productivity in smallholder agricultural systems of western Kenya : An application of classification and regression tree analysis

Fallows improved with tree legumes have a potential role in soil fertility management in the sub-humid tropics. In addition to N2 fixation, deep rooting species can be used to redistribute leached nutrients to the topsoil while producing useful woody by-products. Such fallows are not very effecti...


Wortmann, Charles S.Kaizzi, CK[Tree legumes in medium-term fallows: Nitrogen, fixation, nitrate recovery and effects on subsequent crops]Tree legumes in medium-term fallows: Nitrogen, fixation, nitrate recovery and effects on subsequent crops

Geosoil permite almacenar, consultar e interpretar información tanto del suelo como de su entorno biofísico a diferentes escalas: parcela, finca, comunidad, municipio, departamento, región, país. Opera a partir de una base de datos relacional elaborada en ACCES 2000, compuesta por una serie de ta...


Rubiano Sanabria, YolandaAmézquita Collazos, EdgarBeaulieu, Nathalie[Sistema georreferenciado de indicadores de calidad de suelos para los Llanos Orientales de Colombia : Estudio de caso: Municipio de Puerto López, Meta]Sistema georreferenciado de indicadores de calidad de suelos para los Llanos Orientales de Colombia : Estudio de caso: Municipio de Puerto López, Meta

In Kenya the belowground biodiversity project was implemented in Embu and Taita which are biodiversity hotspots. The objective of the paper is to present and analyze farmers’ knowledge, attitudes and practices at different timelines of the project, as well as identify factors limiting adoption of...


Mutsotso, BMuya, ERoimen, H[Farmers knowledge, attitudes and practices (kap) in Embu and Taita benchmark sites before and after below-ground biodiversity project interventions]Farmers knowledge, attitudes and practices (kap) in Embu and Taita benchmark sites before and after below-ground biodiversity project interventions
Nyaga, JohnJefwa, J.M.Muthuri, Catherine WMatiru, Viviene NWachira, Peter MOkoth, Sheila A.[Arbuscular mycorrhizal fungi with different soil fertility amendment practices in agricultural landscapes of Kenyan highlands]Arbuscular mycorrhizal fungi with different soil fertility amendment practices in agricultural landscapes of Kenyan highlands

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