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Howeler, Reinhardt H.[Características químicas de los suelos del Centro Internacional de Agricultura Tropical-CIAT y recomendaciones sobre su manejo y fertilización para los cultivos de yuca y fríjol]Características químicas de los suelos del Centro Internacional de Agricultura Tropical-CIAT y recomendaciones sobre su manejo y fertilización para los cultivos de yuca y fríjol
Gichuru, MPBationo, B. AndréBekunda, Mateete A.Goma, HCMafongoya, P.L.Mugendi, DNMurwira, HKNandwa, SMNyathi, PSwift, MJ[Soil fertility management in Africa: a regional perspective]Soil fertility management in Africa: a regional perspective

In the Brazilian savannas, or Cerrados the rapid advance in agriculture and cattle ranching is affecting soils through, for example, accelerated erosion and depletion of soil organic matter (SOM). Changes in soil microbial biomass are good indicators of changes in SOM. We therefore assessed the e...


Renz, TENeufeldt, HenryAyarza, Miguel AngelResck, DVSZech, W.[Microbial biomass, microbial activity, and carbon pools under different land-use systems in the Brazilian cerrados]Microbial biomass, microbial activity, and carbon pools under different land-use systems in the Brazilian cerrados
Neufeldt, HenryZech, W.Thomas, Richard J.[Introduction: sustainable land management for the oxisols of the Brazilian cerrados]Introduction: sustainable land management for the oxisols of the Brazilian cerrados
Rao, Idupulapati M.Barrios, E.Oberson, AstridAyarza, Miguel AngelFriesen, Dennis K.[Opportunities for increasing the efficiency of phosphorus use in tropical agroecosystems]Opportunities for increasing the efficiency of phosphorus use in tropical agroecosystems

The distribution of Trichoderma species in soils of Embu region in relation to land use practices was investigated. The study area was chosen because of its significant land use intensification. Soil washing and dilution plate techniques were used to recover Trichoderma spp from soil samples. The...


Okoth, Sheila A.Roimen, HMutsotso, BMuya, EAKahindi, JHPOwino, JOOkoth, Peter F.[Land use systems and distribution of Trichoderma species in Embu region, Kenya = Relación entre uso del suelo y la distribución de Trichoderma en la región de Embu, Kenia]Land use systems and distribution of Trichoderma species in Embu region, Kenya = Relación entre uso del suelo y la distribución de Trichoderma en la región de Embu, Kenia

En dos zonas de ladera al norte del Departamento del Cauca, con precipitación promedia anual entre 1600 y 2400 mm y en suelos clasificados como Inceptisoles, se han establecido parcelas de escorrentía con diferentes manejos durante siete años. En muestras de suelos procedentes de estos manejos se...


Castillo Franco, JAAmézquita Collazos, EdgarMuller-Samann, KM[La turbidimetría una metodología promisoria para caracterizar la estabilidad estructural de los suelos = Turbidimetry a promising method to characterize the structural stability of soils]La turbidimetría una metodología promisoria para caracterizar la estabilidad estructural de los suelos = Turbidimetry a promising method to characterize the structural stability of soils

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

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