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En el invernadero se evaluó la efectividad de las cepas preseleccionadas de B. japonicum (CIAT 199,209,3778,3874 y 3876) de la recomendada (CIAT51) y una de Rhizobium spp (CIAT 3779). En el suelo Fluventic Haplustoll, de reacción casi neutra, se presentó respuesta altamente significativa a la ino...


Salamanca Solis, CRVarela, RSylvester-Bradley, Rosemary[Seleccion de cepas de rizobios en suelos promisorios para el cultivo de la soya (Glycine max (L) Merril) en Colombia]Seleccion de cepas de rizobios en suelos promisorios para el cultivo de la soya (Glycine max (L) Merril) en 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

This study examines the potential, magnitude, and causes of enhanced biological N2 fixation (BNF) by common beans (Phaseolus vulgaris L.) through bio-char additions (charcoal, biomass-derived black carbon). Bio-char was added at 0, 30, 60, and 90 g kg?1 soil, and BNF was determined using the isot...


Rondón, Marco AntonioLehmann, JohannesRamírez, JuanHurtado, MP[Biological nitrogen fixation by common beans (Phaseolus vulgaris L.) increases with bio-char additions]Biological nitrogen fixation by common beans (Phaseolus vulgaris L.) increases with bio-char additions

The results of evaluations of tropical forage legume-rhizobium combinations carried out in undisturbed soil cores and fleld trials by CIAT from 1980-1988 and the catalogue of the CIAT rhizobium collection.


International Center for Tropical Agriculture[Relative effectiveness of tropical forage legume-rhizobium combinations: Catalogue of results of greenhouse and field trials]Relative effectiveness of tropical forage legume-rhizobium combinations: Catalogue of results of greenhouse and field trials

Populations of Legume Nodulating Bacteria (LNB) were assessed under glasshouse conditions in soils collected from selected landuse systems in Taita Taveta district, Kenya. The populations were estimated by the most-probable-number (MPN) plant infection technique using Macroptilium atropurpureum (...


Mwangi, Simon N.Karanja, Nancy M.Boga, Hamadi M.Kahindi, James M.Muigai, A.M.Odee, D.Mwenda, George M.[Genetic diversity and symbiotic efficiency of legume nodulating bacteria from different land use systems in taita taveta, kenya]Genetic diversity and symbiotic efficiency of legume nodulating bacteria from different land use systems in taita taveta, kenya
Sylvester-Bradley, RosemaryKipe-Nolt, Judith A.[La simbiosis leguminosa-rizobio : Actas de un taller sobre evaluación, selección y manejo agronómico = The legume-rhizobium symbiosis: Proceedings of a workshop on evaluation, selection and agronomic management]La simbiosis leguminosa-rizobio : Actas de un taller sobre evaluación, selección y manejo agronómico = The legume-rhizobium symbiosis: Proceedings of a workshop on evaluation, selection and agronomic management

The background and current status of research on bean N fixation in Rwanda, Burundi, Zimbabwe, Tanzania, Malawi, Uganda, and Ethiopia are summarized. The 4 stages of the methodological framework for bean N fixation research of CIAT are described: (I) (a) Rhizobium strain isolation and characteriz...


Nyabyenda, PHakizimana, AKipe-Nolt, Judith A.Davis, J.Graf, W[Atelier sur la Fixation Biologique d`Azote du Haricot en Afrique = Workshop on Biological Nitrogen Fixation of Beans in Africa (1988, Rubona, Rwanda). Actes = Proceedings]Atelier sur la Fixation Biologique d`Azote du Haricot en Afrique = Workshop on Biological Nitrogen Fixation of Beans in Africa (1988, Rubona, Rwanda). Actes = Proceedings
Nyabyenda, PScheidegger, Urs C.[Seminaire Regional sur l`Amelioration du Haricot dans la Region des Grands Lacs (6, 1991, Kigali, Rwanda). Actes]Seminaire Regional sur l`Amelioration du Haricot dans la Region des Grands Lacs (6, 1991, Kigali, Rwanda). Actes
Nyabyenda, PScheidegger, Urs C.[Seminaire Regional sur l`Amelioration du Haricot dans la Region des Grands Lacs (6, 1991, Kigali, Rwanda). Actes]Seminaire Regional sur l`Amelioration du Haricot dans la Region des Grands Lacs (6, 1991, Kigali, Rwanda). Actes

The effect of soil fertility on the response of field beans (Phaseolus vulgaris L.) to inoculation with Rhizobium leguminosarum bv. phaseoli was investigated at five sites in northern and central Malawi. A split-plot design consisting of (a) un-inoculated plants, (b) inoculated plants and (c) N-f...


Lupwayi, N.Z.Mkandawire, A.B.C.[Improved soil fertiliy increases nodulation of Phaseolus beans]Improved soil fertiliy increases nodulation of Phaseolus beans

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