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Lojan, P.Suarez, J.P.Senes-Guerrero, C.Kromann, P.Velivelli, S.L.S.Sessitsch, A.Doyle, B.Declerck, S.[Interacciones de microorganismos promotores del crecimiento vegetal y su uso potencial en formulaciones para el cultivo de papa.]Interacciones de microorganismos promotores del crecimiento vegetal y su uso potencial en formulaciones para el cultivo de papa.

Major upland soils in the humid and sub humid zones of West Africa consist of low activity clays (LAC) Alfisols, Ultisols and Oxisols. Alfisols which are less leached and have a high base saturation are more dominant in the sub-humid zone. Chemically they are more fertile, but they have a low str...


Kanno, H.Dixon, A.Asiedu, RobertHahn, S.K.[Host plant resistance of cassava green spider mite (CGM) (Mononychellus tanajoa Bondar) at IITA]Host plant resistance of cassava green spider mite (CGM) (Mononychellus tanajoa Bondar) at IITA
Autor: Janssen, W.

Results from a survey on snap bean production, marketing, and consumption, carried out among the participants to the workshop on Snap Bean Improvement, held at CIAT (Colombia), coming from Argentina, Brazil, Peru, Ecuador, and Colombia, are presented. Although the area planted to snap beans in th...

Se presentan los resultados de una encuesta sobre produccion, mercadeo y consumo de habichuela realizada entre los participantes en el Taller de Mejoramiento de Habichuela realizado en CIAT (Colombia), provenientes de Argentina, Brasil, Peru, Ecuador, y Colombia. Aunque las areas sembradas de hab...


Janssen, W.[El cultivo de la habichuela en varios paises de America Latina]El cultivo de la habichuela en varios paises de America Latina

Results of research on soil fertility management for bean production in Uganda are explored. The occurrence and severity of soil fertility problems as constraints to bean production are examined and additional research needs are suggested. Results of trials conducted on research station and farme...

Se examinan los resultados de investigaciones en manejo de la fertilidad del suelo para la produccion de frijol en Uganda y la presencia y severidad de los problemas de fertilidad del suelo como factores limitantes de la produccion de este cultivo. Se sugieren necesidades adicionales de investiga...


Ochwoh, V.AWortmann, Charles S.[Soil fertility and bean nutrition in Uganda: A review and future research needs]Soil fertility and bean nutrition in Uganda: A review and future research needs
Graf, WNdorehayo, V[Agroforestry research in bean-based cropping systems of subsahalien Africa: A review of research methodologies and results]Agroforestry research in bean-based cropping systems of subsahalien Africa: A review of research methodologies and results

Bean yields are expected to increase due to improved varieties and better cultural and harvesting practices. Higher yields increase the nutrient requirements of the bean crops and the complexity of management. Better low input management practices will be needed for beans grown in pure stand and ...


Mughogho, SKWortmann, Charles S.[Research needs and methods for the use of fertilizers and soil amendments in bean-based cropping systems]Research needs and methods for the use of fertilizers and soil amendments in bean-based cropping systems

The slow progress made in the search for var. with higher levels of drought tolerance is partially due to the inefficient management of nurseries. At CIAT, screening for tolerance has evolved at almost all stages, from planning through the analysis of final results. This report describes several ...


White, Jeffrey W.[Manejo de viveros de tolerancia a la sequia en el frijol : perspectiva fisiologica]Manejo de viveros de tolerancia a la sequia en el frijol : perspectiva fisiologica

Several traditional methods of maintaining soil fertility in bean-based cropping systems are reviewed as follows: visoso, large- scale chitemene, ngoro or matengo pit (Mbinga District, Tanzania), mambwe land-use system of northern Zambia (fundikila), mounds of the Wafipas (SW Tanzania), tumba lan...


Edje, O.T.Semoka, JMRHaule, KL[Traditional forms of soil fertility maintenance]Traditional forms of soil fertility maintenance

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