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A description is given of the different factors limiting to bean production in Latin America, type of damage caused, environmental conditions where they prevail, and possible control measures. With regard to diseases, the following are discussed: aphid-, whitefly- and beetle-transmitted viruses, ...

Se presenta una descripcion de los diferentes factores que limitan la produccion de frijol en Latinoamerica, el tipo de dano causado, condiciones ambientales donde estos prevalecen, y posibles medidas de control. Se examinan las siguientes enfermedades: virus transmitidos por afidos, mosca blanca...


Schwartz, Howard F.Gálvez E., Guillermo E.Schoonhoven, Aart vanHoweler, Reinhardt H.Graham, Peter H.Flor Montoya, Carlos A.[Field problems of beans in Latin America]Field problems of beans in Latin America
Howeler, Reinhardt H.[The use of cassava roots and leaves for on-farm animal feeding: Proceedings of a regional workshop, held in Hue city, Thua Thien province, Vietnam, January 17-19,2005]The use of cassava roots and leaves for on-farm animal feeding: Proceedings of a regional workshop, held in Hue city, Thua Thien province, Vietnam, January 17-19,2005
Howeler, Reinhardt H.[Proceedings of the eighth symposium of the Internacional Society for tropical Root Crops: Theme "Tropical root and tuber crops changing role in a modern world". Oct 30-Nov 5,1988]Proceedings of the eighth symposium of the Internacional Society for tropical Root Crops: Theme "Tropical root and tuber crops changing role in a modern world". Oct 30-Nov 5,1988

Howeler, Reinhardt H.[A new future for Cassava in Asia. Its use a food freed and fuel to benefit the poor]A new future for Cassava in Asia. Its use a food freed and fuel to benefit the poor

Recommendations are given on the var. and cultural practices used in cassava cultivation in the Colombian Llanos Orientales. Initially, soil acidity and low fertility were believed to be the major constraints; however, trials have indicated that diseases (bacterioses, superelongation, and anthrac...


Howeler, Reinhardt H.Ballesteros, D[El cultivo de la yuca en los Llanos Orientales de Colombia: Variedades y practicas agronomicas]El cultivo de la yuca en los Llanos Orientales de Colombia: Variedades y practicas agronomicas

Since 1987 cassava agronomy research has been conducted by scientists from national cassava programs in Asia in collaboration and with small financial assistance from the CIAT cassava program. This paper summarizes and pulls together the results obtained, mainly corresponding to the period of 149...


Howeler, Reinhardt H.[Agronomy research in the Asian cassava network: Towards better production without soil degradation]Agronomy research in the Asian cassava network: Towards better production without soil degradation

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