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Growth and N uptake in pot-grown maize, beans, and cassava were evaluated under 2 levels of soil N at CIAT-Palmira (Colombia). The lower amount of the element reduced its uptake by the 3 species, resulting in lower tissue concn., especially in the leaves. Under low N, DM accumulation was also red...


Porto, M.C.M.El-Sharkawy, Mabrouk A.Cock, James H.Hernández, A. del P.Cadena, G. de[Crescimento, fotossintese e eficiencia do uso de nitrogenio em milho, feijao e mandioca submetidos a dois niveis de N no solo]Crescimento, fotossintese e eficiencia do uso de nitrogenio em milho, feijao e mandioca submetidos a dois niveis de N no solo

The objective of this study is to explore the possibilities of improving production and income on small farms through better allocation of resources. It pertains to the area that represents the low potential cereal crops zone (LPCZ) of Ethiopian highlands in the Shoa region. The basic primary dat...


Belete, A.Dillon, John L.Anderson, F.M.[Efficiency of small-scale farmers in Ethiopia: A case study in the Baso and Warana sub-district]Efficiency of small-scale farmers in Ethiopia: A case study in the Baso and Warana sub-district

A survey of the farmers in the semi-arid and humid areas of Los Altos de Jalisco, Mexico, was conducted to determine the constraints on bean yield in the area. Based on the information collected, the most important characteristics of the production systems of beans in monoculture and association ...

Con el fin de determinar los problemas que limitan el rendimiento del frijol en monocultivo y en asociacion con maiz, se encuestaron los agricultores de las regiones semiarida y humeda de los Altos de Jalisco, Mexico. Con base en la informacion recolectada se describen las caracteristicas mas imp...


Chavez C., J.R.Flores L., H.E.Aleman M., V.Mier C., R.Aceves R., J. de J.Ledesma G., L.A.Plascencia M., J.Lépiz Ildefonso, Rogelio[Avances del diagnostico de frijol en la zona de Los Altos de Jalisco, Mexico]Avances del diagnostico de frijol en la zona de Los Altos de Jalisco, Mexico
Autor: Moreno, R.A.

Important agronomic characteristics of common root and tuber crop production systems in the tropics are indicated for crops including cassava, yam, sweet potato, and edible aroids. Brief comments are also included on aspects that help correctly interpret the information obtained during the charac...

Se indican las caracteristicas agronomicas de importancia en los sistemas comunes de produccion de cultivos de raices y tuberculos en el tropico, para los cultivos de yuca, name, batata y aroideas comestibles. Se comenta brevemente sobre aspectos que ayudan a interpretar correctamente la informac...


Moreno, R.A.[Caracteristicas agronomicas de la produccion de raices y tuberculos: implicaciones para el diagnostico]Caracteristicas agronomicas de la produccion de raices y tuberculos: implicaciones para el diagnostico

Polar, V.Bejarano, C.Jager M.[Taller de analisis multiactoral y de planificacion sobre el cultivo del aji en Bolivia y sus perspectivas futuras  ]Taller de analisis multiactoral y de planificacion sobre el cultivo del aji en Bolivia y sus perspectivas futuras  

Watananonta, WTangsakul, SKatong, SPhetprapi, PJantawat, SSamuthong, NHoweler, Reinhardt H.[Effect of methods of land preparation on the yields of four cassava cultivars in Thailand]Effect of methods of land preparation on the yields of four cassava cultivars in Thailand

Leal Monsalve, DSarkarung, SurapongSanz Scovino, José IgnacioAguirre Villa, R.H.Delgado Huertas, H[Oryzica sabana 6 : variedad mejorada de arroz para sistemas sostenibles de producción en suelos de sabana]Oryzica sabana 6 : variedad mejorada de arroz para sistemas sostenibles de producción en suelos de sabana

A detailed socio-economic description is given of this rustic farm community on the Atlantic Coast of Colombia. Where cassava is the main source of income. Av temp is 28 degrees Celsius, annual rainfall 1556 mm; the sandy soils (pH 5.5-6) have less than 1 percent OM, less than 15 ppm P and less t...


Díaz Duque, R.O.[El cultivo de la yuca en La Colorada, Media Luna]El cultivo de la yuca en La Colorada, Media Luna
Autor: Gniffke, PA

Results are given of a survey to determine the photoperiod response (18 vs. 12.3 h) of 1261 bean lines during 1982 and the 1st half of 1983 at CIAT-Palmira. (CIAT)


Gniffke, PA[Photoperiod response in 1200 lines of beans tested at CIAT- Palmira 1982-3 : A listing]Photoperiod response in 1200 lines of beans tested at CIAT- Palmira 1982-3 : A listing

The different environments (combinations of climatic and edaphic conditions) in which cassava is grown in South America are classified, and the most probable differences between one agroecozone and the next based on environmental factors affecting the cassava plant are presented. A hierarchical a...


Carter, Simon E.[Climatic and edaphic classification at a continental scale (1:5,000,000) for cassava in South America]Climatic and edaphic classification at a continental scale (1:5,000,000) for cassava in South America

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