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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

Six weight-classes of white guinea yam (Dioscòrea rotundata Poir.) setts—2–5, 5.01–10, 10.01–20, 20.01–30, 30.01–40, and 40.01–50 g—were presprouted in fresh, moist sawdust in open-air, propagation beds. The 2–5 g and 5.01–10 g classes were described as microsetts. Three natural groups patterned ...


Gyansa-Ameyyaw, C.E.Hahn, S.K.Álvarez, M.N.Doku, E.V.[Determination of optimum sett size for white guinea yam (Dioscorea rotundata Poir.) seed yam production: trends in sprouting in the presprout nursery and field performance]Determination of optimum sett size for white guinea yam (Dioscorea rotundata Poir.) seed yam production: trends in sprouting in the presprout nursery and field performance

Seed viability and emergence is one of the most important problems affecting soybean production in West Africa. Results from the multi-location yield trials indicated that introduced cultivars such as Bossier, Jupiter and Improved Pelican showed excellent adaptation and high yields provided seedl...


Nangju, D.Wien, H.C.Singh, T.P.[Some factors affecting soybean viability and emergence in the lowland tropics]Some factors affecting soybean viability and emergence in the lowland tropics
Martínez Racines, César PompilioSanint, Luis RobertoWeber, G.K.[Producción de arroz en Centroamérica: su localización, limitantes y principales variedades]Producción de arroz en Centroamérica: su localización, limitantes y principales variedades
Autor: Leihner, D.E.

CIAT has developed a new intercropping technology (cassava/grain legume associations) that tries to solve the numerous problems that arise in traditional intercropping systems. High-yielding cassava cv. with an erect, late-branching growth habit are recommended to minimize intercrop competition. ...


Leihner, D.E.[New technology for cassava intercropping]New technology for cassava intercropping

Nigeria is presently the largest cassava producing country in the world. Cassava production is primarily at the smallholder level relying heavily on the hoe and cutlass and driven by human physical effort. Agricultural farm labour is a critical factor as Nigeria strives to utilise cassava as an i...


Ezedinma, C.Okarter, C.Asumugha, G.N.Nweke, F.[Trends in farm labour productivity and implications for cassava industrialisation in Nigeria]Trends in farm labour productivity and implications for cassava industrialisation in Nigeria
Autor: Toro M., J.C.

A complete set of guidelines is provided for conducting cassava regional trials. In addition to general guidelines on site selection, exptl. design, planting and harvesting time, and others, specific recommendations are given on technology to be used for the different agronomic practices required...


Toro M., J.C.[Suggested guidelines for conducting regional trials]Suggested guidelines for conducting regional trials

Studies changes in the concentrations and composition of phenolic compounds in component parts of different sorghum varieties harvested at different growth stages and also after long time storage.


Khazaal, K.Mueller-Harvey, I.McAllan, A.B.Osafo, E.L.K.Owen, E.Said, A.N.[Effect of harvesting at different stages of growth and long term storage on phenolics in sorghum stover]Effect of harvesting at different stages of growth and long term storage on phenolics in sorghum stover

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