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Book
Farmers' wheat seed sources and seed management in Chilalo Awraja, Ethiopia
(CIMMYT; IARC, 1998)
This study describes the Ethiopian wheat seed system, identifies how farmers acquire and exchange wheat seed, explores problems related to farmers' acquisition and transfer of wheat seed, documents the status of previously ...
Book
Genetic change in farmer-recycled maize seed: a review of the evidence
(CIMMYT, 1999)
This paper summarizes what is known about farm-level maize seed management practices and reviews the theoretical and empirical evidence regarding the relationship between farmers’ seed recycling practices and the genetic ...
Book
An economic analysis of the abonera maize production system in the Atlantic Coast of Honduras
(CIMMYT, 1998)
This paper compares the economics of the abonera maize production system, in which maize is grown in rotation with a green manure crop (velvetbean, mucuna deeringiana), with traditional bush-fallow cultivation of maize in ...
Book
Are productivity enhancing, resource conserving technologies a viable "Win-win" approach in the tropics? The case of conservation tillage in Mexico
(CIMMYT, 1997)
This paper summarizes factors affecting the agricultural and environmental potential of conservation tillage in maize-based farming systems in Mexico. The author begins by describing some of the implications of soil ...
Book
Technical change in maize production: a global perspective
(CIMMYT, 1994)
The stages of technological change in maize production in commercial and small-scale semisubsistence systems are discussed and variation in the use of improved varieties/hybrids and adoption of associated inputs are noted. ...
Book
Labranza de conservación o conservación de residuos? Una evaluación del manejo de los residuos en México
(CIMMYT, 1997)
La clave de la labranza de conservacion es el uso de los residuos como mantillo. Sin embargo, existe mucha confusion en relacion al termino labranza de conservacion, entre otras cosas por poner demasiado enfasis en la ...
Book
Farmers' wheat seed sources and seed management in the Enebssie area, Ethiopia
(IARC; CIMMYT, 1998)
This study in Enebssie area, Ethiopia, aimed to identify farmers' wheat seed acquisition and transfer mechanisms; explore problems related to those mechanisms; document the status of previously released wheat varieties; ...
Book
Síntesis de resultados experimentales: 1992
(PRM; CIMMYT, 1993)
La Síntesis de Resultados Experimentales del PRM 1992 presenta los resultados más sobresalientes del Programa Regional de Maíz (PRM) para Centro América y El Caribe durante 1992. El PRM es una red colaborativa de investigación ...
Book
Crop management research and extension: The products and their impact on productivity
(CIMMYT, 1992)
This study presents a methodology (in five steps) for assessing the impact of information and technologies generated by a crop management research (CMR) program. The methodology is demonstrated by estimating the return to ...
Book
Resultados de un sondeo de productores de trigo en el Departamento de Cochabamba, Bolivia. Abril 1994
(CIMMYT; IBTA, 1997)
Tradicionalmente Cochabamba fue el Departamento mas productor del pais, con una alta concentración de producción en el Valle Alto. Sin embargo, en los últimos años su producción se ha reducido, y en 1993/94 se sembró 22.800 ...