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Mostrando ítems 21-26 de 26
Book
Farmers' use of improved seed selection practices in Mexican maize: evidence and issues from the Sierra de Santa Marta
(CIMMYT, 1997)
The principal advantage of in situ conservation is that it allows adaptive evolutionary processes to continue in the species that are being conserved. For a cultivated crop species, in situ conservation involves farmers' ...
Book
Genetic diversity and maize seed management in a traditional Mexican community: implications for in situ conservation of maize
(CIMMYT, 1996)
Results from a study of maize varieties and seed sources in a traditional community in Mexico raise questions about the relevance of models for in situ conservation of crop genetic resources that are based on geographical ...
Conference Proceedings
Memoria del taller transferencia de labranza de conservación para maíz de temporal en Jalisco
(INIFAP; CIRAD; SDR; CIMMYT, 1997)
Del 11 al 13 de Marzo de 1996, se llevó a cabo en la Ciudad de Guadalajara, Jalisco, el primer taller de trabajo sobre "Transferencia de Labranza de Conservación para maíz de temporal en Jalisco" organizado con fondos de ...
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
Conservation tillage or residue conservation? An evaluation of residue management in Mexico
(CIMMYT, 1997)
The key to conservation tillage is the use of crop residues as mulch. However, there is some confusion over the term conservation tillage, among other things, because too much emphasis has been placed on tillage. Since ...
Book
The adoption of bed planting of wheat in the Yaqui Valley, Sonora, Mexico
(CIMMYT, 1998)
This report presents results of the analysis of data from a survey conducted during the fall-winter 1993/94 crop cycle in the Yaqui Valley of northwestern Mexico. It describes the agronomic characters of wheat producers ...