Mostrando ítems 1-10 de 339
Un vistazo por la agricultura oaxaqueña
Conservation agriculture in maize- and wheat-based systems in the (Sub)tropics: Lessons from adaptation initiatives in South Asia, Mexico, and Southern Africa
Conservation agriculture's underlying principles—minimal soil disturbance, soil cover and crop rotation—are increasingly recognized as essential for sustainable agriculture. This article summarizes three contrasting cases ...
Earthworm activity and soil structural changes under conservation agriculture in central Mexico
Crop residue mulching combined with zero tillage and crop rotation, known as conservation agriculture (CA), is being promoted as an alternative system to revert soil degradation in maize-based farming in the central highlands ...
Barley yellow dwarf : a proceedings of the workshop
(CIMMYT; UNDP, 1984)
This publication contains the proceedings of a workshop on barley yellow dwarf (BYD) held in Mexico on 6-8 December, 1983. It contains 23 contributed papers (including comments made to them), and situation reports on the ...
Tecnicas de campo para experimentos con fertilizantes
Las industrias de la semilla de maíz en Brasil y México : desempeño anterior, problemas actuales y perspectivas para el futuro
Este documento describe los resultados de un estudio de los principales factores que afectan el desarrollo de la industria de semilla de maiz en Brasil y Mexico (y, por extension, de otros paises en desarrollo). Los autores ...
Farmers' seed selection practices and maize variety characteristics in a traditionally-based Mexican community
Experimental results and farmers surveys in a Mexican community indicates that farmers' seed selection practices protect the phenological integrity of their maize varieties as they define them, despite numerous factors ...
Genetic diversity and maize seed management in a traditional Mexican community : implications for in situ conservation of maize
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 ...
A regional analysis of maize biological diversity in Southeastern Guanajuato, Mexico
Four environments with contrasting potential for agricultural productivity and infrastructure development were identified in Guanajuato State, Mexico, to test hypotheses about the relationship of maize biological diversity ...