Mostrando ítems 1-10 de 17
Impact of Mexican germplasm on Brazilian wheat cropping: an ex-post economic analysis
This paper reviews and analyzes economic returns to wheat research in Brazil's main wheat-producing regions in Rio Grande do SuI and Paranci. Between 1975 and 1991, the area planted to wheat in Brazil increased significantly ...
Economic losses from Karnal bunt of wheat in Mexico
The impact of conservation tillage on the productivity and stability of maize cropping systems: A case study in Western Mexico
This paper examines the economics of introducing conservation tillage into existing maize cropping systems in the state of Jalisco, in the western part of Mexico. A stochastic cost-benefit analysis (SCBA) of introducing ...
Public and private investments in maize research in Mexico and Guatemala
This paper describes the relationship between public and private sector research and seed production in Mexico and Guatemala. The focus is on public agricultural research institutes and local and multinational seed
The private and public characteristics of maize land races and the area allocation decisions of farmers in a center of crop diversity
This study uses an approach derived from models of the private and public characteristics of goods to illustrate (1) the overriding importance of variety attributes in farmers' decisions to allocate area among varieties ...
The maize seed industries of Brazil and Mexico: Past performance, current issues and future prospects
This paper describes results of a study of the main factors affecting the development of the maize seed industries in Brazil and Mexico (and, by extension, other developing countries). The authors develop a framework that ...
Social relations and seed transactions among small-scale maize farmers: a case study from the central valleys of Oaxaca, México
This paper explores social arrangements associated with seed transactions among smallscale maize farmers in the Central Valleys of Oaxaca, Mexico, a centre of crop genetic diversity. A formal seed distribution system has ...
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 ...
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 ...