Mostrando ítems 1-10 de 28
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 ...
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 ...
Adoption, management, and impact of hybrid maize seed in India
This paper presents results of a 1995 survey of 864 maize-growing households in six states that account for more than 70% of India's maize area: Andhra Pradesh, Bihar, Karnataka, Madhya Pradesh, Rajasthan, and Uttar Pradesh. ...
Social relations and seed transactions among smallscale maize farmers in the Central Valleys of Oaxaca, Mexico
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 ...
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
Maize research, development, and seed production in India : contributions of the public and private sectors
This paper assesses the relative strengths and weaknesses of India's public and private maize seed industries and examines future options for maize seed industry policies. By 1992, nearly as many maize researchers worked ...
Adoption and use of improved maize by small-scale farmers in Southeast Guatemala
This report is based on a study of the adoption and use of improved open-pollinated varieties and hybrids by small-scale farmers in the Department of Jutiapa, Guatemala. The majority of maize producers in Guatemala are ...
Maize production and agricultural policies in Central America and Mexico
This paper reviews trends in maize production and consumption in Central America and Mexico in the context of the political and economic changes taking place in the region since the 1970's. The authors focus on the effects ...