Buscar
Mostrando ítems 1-10 de 52
Book
New wheat varieties and the small farmer
(CIMMYT, 1982)
The distribution of the benefits of new agricultural technologies is the subject of continuing controversy, especially following the widespread adoption of new wheat and rice varieties in developing countries over the last ...
Book
Maize production practices in Paraguay: survey findings and implications for research
(CIMMYT, 1995)
Data collected through a survey of 252 rural households support the conventional wisdom that maize in Paraguay is grown by many different categories of producers, ranging from small-scale semisubsistence farmers to large-scale ...
Book
Public and private investments in maize research in Mexico and Guatemala
(CIMMYT, 1990)
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
Book
A conceptual framework for valuing on-farm genetic resources
(CIMMYT, 1998)
This paper proposes a preliminary conceptual framework designed to support strategic decisions about which crop populations-in a well-defined reference area within a crop's center of diversity-are suitable candidates for ...
Book
Rainfed maize production in Mexico: trends, constraints, and technological and institutional challenges for researchers
(CIMMYT, 1992)
This paper reviews trends in rainfed maize production in Mexico over the past several decades, and the experience of lNIFAP/ CIMMYT/ CIRAD on-farm research (OFR) in Mexico's lowland tropics, to evaluate the prospects for ...
Book
Dryland wheat in India: the impact of technical change and future research challenges
(CIMMYT, 1992)
This study focuses on the dryland wheat areas of central and southern India (over half of India's total rainfed wheat area), where wheat is produced on deep vertisols in a fallow wheat system depending heavily on the ...
Book
Sources of productivity growth in wheat: A review of recent performance and medium-to long-term prospects
(CIMMYT, 1999)
Sources of yield growth in wheat are investigated based on a stylized framework of technical change. Evidence suggests that the relative contribution of input intensification to yield growth has diminished in recent years ...
Book
Cereal crop productivity in developing countries: past trends and future prospects
(CIMMYT, 1999)
This paper synthesizes the evidence on cereal crop poductivity in developing countries over the past 30 years and looks at future prospects for productivity in growth. For more than three decades we have witnessed the ...
Book
Maize production and agricultural policies in Central America and Mexico
(CIMMYT, 1999)
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 ...
Book
Adoption of maize conservation tillage in Azuero, Panama
(CIMMYT, 1999)
An aggressive research and validation program launched in 1984 in Azuero, Panama, yielded a recommendation advocating zero tillage for maize production. Ten years later, maize farmers in Azuero use , land preparation ...