Now showing items 31-40 of 43
Adoption of maize production technologies in Southern Tanzania
(CIMMYT; United Republic of Tanzania; SACCAR, 1998)
This report of the adoption of maize production technologies in Southern Tanzania forms part of a larger study to evaluate the impact of maize research and extension throughout Tanzania over the past 20 years. Using a ...
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 ...
Farmers' seed sources and management of bread wheat in wolmera woreda, Ethiopia
(CIMMYT; IAR, 1998)
Because seed supply and cost strongly influence farmers' ability to increase wheat production, researchers undertook a survey to document how Ethiopian farmers in Wolmera woreda acquire, manage and transfer wheat 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 ...
Participatory research methods for technology evaluation: a manual for scientists working with farmers
This manual presents methods that enable agricultural scientist and farmers to evaluate technologies/practices jointly. The methods are specifically designed for participatory research on germplasm and soil fertility ...
Impact of CIMMYT varieties on the genetic diversity of wheat in Australia, 1973-1993
Wheats derived from germplasm developed by the International Maize and Wheat Improvement Center (CIMMYT) have been grown widely in Australia since the early 1970s. The impact of CIMMYT germplasm on the genetic diversity ...
Wheat rusts and the costs of genetic diversity in the Punjab of Pakistan
The theory of impure public goods is used to demonstrate why farmers may nor grow wheat cultivars with the socially desirable level of rust resistance. First, they may grow cultivars that are high yielding though susceptible ...
Integration of environmental, agronomic, and economic aspects of fertilizer management
Nitrogen fertilization is a substantial source of nitrogen-containing trace gases that have both regional and global consequences, In the intensive wheat systems of Mexico, typical fertilization practices lead to extremely ...