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 ...

This document describes wheat's origins and the flows of germplasm between various regions of the world. It summarizes some of the tools biological and social scientists use to measure genetic diversity. It examines patterns ...

Poor and subsistence farmers, lacking hybrid and improved maize varieties, struggle daily to eke out an existence from low yielding plants that offer little resistance to destructive insects and diseases. In many of the ...

This report has four parts. Part 1 focuses on the role intemational agricultural research institutions should play in meeting the rapid growth in maize demand that is anticipated during the next 20 years. Constraints to ...

This manual presents a set of procedures for doing an economic analysis of on-farm agronomic experiments wich will help in selecting treatments for furter experimentation and for developing farmer recommendations. The ...

Improvements in the production characteristics of quality protein maize (QPM) are currently leading to its reintroduction in various areas of the world, both for human and animal consumption. Although the improved QPM ...

Spatial diversity indicators may serve an important function for policymakers as they seek to manage crop genetic diversity and potential externalities associated with diffusion of some types of genetically improved crops. ...

This manual presents methods for designing formal surveys that measure and analyze the adoption of agricultural technology. First it discusses the rationale for undertaking an adoption study and the issues involved in ...

This paper contains suggestions for improving data collection during on-farm experimentation. Besides providing agronomic data, the experimental phase of on-farm research can be a source of other valuable information. ...