Mostrando ítems 1-10 de 94
The CIMMYT Economics Program
1995/96 World wheat facts and trends: Understanding global trends in the use of wheat diversity and international flows of wheat genetic resources
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 ...
Farmers' wheat seed sources and seed management in the Enebssie area, Ethiopia
This study in Enebssie area, Ethiopia, aimed to identify farmers' wheat seed acquisition and transfer mechanisms; explore problems related to those mechanisms; document the status of previously released wheat varieties; ...
Using economics to explain spatial diversity in a wheat crop: Examples from Australia and China
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. ...
Sources of productivity growth in wheat: A review of recent performance and medium-to long-term prospects
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 ...
Changing competitiveness of the wheat sector of Kazakhstan and sources of future productivity growth
Economic incentives in Kazakhstan have been radically reshaped since the Soviet era ended in 1991. In the first phase of transition, the economy and agricultural sectors declined by 40-50%. Overall economic growth refused ...
Adoption and impact of high yielding wheat varieties in Northern Tunisia
This study assesses the extent to which durum and bread wheat high yielding varieties (HYVs) have been adopted by farmers in northern Tunisia, a region which accounts for more than 80 degrees ' of the nation's durum wheat ...