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Book
Returns to wheat research in Nepal
(CIMMYT, 1992)
An economic surplus approach is used to analyze economic returns to wheat research (primarily breeding) in Nepal. During the past 30 years, investment in wheat research has generated an internal rate of return ranging from ...
Book
Economic criteria for establishing plant breeding programs
(CIMMYT, 1991)
A general model of annual costs and lagged annual returns from a plant breeding program is developed to estimate the threshold sizes of a crop industry at which different breeding programs could be economically justified, ...
Book
Optimal search in ex situ collections of wheat genetic resources
(CIMMYT, 1998)
This paper develops a theoretical model for analyzing gene bank management decisions regarding the search for traits of economic value in ex situ collections of wheat. The model is applied to data on the probability of ...
Book
Adoption and impact of high yielding wheat varieties in Northern Tunisia
(CIMMYT, 1996)
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 ...
Book
Technical change and wheat productivity in the Indian Punjab in the post green revolution period
(CIMMYT, 1992)
Major changes in the wheat economy of Punjab State, India, since the Widespread adoption of modern varieties (MVs) in the early 1970s, are summarized from an analysis of trends in micro-level farm data and by using an index ...
Working Paper
The maize subdirector in Paraguay: a diagnostic overview
(CIMMYT, 1990)
The maize sector in Paraguay is going through a period of perplexing changes. Despite recent production gains, average maize yields remain far below those which could be achieved with relatively simple changes in management ...
Working Paper
The maize subsector in Paraguay: a diagnostic overview
(CIMMYT, 1990)
The maize sector in Paraguay s going through a period of perplexing changes. Despite recent production gains, average maize yields remain far below those which could be achieved with relatively simple changes in management ...
Working Paper
Economic losses from Karnal bunt of wheat in Mexico
(CIMMYT, 1990)
There has been concern in Mexico in recent years about the impact of the disease Kamal bunt (KB) on the wheat industry; however, to date no comprehensive information has been available on the economic impact of the disease. ...
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 ...
Working Paper
Chimanga cha makolo, hybrids, and composites: an analysis of farmers' adoption of maize technology in Malawi, 1989-91
(CIMMYT, 1991)
This paper profiles farmers' adoption behavior and varietal choices with respect to local and improved maize technologies (variety, fertilizer application, and other agronomic practices) in three agroeconomic zones of ...