Biological diversity is as crucial in agriculture as it is in
nature, and it is equally important to the economic health of both
industrial and nonindustrial societies. This book offers a sweeping
assessment of crop diversity and the potential for its
preservation. Stephen B. Brush develops a framework for
investigating biological diversity in agriculture that focuses on
the knowledge and practice of farmers, and he shows how this human
ecology perspective can be applied to three global issues that
affect crop resources. Brush defines the dimensions of crop
diversity and outlines the essential questions surrounding it. He
describes the techniques used to maintain diversity in major crops
of three cradles of agriculture in which he has worked: potatoes in
the Peruvian Andes, maize in Mexico, and wheat in Turkey. Finally,
he explores the policy issues surrounding genetic erosion of crop
varieties, conservation of crop diversity, and ownership of genetic
resources.
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