Stephen R. Gliessman's Agroecology: the ecology of sustainable food systems PDF

By Stephen R. Gliessman

ISBN-10: 1498728464

ISBN-13: 9781498728461

Supplying the theoretical and conceptual framework for this transforming into box, 'Agroecology' develops the certainty of environmental elements and complexities affecting agricultural vegetation and animals. --Provided by way of publisher.

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offering the theoretical and conceptual framework for this growing to be box, 'Agroecology' develops the knowledge of environmental components and complexities affecting agricultural plants and animals. Read more...

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Jones & Bartlett Publishers: Sudbury, MA. An excellent source of information on the application of ecological concepts and principles in the scientific study of agroecosystem design and management. , S. Bellon, T. Dore, C. Francis, D. Vallod, and C. David. 2009. Agroecology as a science, a movement and a practice: A review. Agronomy for Sustainable Development 29: 503–515. Defines the three areas of focus for agroecology, with historical background on the development and application of each area.

But as the size of each crop’s genetic reservoir declines, there are fewer and fewer varieties from which to 13 Case for Fundamental Change in Agriculture draw resistant or adaptive genes. The importance of having a large genetic reservoir can be illustrated by example. In 1968, greenbugs attacked the US sorghum crop, causing an estimated $100 million in damage. The next year, insecticides were used to control the greenbugs at a cost of about $50 million. Soon thereafter, however, researchers discovered a sorghum variety that carried resistance to the greenbugs.

Because of its interconnected nature, the world food system is also vulnerable to social, political, and economic factors that have no direct connection to climate, weather, or the environment. Increases in the price of oil, trade agreements, unilateral governmental actions, and disruptions in the world economy are among the many factors that may have important effects on food prices and food supplies. ” Industrial agriculture has become so deeply integrated into the world economic system, which is controlled by a relative handful of elites, that it is not industrial agriculture itself that is vulnerable so much as it is the world’s food consumers and smallholder farmers.

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Agroecology: the ecology of sustainable food systems by Stephen R. Gliessman


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