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Subjects
Agricultural conservation, Agricultural ecology, Agricultural innovations, Agricultural pollution, Agriculture, Agriculture and state, Congresses, Economic aspects of Agriculture, Environmental policy, Food contamination, Government policy, Mathematical models, Pesticides, Soil conservationPlaces
United StatesID Numbers
- OLID: OL1133685A
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August 19, 2008 | Edited by an anonymous user | fix author name |
April 1, 2008 | Created by an anonymous user | initial import |