查詢 text:Agricultural conservation United States. ，共 8 筆
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16 0 0 0 0Careers in the US Department of Agriculture :you can become an important part of the USDA, a vital resource for farmers and all who are interested in agriculture, preservation of wildlife, nutrition, and economic growth.
- 作者: Institute for Career Research.
- 出版: [Chicago, Ill.] : Institute for Career Research ©2005.
- 資料類型: 電子書
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109 0 0 0 0
Land use problems and conflicts :causes, consequences and solutions
- 作者: Goetz, Stephan J.
- 出版: London ;New York : Routledge 2005.
- 資料類型: 電子書
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16 0 0 0 0
Ogallala :water for a dry land
- 作者: Opie, John,
- 出版: Lincoln : University of Nebraska Press ©1993.
- 資料類型: 電子書
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9 0 0 0 0
Ecoagriculture :strategies to feed the world and save biodiversity
- 作者: McNeely, Jeffrey A.
- 出版: Washington : Island Press ©2003.
- 資料類型: 電子書
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9 0 0 0 0
Coca, cocaine, and the Bolivian reality
- 作者: Léons, Madeline Barbara.
- 出版: Albany : State University of New York Press ©1997.
- 資料類型: 電子書
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81 0 0 0 0
Laws of the landscape :how policies shape cities in Europe and America
- 作者: Nivola, Pietro S.
- 出版: Washington, D.C. : Brookings Institution ©1999.
- 資料類型: 電子書
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11 0 0 0 0
Wood in Our Future :Proceedings of a Symposium, Environmental Implications of Wood as a Raw Material for Industrial Use
- 作者: National Research Council (U.S.).
- 出版: Washington, D.C. : National Academy Press 1997.
- 資料類型: 電子書
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8 0 0 0 0
Upstream :salmon and society in the Pacific Northwest
- 作者: National Research Council (U.S.).
- 出版: Washington, D.C. : National Academy Press 1996.
- 資料類型: 電子書