935 resultados para Cropping systems and livestock
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"From the Encyclopedia Perthensis, with improvements."
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"June 1986."
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Includes index.
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"30 June 1986."
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"November 1989."
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"December 1989."
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Includes index.
Physiographic history and the soils, entrenched stream systems, and gullies, Harrison County, Iowa /
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Literature cited: p. 82-87.
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Caption title.
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Prepared in cooperation with the Center for Agricultural and Economic Development. Iowa Agriculture and Home Economics Experiment Station, Iowa State University.
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Mode of access: Internet.
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Mode of access: Internet.
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Running title: USDA structure, systems, and strategy.
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"June 1945."
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Riley J. Wilson, chairman.