976 resultados para Crop forage
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"May, 1954".
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Mode of access: Internet.
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Includes index.
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Mode of access: Internet.
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Latest issue consulted: Vol. 85, no. 30 (July 28, 1998).
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Mode of access: Internet.
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October 1979.
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Literature cited and selected references: p. 70-73.
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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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Bibliography: p. 27-28.