28 resultados para agricultural resources use efficiency
em University of Michigan
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"References" at end of most of the chapters.
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"September 1992."
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Mode of access: Internet.
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Mode of access: Internet.
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Colorado Cooperative Wildlife Research Unit, Colorado A. & M College, Fort Collins, Colorado [and] Colorado Game and Fish Department, Denver, Colorado, cooperating.
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Mode of access: Internet.
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Mode of access: Internet.
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"These papers were presented at the 1991 meeting of the Society for Range Management in a Symposium titled "The Conservaton Reserve - Yesterday, Today and Tomorrow"--Pref.
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"EPA 231-R-98-001."
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Vols. 4 and 5, designed to contain the results of the astronomical observations, were not published. The material was published later by the U.S. Naval observatory in its Astronomical and meteorological observations. (Washington observations) for 1868, app. I, 1871, and Astronomical, magnetic and meteorological observations (Washington observations) for 1890, app. I, 1895.
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Mimeographed.
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Mimeographed.
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Mimeographed.
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Cover-title.
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Edited by Charles S. Hotchkiss.