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| 040 | _cCHUKA UNIVERSITY LIBRARY | ||
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_aARNTZEN,CHARLES J. _915898 |
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| 245 | _aCROP PRODUCTIVITY--RESEARCH IMPERATIVES REVISITED | ||
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_aMICHIGAN _bAN international conference held at Boyne Highlands Inn. _c1985 |
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| 300 | _a304p. | ||
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_acrop production _915899 |
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_2lcc _cBK _n0 |
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