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| 003 | CHAP | ||
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| 008 | 971013s1981 r 00010 d | ||
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| 090 | _aFolleto 10614 | ||
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_aCrosson, Pierre R. _929199 |
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_aConservation tillage and conventional tillage _b: a comparative assessment |
||
| 260 |
_aAnkeny, Iowa : _bSoil Conservation Society of America, _c1981 |
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| 300 | _a35 p. | ||
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_aBATCH-UPD _b10 _c20130110 _lUCH01 _h0033 |
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_aLabranza. _964303 |
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