000 | 00607nam a22001697a 4500 | ||
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003 | ISI Library, Kolkata | ||
005 | 20240112190943.0 | ||
008 | 231226b |||||||| |||| 00| 0 eng d | ||
040 |
_aISI Library _bEnglish |
||
082 |
_a73 630.7 _bIRB383 |
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110 |
_aIowa State College. _bAgricultural Experiment Station |
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245 |
_aThe economics and crop rotations and land use: _ba fundamental study in efficiency with emphasis on economic balance of forage and grain crops |
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260 |
_aIowa: _b[s.n.], _c1951 |
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490 |
_aResearch Bulletin _v383 |
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650 | _aAdministrative report | ||
942 |
_cRP _2ddc |
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999 |
_c432809 _d432809 |