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| 100 | 1 |
_982831 _aKESSEL, C. VAN |
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| 100 | 1 |
_998365 _aNAKAO, P. |
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| 260 | _c1986 | ||
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_9147942 _aFIJACION DE NITROGENO |
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_9156042 _aNITROGENO |
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_9146013 _aENSAYOS |
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_9152976 _aLEUCAENA LEUCOCEPHALA |
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_9162977 _aRHIZOBIUM |
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_9156032 _aNITROGEN |
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_9152976 _aLEUCAENA LEUCOCEPHALA |
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_tAgronomy Journal (EUA) _d1986 _gv.78(3)p.549-551 |
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| 040 |
_aCR-TuBCO _cCR-TuBCO _bEs |
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| 245 | 1 | 0 | _aThe use of nitrogen-15-depleted ammonium sulfate for estimating nitrogen fixation by leguminous trees |
| 942 | _cANA | ||
| 003 | CR-TuBCO | ||
| 999 |
_c53467 _d53467 |
||