000 | 01814naa a22005297a 4500 | ||
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001 | 39649 | ||
003 | CO-PlCIA | ||
005 | 20130510152555.0 | ||
040 |
_aCO-PlCIA _cCO-PlCIA |
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041 | _aspa | ||
050 | _aS 622 .2 S644 | ||
245 | _aTillage, mulch and nitrogen interactions on the productivity of a tropical ultisol | ||
100 | _aMbagwu, J.S.C. | ||
008 | 120502t1992 000 0sspa d | ||
300 | _ap. 589-597 | ||
650 |
_aZea mays _9eng |
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650 |
_aTillage _9eng |
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650 |
_aMulches _9eng |
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650 |
_aPennisetum purpureum _9eng |
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650 |
_aNitrogen fertilizers _9eng |
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650 |
_aProductivity _9eng |
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650 |
_aSoil chemicophysical properties _9eng |
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650 |
_aAcid soils _9eng |
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650 |
_aNigeria _9eng |
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650 |
_aZea mays _9spa |
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650 |
_aLabranza _9spa |
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650 |
_aMaterial orgánico de cobertura _9spa |
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650 |
_aPennisetum purpureum _9spa |
||
650 |
_aAbonos nitrogenados _9spa |
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650 |
_aProductividad _9spa |
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650 |
_aPropiedades fisico-químicas suelo _9spa |
||
650 |
_aSuelo ácido _9spa |
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650 |
_aNigeria _9spa |
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653 |
_aForage _9spa |
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653 |
_aForrajes _9spa |
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653 |
_aFertilización _9spa |
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653 |
_aArticles in proceedings _9spa |
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653 |
_aArtículos en memorias _9spa |
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653 |
_aQuímica y física del suelo _9spa |
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653 |
_aFertilizing _9eng |
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653 |
_aSoil chemistry and physics _9eng |
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773 |
_tIn: International Soil Tillage Research Organization. Conference (12, 1991, Ibadan, Nigeria). Soil tillage and agricultural sustainability: Proceedings _dColumbus, OH, USA, Ohio State University; Ibadan, NG : International Institute of Tropical Agriculture (IITA); University of Ibadan, 1992 |
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998 | _aPASTOS | ||
998 | _aCATAL | ||
653 |
_aBook chapters _9eng |
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942 |
_2lcc _cBKC |
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999 |
_c17220 _d17220 |