000 01814naa a22005297a 4500
001 39649
003 CO-PlCIA
005 20130510152555.0
040 _aCO-PlCIA
_cCO-PlCIA
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
650 _aTillage
_9eng
650 _aMulches
_9eng
650 _aPennisetum purpureum
_9eng
650 _aNitrogen fertilizers
_9eng
650 _aProductivity
_9eng
650 _aSoil chemicophysical properties
_9eng
650 _aAcid soils
_9eng
650 _aNigeria
_9eng
650 _aZea mays
_9spa
650 _aLabranza
_9spa
650 _aMaterial orgánico de cobertura
_9spa
650 _aPennisetum purpureum
_9spa
650 _aAbonos nitrogenados
_9spa
650 _aProductividad
_9spa
650 _aPropiedades fisico-químicas suelo
_9spa
650 _aSuelo ácido
_9spa
650 _aNigeria
_9spa
653 _aForage
_9spa
653 _aForrajes
_9spa
653 _aFertilización
_9spa
653 _aArticles in proceedings
_9spa
653 _aArtículos en memorias
_9spa
653 _aQuímica y física del suelo
_9spa
653 _aFertilizing
_9eng
653 _aSoil chemistry and physics
_9eng
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
998 _aPASTOS
998 _aCATAL
653 _aBook chapters
_9eng
942 _2lcc
_cBKC
999 _c17220
_d17220