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DIGITAL.CSIC
Article . 2011 . Peer-reviewed
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Cultivo de la colza: influencia de la fertilización en el rendimiento

Authors: García Ciudad, Antonia; Vázquez de Aldana, Beatriz R.; Petisco, Cristina; García Criado, Luis; Jiménez Mateos, M. Ángeles; García Criado, Balbino;

Cultivo de la colza: influencia de la fertilización en el rendimiento

Abstract

La colza, cultivo de gran expansión en la agricultura europea, presenta múltiples formas de aprovechamiento: alimentación humana, animal y usos industriales. En este artículo se estudia la producción de semilla de colza, variedad "ES Hydromel", y la concentración y producción de aceite de la semilla, bajo la influencia de diversos tratamientos de fertilización. El ensayo se realizó en secano (siembra otoñal), en una zona semiárida de la provincia de Salamanca. Los resultados mostraron que la producción de semilla se incrementa significativamente (p<0,05) con la adición de fertilizantes; con un aporte adecuado se consiguieron producciones más de cuatro veces superiores a las obtenidas sin fertilización alguna (valores medios comprendidos entre 823 kg ha-1 y 3866 kg ha-1). Asimismo, la producción de aceite puede incrementarse también más de cuatro veces, con las dosis más altas de fertilizante (valores medios desde 352 Kg ha-1 hsta 1544 ha-1). Sin embargo, la concentración de aceite en la semilla, disminuyó de forma gradual al aumentar la dosis de fertilizante nitrogenado, aunque sólo se obtuvieron diferencias significativs entre los niveles más bajos de fertilización y los más altos. Las concentraciones medias de aceite oscilaron entre 39,8% y 45,1%.

Este trabajo ha sido subvencionado por la Empresa FRE-TIBERIA S.A. (Proy. Ref.: OTT: 2006006-3), Junta de Castilla y León (Proy. Ref.: CSI04A07) y Proyecto: 0128_PROBIOENER_2_E (Programa de Cooperación Transfronteriza España-Portugal, UE/FEDER)

Peer reviewed

6 páginas

Country
Spain
Related Organizations
Keywords

ES Hydromel, Fertilizantes, Colza, Cultivos

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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