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Interacción de densidades de siembra de cebada y rotaciones de cultivo sobre la flora arvense y rendimientos de cultivos

Authors: Lacasta Dutoit, Carlos; Meco, R.; Estalrich, E.; Martín de Eugenio, Luis;

Interacción de densidades de siembra de cebada y rotaciones de cultivo sobre la flora arvense y rendimientos de cultivos

Abstract

La rotación de cultivos y las densidades de siembra han sido métodos tradicionales para el control de las hierbas acompañantes en los secanos españoles, que se ha visto desplazada por factores económicos, monocultivo de cereal y uso de herbicidas. En este trabajo se pretende evaluar la capacidad de dos rotaciones tradicionales (cereal - veza forraje y cereal - girasol) combinadas con diferentes densidades de siembra (80, 160 y 240 kg/ha) y se comparan con un monocultivo al que se le somete también a las mismas densidades de siembra. Los resultados indican que después de once años de experimentación, la meteorología es el factor más importante no sólo de la producción de los cultivos de secano sino de los problemas relacionados con la competencia de la flora arvense. Las rotaciones de cultivo son suficientes para el control de la flora arvense y además el rendimiento aumenta un 30% cuando se compara con un monocultivo de cebada. El aumento de las densidades de siembra no produce ningún aumento de la productividad en las rotaciones de cultivo pero si en monocultivo convencional.

10 páginas, tablas estadísticas.

Peer reviewed

Keywords

Herbicidas, Meteorología y malas hierbas

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selected citations
These citations are derived from selected sources.
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.
BIP!Impulse provided by BIP!
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