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Título

Tillage system did not affect weed diversity in a 23-year experiment in Mediterranean dryland

AutorHernández Plaza, María Eva ; Kozak, M.; Navarrete, Luis; González-Andújar, José Luis
Palabras claveCrop rotation
Conservation tillage
Diversity indices
Long-term experiment
Species richness
Fecha de publicación30-ene-2011
EditorElsevier
CitaciónAgriculture, Ecosystems & Environment 140(1-2): 102-105 (2011)
ResumenThis study investigated whether the choice of a tillage system (no-tillage, minimum tillage or traditional tillage) affected weed diversity in a 23 years cereal–leguminous rotation system in Spain. Weed diversity was assessed using common diversity indices: species richness, Shannon's index and Pieloús evenness. Linear mixed-effects models were employed to compare the tillage systems. It was found that after 23 years no large differences between tillage systems have arisen related to weed diversity. Only minimum tillage appeared to support, on average, more species than the two other tillage systems. Richness, Shannon diversity index and evenness varied largely through the years in all tillage systems but this variation was not related to type of crop sown (cereal or leguminous). Our results highlight that conservation tillage practices did not represent any concern for weed diversity conservation in cereal–leguminous rotations in the conditions of central Spain.
Versión del editorhttp://dx.doi.org/10.1016/j.agee.2010.11.016
URIhttp://hdl.handle.net/10261/33688
DOI10.1016/j.agee.2010.11.016
ISSN0167-8809
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