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Improvement of soil physical quality with no tillage in semiarid agricultural lands of Aragon (NE Spain)

AuthorsBlanco-Moure, Nuria ; López Sánchez, María Victoria ; Angurel, Luis A.; Moret-Fernández, David ; Gracia Ballarín, Ricardo
KeywordsNo tillage
soil aggregates
tensile strength
soil structure
Issue Date4-Oct-2010
PublisherAsociación Española de Agricultura de Conservación Suelos Vivos
Ministerio de Medio Ambiente y Medio Rural y Marino (España)
CitationEuropean Congress on Conservation Agriculture (Madrid, Spain, 4-7/10/2010) : Towards agro-environmental climate and enegetic sustainability. Proceedings: 256-260.
AbstractTensile strength (TS), water aggregate stability (WAS) and organic carbon (OC) content were measured in soil surface aggregates collected from a dryland cereal field of semiarid Aragon. Three tillage treatments were considered (conventional tillage, CT; reduced tillage, RT; and no tillage, NT) and compared with an adjacent natural soil (NAT). With respect to CT, soil physical quality was improved with adoption of NT. However, NAT soils show the best structural condition. The OC of aggregates was a key factor to explain the differences among soil management. Our results show that in semiarid Aragon, conservation tillage practices as NT can improve soil structure by enhancing soil organic carbon content.
Description4 Pag., 5 Figs.
Appears in Collections:(EEAD) Comunicaciones congresos
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