Alternative cereal crop rotations in a no-tillage dryland under Mediterranean conditions

Cereal crops are frequently rotated with broadleaf crops to achieve the benefits associated with crop diversification. However, broadleaf crops often fail in Mediterranean drylands due to their lower adaptation to drought. Alternative cereal crops such as triticale (×Triticosecale Wittmack) and oat...

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Autores: Bettencourt Nascimento, José Gonçalo, Villegas, Dolors, Álvaro-Fuentes, Jorge, Cantero-Martínez, Carlos
Tipo de recurso: artículo
Fecha de publicación:2024
País:España
Institución:Institut de Recerca i Tecnologia Agroalimentàries (IRTA)
Repositorio:IRTA Pubpro. Open Digital Archive
OAI Identifier:oai:repositori.irta.cat:20.500.12327/3480
Acceso en línea:http://hdl.handle.net/20.500.12327/3480
https://doi.org/10.1002/agj2.21683
Access Level:acceso abierto
Palabra clave:633
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spelling Alternative cereal crop rotations in a no-tillage dryland under Mediterranean conditionsBettencourt Nascimento, José GonçaloVillegas, DolorsÁlvaro-Fuentes, JorgeCantero-Martínez, Carlos633Cereal crops are frequently rotated with broadleaf crops to achieve the benefits associated with crop diversification. However, broadleaf crops often fail in Mediterranean drylands due to their lower adaptation to drought. Alternative cereal crops such as triticale (×Triticosecale Wittmack) and oat (Avena sativa L.) can help diversify drylands in the Ebro valley, dominated by barley (Hordeum vulgare L.) and wheat (Triticum aestivum L.) cultivation. A 6-year field experiment was conducted with five crop sequences under no-tillage: triticale–wheat–barley (TWB), oat–wheat–barley (OWB), fallow–wheat–barley, monocrop wheat, and monocrop barley. Wheat and barley grain yield, N use efficiency, and water use efficiency responses were evaluated, and economic analyses of the whole sequences were performed. Oat increased subsequent wheat yields by 15% and barley yields by 12% (p < 0.001) compared to monocropping. Similar water and N availability at sowing suggest additional synergies in an OWB rotation (possibly pest reduction), contributing to the yield increase of both crops. However, this rotation was less profitable than a TWB rotation (p = 0.002) due to the limited adaptation of oat to Mediterranean settings. Long fallowing lacked consistent benefits in water and N availability for subsequent crops. This practice protects farmers from economic losses in low-yielding seasons, but there is an associated opportunity cost in favorable years. The introduction of alternative cereal crops has demonstrated benefits for wheat and barley production, although greater understanding of the synergistic mechanisms involved is essential to ascertain whether resource efficiency is maintained beyond the studied timeframe.info:eu-repo/semantics/publishedVersionWileyProducció VegetalCultius Extensius Sostenibles202420242024info:eu-repo/semantics/article13application/pdfhttp://hdl.handle.net/20.500.12327/3480https://doi.org/10.1002/agj2.21683reponame:IRTA Pubpro. Open Digital Archiveinstname:Institut de Recerca i Tecnologia Agroalimentàries (IRTA)InglésAgronomy JournalMINECO/Programa Estatal de I+D+I orientada a los retos de la sociedad/AGL2017-84529-C3-3-R/ES/Diversificación de cultivos para la sostenibilidad de los agrosistemas mediterráneos/ /Attribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessoai:repositori.irta.cat:20.500.12327/34802026-06-16T08:51:17Z
dc.title.none.fl_str_mv Alternative cereal crop rotations in a no-tillage dryland under Mediterranean conditions
title Alternative cereal crop rotations in a no-tillage dryland under Mediterranean conditions
spellingShingle Alternative cereal crop rotations in a no-tillage dryland under Mediterranean conditions
Bettencourt Nascimento, José Gonçalo
633
title_short Alternative cereal crop rotations in a no-tillage dryland under Mediterranean conditions
title_full Alternative cereal crop rotations in a no-tillage dryland under Mediterranean conditions
title_fullStr Alternative cereal crop rotations in a no-tillage dryland under Mediterranean conditions
title_full_unstemmed Alternative cereal crop rotations in a no-tillage dryland under Mediterranean conditions
title_sort Alternative cereal crop rotations in a no-tillage dryland under Mediterranean conditions
dc.creator.none.fl_str_mv Bettencourt Nascimento, José Gonçalo
Villegas, Dolors
Álvaro-Fuentes, Jorge
Cantero-Martínez, Carlos
author Bettencourt Nascimento, José Gonçalo
author_facet Bettencourt Nascimento, José Gonçalo
Villegas, Dolors
Álvaro-Fuentes, Jorge
Cantero-Martínez, Carlos
author_role author
author2 Villegas, Dolors
Álvaro-Fuentes, Jorge
Cantero-Martínez, Carlos
author2_role author
author
author
dc.contributor.none.fl_str_mv Producció Vegetal
Cultius Extensius Sostenibles
dc.subject.none.fl_str_mv 633
topic 633
description Cereal crops are frequently rotated with broadleaf crops to achieve the benefits associated with crop diversification. However, broadleaf crops often fail in Mediterranean drylands due to their lower adaptation to drought. Alternative cereal crops such as triticale (×Triticosecale Wittmack) and oat (Avena sativa L.) can help diversify drylands in the Ebro valley, dominated by barley (Hordeum vulgare L.) and wheat (Triticum aestivum L.) cultivation. A 6-year field experiment was conducted with five crop sequences under no-tillage: triticale–wheat–barley (TWB), oat–wheat–barley (OWB), fallow–wheat–barley, monocrop wheat, and monocrop barley. Wheat and barley grain yield, N use efficiency, and water use efficiency responses were evaluated, and economic analyses of the whole sequences were performed. Oat increased subsequent wheat yields by 15% and barley yields by 12% (p < 0.001) compared to monocropping. Similar water and N availability at sowing suggest additional synergies in an OWB rotation (possibly pest reduction), contributing to the yield increase of both crops. However, this rotation was less profitable than a TWB rotation (p = 0.002) due to the limited adaptation of oat to Mediterranean settings. Long fallowing lacked consistent benefits in water and N availability for subsequent crops. This practice protects farmers from economic losses in low-yielding seasons, but there is an associated opportunity cost in favorable years. The introduction of alternative cereal crops has demonstrated benefits for wheat and barley production, although greater understanding of the synergistic mechanisms involved is essential to ascertain whether resource efficiency is maintained beyond the studied timeframe.
publishDate 2024
dc.date.none.fl_str_mv 2024
2024
2024
dc.type.none.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/20.500.12327/3480
https://doi.org/10.1002/agj2.21683
url http://hdl.handle.net/20.500.12327/3480
https://doi.org/10.1002/agj2.21683
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Agronomy Journal
MINECO/Programa Estatal de I+D+I orientada a los retos de la sociedad/AGL2017-84529-C3-3-R/ES/Diversificación de cultivos para la sostenibilidad de los agrosistemas mediterráneos/ /
dc.rights.none.fl_str_mv Attribution-NonCommercial-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nc-nd/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Attribution-NonCommercial-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 13
application/pdf
dc.publisher.none.fl_str_mv Wiley
publisher.none.fl_str_mv Wiley
dc.source.none.fl_str_mv reponame:IRTA Pubpro. Open Digital Archive
instname:Institut de Recerca i Tecnologia Agroalimentàries (IRTA)
instname_str Institut de Recerca i Tecnologia Agroalimentàries (IRTA)
reponame_str IRTA Pubpro. Open Digital Archive
collection IRTA Pubpro. Open Digital Archive
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15.812429

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