The structural classification of field boundaries in Mediterranean arable cropping systems allows the prediction of weed abundances in the boundary and in the adjacent crop
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Date
2019
Authors
Cirujeda Ranzenberger, AliciaPardo Sanclemente, Gabriel
Marí León, Ana Isabel
Aibar Lete, Joaquín
Pallavicini, Y.
Gonzalez-Andujar, J. L.
Recasens Guinjuan, Jordi
Sole-Senan, X. O.
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Journal ContributionArticle
Abstract
Boundary structure can hinder or facilitate disturbance of the boundary vegetation by farming practices, such as herbicide and fertiliser drift and occasional cultivation; this may affect their potential role as a weed reservoir. It would be relevant for researchers, farmers and legislators to know whether relationships exist between boundary structure and weed abundance and frequency in boundaries and adjacent fields. In this study, we present a classification of arable field boundaries based on five descriptors: presence of a bank, width, percentage cover of woody and evergreen perennials (WEP), presence of a stonewall and presence of trees. Five types of boundaries are identified, ranging from structurally simple ones (flat, narrow, dominated by annual species) to structurally complex ones (presence of a bank, more than 3 m wide, dominated by WEP). Data from three Spanish regions were used to validate this classification, and the five boundary classes contained different plant communities. Structurally simple, flat and narrow boundaries contained many of the weed species found also in the field centre and with high abundance. More complex, wider boundaries with a slope and a WEP >60%, had a lower probability of hosting the main weeds present in the field centres. Assessment of weed frequency and abundance gave complementary information. The proposed classification of field boundaries may be easily used by farmers and allows adjustment of field margin management to risks posed by the field boundary, in terms of hosting common weeds of arable crops.
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Bibliographic citation
Cirujeda, A.; Pardo, G.; Mari, A. I.; Aibar, J.; Pallavicini, Y.; Gonzalez-Andujar, J. L.; Recasens, J.; Sole-Senan, X. O. The structural classification of field boundaries in Mediterranean arable cropping systems allows the prediction of weed abundances in the boundary and in the adjacent crop. Weed Research, 2019, 59, 4, 300-311
AGROVOC subjects
Cultivos perenneVegetación
Malezas
Límite
Parcela
Other field subjects
AssemblagesBank
Biodiversity
Diversity
fertilizer
Field Margins
Flora
Functional Traits
growth form
Impact
Margins
Multivariate Analysis
Non-metric multidimensional scaling
perennial species
WIDTH
Sponsorship
We thank S. Murillo and R. Gurrucharri (Government of Aragon) for their help in choosing the boundaries and FEDER funds and the Spanish Ministry of Economy and Competitiveness for supporting this work (Projects AGL2007-60828, AGL2010-22084- C02-02 and AGL2012-33736). YP was supported by an FPI (Spanish Ministry of Economy and Competitiveness) scholarship. XS was supported by a UdL (Universitat de Lleida) scholarship. Thanks to J. Torra, A. Royo and J.A. Conesa in the field surveys. Finally, we thank the reviewers, subject editor and EiC for useful improvements of the MS