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dc.contributor.author
Perez Brandan, Carolina Gabriela
dc.contributor.author
Meyer, Annabel
dc.contributor.author
Meriles, Jose Manuel
dc.contributor.author
Huidobro, Jorgelina
dc.contributor.author
Schloter, Michael
dc.contributor.author
Vargas Gil, Silvina
dc.date.available
2020-02-21T15:30:01Z
dc.date.issued
2018-05
dc.identifier.citation
Perez Brandan, Carolina Gabriela; Meyer, Annabel; Meriles, Jose Manuel; Huidobro, Jorgelina; Schloter, Michael; et al.; Relationships between soil physicochemical properties and nitrogen fixing, nitrifying and denitrifying under varying land-use practices in the northwest region of Argentina; Czech Academy of Agricultural Sciences; Soil and Water Research; 14; 1; 5-2018; 1-9
dc.identifier.issn
1801-5395
dc.identifier.uri
http://hdl.handle.net/11336/98266
dc.description.abstract
The aim of this study was to evaluate the response pattern of diazotrophic microbes, denitrifiers and nitrifiers to different types of land use management, such as soybean monoculture (M) during 5 and 24 years (M5 and M24) and soybean-maize rotation (R) during 4 and 15 years (R4 and R15) in two subsequent years at the time point of flowering. Soil samples from a site recently introduced into agriculture (RUA) and a pristine soil under native vegetation (NV) were used as controls. Abundances of different functional groups of microbes were assessed using the direct quantification of marker genes by quantitative real-time PCR using extracted DNA from rhizosphere samples. In addition, soil chemical and physical properties were analysed and correlated with the abundance data from the functional microbial groups under investigation. Overall, the results indicate that the abundance of nifH genes was higher under R treatments compared to M treatments. The abundance of ammonium monooxygenase genes amoA (AOA) was generally higher under rotation systems and decreased under M24. RUA evidenced a negative effect on the establishment and development of AOA communities. The influence of land use on nirS abundance was inconsistent. However, R treatments showed a high abundance of nirK genes compared to M treatments. In both growing seasons, the abundance of nosZ genes was higher under NV compared with the other treatments. Furthermore, M24 treatment was related to strongly changed chemical and physical soil properties compared with the other sites. As expected, soil samples from RUA showed the strong dynamics of measured parameters indicating the high sensitivity of soils under transition to environmental parameters. Our results also indicated that the long-term crop rotation modified the abundance of the investigated microbial groups compared to the monoculture and increased soil chemical and physical quality. Therefore, our results provide evidence for a stimulatory effect of the long-term crop rotation on the abundance of microbes involved in N transformation.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Czech Academy of Agricultural Sciences
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
AGRICULTURAL MANAGEMENT
dc.subject
DENITRIFICATION
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NITRIFICATION
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NITROGEN FIXATION
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SOYBEAN
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Ciencias del Suelo
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Agricultura, Silvicultura y Pesca
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CIENCIAS AGRÍCOLAS
dc.title
Relationships between soil physicochemical properties and nitrogen fixing, nitrifying and denitrifying under varying land-use practices in the northwest region of Argentina
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-02-19T18:03:08Z
dc.identifier.eissn
1805-9384
dc.journal.volume
14
dc.journal.number
1
dc.journal.pagination
1-9
dc.journal.pais
República Checa
dc.description.fil
Fil: Perez Brandan, Carolina Gabriela. Instituto Nacional de Tecnología Agropecuaria; Argentina
dc.description.fil
Fil: Meyer, Annabel. Helmholtz Center Munich German Research Center For Environmental Health; Alemania
dc.description.fil
Fil: Meriles, Jose Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina
dc.description.fil
Fil: Huidobro, Jorgelina. Instituto Nacional de Tecnología Agropecuaria; Argentina
dc.description.fil
Fil: Schloter, Michael. Helmholtz Center Munich German Research Center For Environmental Health; Alemania
dc.description.fil
Fil: Vargas Gil, Silvina. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigaciones Agropecuarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.journal.title
Soil and Water Research
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.agriculturejournals.cz/web/swr.htm?type=article&id=192_2017-SWR
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.17221/192/2017-SWR
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