Impact of nitrogen fertilization and soil tillage on arbuscular mycorrhizal fungal communities in a Mediterranean agroecosystem (Articolo in rivista)

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  • Impact of nitrogen fertilization and soil tillage on arbuscular mycorrhizal fungal communities in a Mediterranean agroecosystem (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Alternative label
  • Avio L., Castaldini M., Fabiani A., Bedini S., Sbrana C., Turrini A., Giovannetti M. (2013)
    Impact of nitrogen fertilization and soil tillage on arbuscular mycorrhizal fungal communities in a Mediterranean agroecosystem
    in Soil biology & biochemistry
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Avio L., Castaldini M., Fabiani A., Bedini S., Sbrana C., Turrini A., Giovannetti M. (literal)
Pagina inizio
  • 285 (literal)
Pagina fine
  • 294 (literal)
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  • 67 (literal)
Rivista
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  • 10 (literal)
Note
  • Scopu (literal)
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  • Istituto di Biologia e Biotecnologia Agraria CNR, AT Pisa, Via del Borghetto 80, 56124 Pisa, Italy; Consiglio per la Ricerca e Sperimentazione in Agricoltura, Centro di Ricerca per l'Agrobiologia e la Pedologia CRA-ABP, Piazza Massimo D'Azeglio 30, 50121 Firenze, Italy; Dipartimento di Scienze Agrarie, Alimentari e Agro-Ambientali, Università di Pisa, Via del Borghetto 80, 56124 Pisa, Italy (literal)
Titolo
  • Impact of nitrogen fertilization and soil tillage on arbuscular mycorrhizal fungal communities in a Mediterranean agroecosystem (literal)
Abstract
  • The impact of nitrogen (N) fertilization and tillage on arbuscular mycorrhizal fungi (AMF) was studied in a Mediterranean arable system by combining molecular, biochemical and morphological analyses of field soil and of soil and roots from trap plants grown in microcosm. Canonical correspondence analysis (CCA) of PCReDGGE banding patterns evidenced that AMF communities in the field are affected by N-fertilization and tillage. N-fertilization was also the main factor shaping AMF communities in Medicago sativa trap plant soil and roots. The overall sporulation pattern of the different AMF species showed a predominant effect of tillage on AMF communities, as shown by CCA analysis. Funneliformis mosseae was the predominant species sporulating in tilled soils, while Glomus viscosum and Glomus intraradices prevailed in no-tilled soils. Field glomalin-related soil protein content was reduced by tillage practices. Our multimodal approach, providing data on two main production factors affecting soil AMF communities, may help implementing effective agricultural management strategies able to support the beneficial relationship between crops and native AMF symbionts. (literal)
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