Cover crops affect the partial nitrogen balance in a maize-forage cropping system

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (Unesp)-
Autor(es): dc.contributorBangor Univ-
Autor(es): dc.contributorUniv Western Australia-
Autor(es): dc.contributorUniv Nottingham-
Autor(es): dc.creatorRocha, Kassiano F. [UNESP]-
Autor(es): dc.creatorSouza, Murilo de [UNESP]-
Autor(es): dc.creatorAlmeida, Danilo S. [UNESP]-
Autor(es): dc.creatorChadwick, David R.-
Autor(es): dc.creatorJones, Davey L.-
Autor(es): dc.creatorMooney, Sacha J.-
Autor(es): dc.creatorRosolem, Ciro A. [UNESP]-
Data de aceite: dc.date.accessioned2022-02-22T00:09:23Z-
Data de disponibilização: dc.date.available2022-02-22T00:09:23Z-
Data de envio: dc.date.issued2020-12-09-
Data de envio: dc.date.issued2020-12-09-
Data de envio: dc.date.issued2020-02-14-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.geoderma.2019.114000-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/196419-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/196419-
Descrição: dc.descriptionPart of the nitrogen (N) fertilizer applied to crops is lost to the environment, contributing to global warming, eutrophication, and groundwater contamination. However, low N supply stimulates soil organic N turnover and carbon (C) loss, since the soil N/C ratio in soil is quasi-constant, ultimately resulting in land degradation. Grasses such as ruzigrass (Urochloa ruziziensis) grown as winter pasture or a cover crop in rotation with maize (Zea mays) can reduce N leaching, however, this may induce N deficiency and depress yields in the subsequent maize crop. Despite the potential to decrease N loss, this rotation may negatively affect the overall N balance of the cropping system. However, this remains poorly quantified. To test this hypothesis, maize, fertilized with zero to 210 kg N ha(-1), was grown after ruzigrass, palisade grass (Urochloa brizanta) and Guinea grass (Pannicum maximum), and the N inputs, outputs and partial N balance determined. Despite the intrinsically poor soil quality associated with the tropical Ultisol, maize grown after the grasses was efficient in acquiring N, resulting in a negative N balance even when 210 kg ha(-1) of N was applied after Guinea grass. Losses by leaching, N2O emission and NH3 volatilization did not exceed 13.8 kg ha(-1) irrespective of the grass type. Despite a similar N loss among grasses, Guinea grass resulted in a higher N export in the maize grain due to a higher yield, resulting in a more negative N balance. Soil N depletion can lead to C loss, which can result in land degradation.-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionFAPEG Goids Research Foundation-
Descrição: dc.descriptionFAPEMA Maranhao Research Foundation-
Descrição: dc.descriptionBiotechnology and Biological Sciences Research Council-
Descrição: dc.descriptionSao Paulo State Univ, Sch Agr Sci, Dept Crop Sci, Univ Av 3780, BR-18610034 Botucatu, SP, Brazil-
Descrição: dc.descriptionBangor Univ, Sch Nat Sci, Bangor LL57 2UW, Gwynedd, Wales-
Descrição: dc.descriptionUniv Western Australia, UWA Sch Agr & Environm, Crawley, WA 6009, Australia-
Descrição: dc.descriptionUniv Nottingham, Fac Sci, Div Agr & Environm Sci, Sutton Bonington Campus, Loughborough LE12 SRB, Leics, England-
Descrição: dc.descriptionSao Paulo State Univ, Sch Agr Sci, Dept Crop Sci, Univ Av 3780, BR-18610034 Botucatu, SP, Brazil-
Descrição: dc.descriptionFAPESP: 2015/50305-8-
Descrição: dc.descriptionFAPEG Goids Research Foundation: 2015-10267001479-
Descrição: dc.descriptionFAPEMA Maranhao Research Foundation: RCUK-02771/16-
Descrição: dc.descriptionBiotechnology and Biological Sciences Research Council: BB/N013201/1-
Formato: dc.format7-
Idioma: dc.languageen-
Publicador: dc.publisherElsevier B.V.-
Relação: dc.relationGeoderma-
???dc.source???: dc.sourceWeb of Science-
Palavras-chave: dc.subjectCropping system-
Palavras-chave: dc.subjectTropical forage-
Palavras-chave: dc.subjectNitrogen balance-
Palavras-chave: dc.subjectNitrogen loss-
Palavras-chave: dc.subjectNitrogen volatilization-
Título: dc.titleCover crops affect the partial nitrogen balance in a maize-forage cropping system-
Tipo de arquivo: dc.typelivro digital-
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