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dc.contributor.author
Carciochi, Walter Daniel
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Massigoge, I.
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Lapaz Olveira, Adrián Marcelo
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Reussi Calvo, Nahuel Ignacio
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Cafaro La Menza, F.
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Sainz Rozas, Hernan Rene
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Barbieri, Pablo Andres
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Di Napoli, M.
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Gonzalez Montaner, J.
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Ciampitti, I. A.
dc.date.available
2023-10-05T17:43:28Z
dc.date.issued
2021-11
dc.identifier.citation
Carciochi, Walter Daniel; Massigoge, I.; Lapaz Olveira, Adrián Marcelo; Reussi Calvo, Nahuel Ignacio; Cafaro La Menza, F.; et al.; Cover crop species can increase or decrease the fertilizer-nitrogen requirement in maize; American Society of Agronomy; Agronomy Journal; 113; 6; 11-2021; 5412-5423
dc.identifier.issn
0002-1962
dc.identifier.uri
http://hdl.handle.net/11336/214261
dc.description.abstract
Cover crop species and termination date could affect fertilizer-nitrogen (N) management and N diagnostic methods traditionally used in bare fallow-maize (Zea mays L.) systems. Our objectives were to (a) assess the effect of cover crop termination date on maize yield and response to fertilizer-N, (b) determine maize yield at varying N rates following different cover crop species and mixtures, and (c) evaluate the chlorophyll meter reading (CMR), grain N concentration (Nc), and grain N nutrition index (NNI) as N diagnostic methods. Experiments were conducted at four sites in the southeastern Argentinean Pampas with maize planted after cover crops. Factors investigated were cover crops with vetch (Vicia villosa Roth), vetch–oat (Avena sativa L.) mixture, or bare fallow; early termination of cover crops or ∼3 wk later; and maize fertilizer-N at 0, 50, 100, and 200 kg N ha–1. The minimum N rate that maximized grain yield was higher in vetch–oat mixture (100 kg N ha–1) than in vetch (50 kg N ha–1). Maize yield was not affected by cover crops with 200 kg N ha–1. Late termination dates of vetch–oat mixture reduced maize yield by 15% compared with early termination dates, while there was no effect of vetch termination date. Cover crop termination date did not affect yield response to fertilizer-N. Relative CMR at silking, grain Nc, and especially grain NNI at maturity were useful tools to diagnose maize N status and cover crop effect. Cover crop management should be considered to adjust the fertilizer N rate and optimize maize productivity.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Society of Agronomy
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Cover crops
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Corn
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Nitrogen
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Otras Ciencias de la Tierra y relacionadas con el Medio Ambiente
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
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CIENCIAS NATURALES Y EXACTAS
dc.title
Cover crop species can increase or decrease the fertilizer-nitrogen requirement in maize
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-10-05T14:56:43Z
dc.journal.volume
113
dc.journal.number
6
dc.journal.pagination
5412-5423
dc.journal.pais
Estados Unidos
dc.description.fil
Fil: Carciochi, Walter Daniel. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina
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Fil: Massigoge, I.. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina
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Fil: Lapaz Olveira, Adrián Marcelo. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina
dc.description.fil
Fil: Reussi Calvo, Nahuel Ignacio. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina
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Fil: Cafaro La Menza, F.. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina
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Fil: Sainz Rozas, Hernan Rene. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Buenos Aires Sur. Estación Experimental Agropecuaria Balcarce. Agencia de Extensión Rural Balcarce; Argentina
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Fil: Barbieri, Pablo Andres. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Buenos Aires Sur. Estación Experimental Agropecuaria Balcarce. Agencia de Extensión Rural Balcarce; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina
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Fil: Di Napoli, M.. No especifíca;
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Fil: Gonzalez Montaner, J.. No especifíca;
dc.description.fil
Fil: Ciampitti, I. A.. Kansas State University; Estados Unidos
dc.journal.title
Agronomy Journal
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/10.1002/agj2.20791
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1002/agj2.20791
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