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Registro Completo |
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
15/12/2017 |
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Data da última atualização: |
15/12/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
KOUCHER, L. P.; BRUNETTO, G.; MÜLLER JÚNIOR, V.; SOUZA, M.; LIMA, A. P.; GIACOMINI, S. J.; KURTZ, C.; COUTO, R. R.; CARRANCA, C. L. V. A. F.; COMIN, J. J. |
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Título: |
Nitrogen Transfer from Cover Crop Residues to Onion Grown under Minimum Tillage in Southern Brazil. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Revista Brasileira de Ciência do solo, Viçosa, MG, v. 41, p. 1-10, 2017. |
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Idioma: |
Inglês |
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Conteúdo: |
Nitrogen derived from cover crop residues may contribute to the nutrition
of onion grown under minimum tillage (MT) and cultivated in rotation. The aim of this
study was to evaluate the N transferred from different cover crop residues to the onion
crop cultivated under MT in southern Brazil. In June 2014, oilseed radish, black oat, and
oilseed radish + black oat residues labeled with 15N were deposited on the soil surface
before transplanting onions. During the growth season and at harvest, young expanded
onion leaves, complete plants, and samples from different soil layers were collected
and analyzed for recovery of 15N-labeled residue. Oilseed radish decomposed faster
than other residues and 4 % of residue N was recovered in leaves and bulbs at harvest,
but in general, N in plant organs was derived from sources other than the cover crop
residues. In addition, leaf N was in the proper range for all treatments and was adequately
mobilized to the bases for bulbing. The N derived from decomposing residues contributed
little to onion development and the use of these plants should be chosen based on their
advantages for physical and biological soil quality |
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Palavras-Chave: |
Allium cepa L; plant 15N recovery; plant N partition; residue N; soil 15N. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02030naa a2200289 a 4500
001 1126995
005 2017-12-15
008 2017 bl uuuu u00u1 u #d
100 1 $aKOUCHER, L. P.
245 $aNitrogen Transfer from Cover Crop Residues to Onion Grown under Minimum Tillage in Southern Brazil.$h[electronic resource]
260 $c2017
520 $aNitrogen derived from cover crop residues may contribute to the nutrition of onion grown under minimum tillage (MT) and cultivated in rotation. The aim of this study was to evaluate the N transferred from different cover crop residues to the onion crop cultivated under MT in southern Brazil. In June 2014, oilseed radish, black oat, and oilseed radish + black oat residues labeled with 15N were deposited on the soil surface before transplanting onions. During the growth season and at harvest, young expanded onion leaves, complete plants, and samples from different soil layers were collected and analyzed for recovery of 15N-labeled residue. Oilseed radish decomposed faster than other residues and 4 % of residue N was recovered in leaves and bulbs at harvest, but in general, N in plant organs was derived from sources other than the cover crop residues. In addition, leaf N was in the proper range for all treatments and was adequately mobilized to the bases for bulbing. The N derived from decomposing residues contributed little to onion development and the use of these plants should be chosen based on their advantages for physical and biological soil quality
653 $aAllium cepa L
653 $aplant 15N recovery
653 $aplant N partition
653 $aresidue N
653 $asoil 15N
700 1 $aBRUNETTO, G.
700 1 $aMÜLLER JÚNIOR, V.
700 1 $aSOUZA, M.
700 1 $aLIMA, A. P.
700 1 $aGIACOMINI, S. J.
700 1 $aKURTZ, C.
700 1 $aCOUTO, R. R.
700 1 $aCARRANCA, C. L. V. A. F.
700 1 $aCOMIN, J. J.
773 $tRevista Brasileira de Ciência do solo, Viçosa, MG$gv. 41, p. 1-10, 2017.
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| 1. |  | MEZZALIRA, J. C.; PINTO, M. G. L.; ZAGO, F. C.; SILVA, A. M.; ALBINO, N.; KLEIN, N.; BORDIGNON, V.; OHLWEILER, L. U.; MEZZALIRA, A. Prenancy of cloned embryos a freemartin cow and endangered breed. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE TECNOLOGIA DE EMBRIÕES, 25., 2011, Cumbuco, CE. [Anais...]. Porto Alegre, RS: UFRGS, 2011. p. 444.| Tipo: Resumo em Anais de Congresso | Circulação/Nível: -- - -- |
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