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 | Acesso ao texto completo restrito à biblioteca da Embrapa Uva e Vinho. Para informações adicionais entre em contato com cnpuv.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Uva e Vinho. |
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Data corrente: |
09/11/2011 |
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Data da última atualização: |
31/01/2012 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BRUNETTO, G.; VNTURA, M.; SCANDELLARI, F.; CERETTA, C. A.; KAMINSKI, J.; MELO, G. W. B. de; TAGLIAVINI, M. |
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Afiliação: |
GUSTAVO BRUNETTO, UFSC; MAURIZIO VENTURA, UNIVERSITY OF BOLZANO; FRANCESCA SCANDELLARI, UNIVERSITY OF BOLZANO; CARLOS ALBERTO CERETTA, UFSM; JOÃO KAMINSKI, UFSM; GEORGE WELLINGTON BASTOS DE MELO, CNPUV; MASSIMO TAGLIAVINI, UNIVERSITY OF BOLZANO. |
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Título: |
Nutrient release during the decomposition of mowed perennial ryegrass and white clover and its contribution to nitrogen nutrition of grapevine. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Nutrient Cycling in Agroecosystems, Dordrecht, v. 90, n. 3, p. 299?308, jul. 2011. |
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Idioma: |
Português |
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Conteúdo: |
Sustainable management of mineral nutrition in vineyards, as well as in other fruit plantations, should aim at exploiting the use of internal sources of nutrients, in order to reduce the need for external nutrient inputs. In this paper we explore the potential of the grassed alleys to provide nutrients to the vines. We followed for one vegetative season the decomposition of ryegrass and clover, frequently present as floor vegetation in vineyards, using litter bags filled with 15N-enriched grass material. In addition, we quantified the amount of nitrogen (N) transferred from the decomposing litter to field-grown grapevines. Ryegrass and clover had a relatively rapid decomposition rate, with a loss of C approaching 80% in only 16 weeks. The release of nutrients was particularly fast for potassium (95% in 16 weeks) followed by nitrogen (80%), calcium (70-80%), phosphorus (65-85%), magnesium (70-75%), and sulfur (60-70%). In spite of the rapid release of N from decomposing material, the N uptake by grapevines was on average less than 4% of the initial amount of N present in the litter of ryegrass and clover. Even if N release during the decomposition of mowed perennial ryegrass and white clover little contributed to the N nutrition of grapevine in the same growing season, most N from mowed grassed was still recovered in the soil. |
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Palavras-Chave: |
Erva-castelhana; Nitrogêncio; Nutrição mineral. |
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Thesagro: |
Nutrição vegetal; Trevo Branco; Uva; Viticultura. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02210naa a2200277 a 4500
001 1905354
005 2012-01-31
008 2011 bl uuuu u00u1 u #d
100 1 $aBRUNETTO, G.
245 $aNutrient release during the decomposition of mowed perennial ryegrass and white clover and its contribution to nitrogen nutrition of grapevine.$h[electronic resource]
260 $c2011
520 $aSustainable management of mineral nutrition in vineyards, as well as in other fruit plantations, should aim at exploiting the use of internal sources of nutrients, in order to reduce the need for external nutrient inputs. In this paper we explore the potential of the grassed alleys to provide nutrients to the vines. We followed for one vegetative season the decomposition of ryegrass and clover, frequently present as floor vegetation in vineyards, using litter bags filled with 15N-enriched grass material. In addition, we quantified the amount of nitrogen (N) transferred from the decomposing litter to field-grown grapevines. Ryegrass and clover had a relatively rapid decomposition rate, with a loss of C approaching 80% in only 16 weeks. The release of nutrients was particularly fast for potassium (95% in 16 weeks) followed by nitrogen (80%), calcium (70-80%), phosphorus (65-85%), magnesium (70-75%), and sulfur (60-70%). In spite of the rapid release of N from decomposing material, the N uptake by grapevines was on average less than 4% of the initial amount of N present in the litter of ryegrass and clover. Even if N release during the decomposition of mowed perennial ryegrass and white clover little contributed to the N nutrition of grapevine in the same growing season, most N from mowed grassed was still recovered in the soil.
650 $aNutrição vegetal
650 $aTrevo Branco
650 $aUva
650 $aViticultura
653 $aErva-castelhana
653 $aNitrogêncio
653 $aNutrição mineral
700 1 $aVNTURA, M.
700 1 $aSCANDELLARI, F.
700 1 $aCERETTA, C. A.
700 1 $aKAMINSKI, J.
700 1 $aMELO, G. W. B. de
700 1 $aTAGLIAVINI, M.
773 $tNutrient Cycling in Agroecosystems, Dordrecht$gv. 90, n. 3, p. 299?308, jul. 2011.
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