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| Registros recuperados : 26 | |
| Registros recuperados : 26 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Arroz e Feijão. Para informações adicionais entre em contato com cnpaf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
28/12/2015 |
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Data da última atualização: |
29/03/2016 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
FAGERIA, N. K.; MELO, L. C.; CARVALHO, M. C. S. |
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Afiliação: |
NAND KUMAR FAGERIA, CNPAF; LEONARDO CUNHA MELO, CNPAF; MARIA DA CONCEICAO SANTANA CARVALHO, CNPAF. |
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Título: |
Influence of nitrogen on growth, yield, and yield components and nitrogen uptake and use efficiency in dry bean genotypes. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Communications in Soil Science and Plant Analysis, New York, v. 46, n. 19, p. 2395-2410, 2015. |
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DOI: |
10.1080/00103624.2015.1081696 |
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Idioma: |
Inglês |
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Conteúdo: |
Dry bean is an important legume and nitrogen (N) deficiency is one of the most yield-limiting factors in most of the bean-growing regions. A greenhouse experiment was conducted with the objective to determine influence of N on growth, yield, and yield components and N uptake and use efficiency of 23 dry bean genotypes. Straw yield, grain yield, yield components, maximum root length, and root dry weight were significantly increased with the addition of N but varied with genotypes. The N × genotype interactions were also significant for most of these traits, indicating variation in responses of genotypes with the variation in N levels. There was significant difference in N uptake and use efficiency among genotypes. Most of growth and yield components were significantly and positively associated with grain yield. Based on grain yield efficiency index (GYEI), genotypes were classified into efficient, moderately efficient, or inefficient group in N-use efficiency. Nitrogen concentration was greater in grain compared to straw, indicating greater N requirement of dry bean genotypes. |
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Thesagro: |
Feijão; Genótipo; Nitrogênio; Phaseolus vulgaris; Produtividade. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
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001 2032409
005 2016-03-29
008 2015 bl uuuu u00u1 u #d
024 7 $a10.1080/00103624.2015.1081696$2DOI
100 1 $aFAGERIA, N. K.
245 $aInfluence of nitrogen on growth, yield, and yield components and nitrogen uptake and use efficiency in dry bean genotypes.$h[electronic resource]
260 $c2015
520 $aDry bean is an important legume and nitrogen (N) deficiency is one of the most yield-limiting factors in most of the bean-growing regions. A greenhouse experiment was conducted with the objective to determine influence of N on growth, yield, and yield components and N uptake and use efficiency of 23 dry bean genotypes. Straw yield, grain yield, yield components, maximum root length, and root dry weight were significantly increased with the addition of N but varied with genotypes. The N × genotype interactions were also significant for most of these traits, indicating variation in responses of genotypes with the variation in N levels. There was significant difference in N uptake and use efficiency among genotypes. Most of growth and yield components were significantly and positively associated with grain yield. Based on grain yield efficiency index (GYEI), genotypes were classified into efficient, moderately efficient, or inefficient group in N-use efficiency. Nitrogen concentration was greater in grain compared to straw, indicating greater N requirement of dry bean genotypes.
650 $aFeijão
650 $aGenótipo
650 $aNitrogênio
650 $aPhaseolus vulgaris
650 $aProdutividade
700 1 $aMELO, L. C.
700 1 $aCARVALHO, M. C. S.
773 $tCommunications in Soil Science and Plant Analysis, New York$gv. 46, n. 19, p. 2395-2410, 2015.
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Embrapa Arroz e Feijão (CNPAF) |
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