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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. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
26/11/2015 |
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Data da última atualização: |
19/02/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
FAGERIA, N. K.; CARVALHO, M. C. S.; SANTOS, F. C. dos. |
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Afiliação: |
NAND KUMAR FAGERIA, CNPAF; MARIA DA CONCEICAO SANTANA CARVALHO, CNPAF; FLAVIA CRISTINA DOS SANTOS, CNPMS. |
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Título: |
Response of upland rice genotypes to nitrogen fertilization. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Communications in Soil Science and Plant Analysis, New York, v. 45, n. 15, p. 2058-2066, 2014. |
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DOI: |
10.1080/00103624.2014.911301 |
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Idioma: |
Português |
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Conteúdo: |
Nitrogen (N) is one of the most yield-limiting nutrients for upland rice production in Brazilian Oxisol soils. A field experiment was conducted for two consecutive years at the National Rice and Bean Research Centers Experimental Station Capivara with the objective to evaluate 10 promising genotypes of upland rice for N-use efficiency. The N rates used were 0 kg ha-1 (low) and 100 kg ha-1 (high). Plant height, shoot dry weight, grain yield, panicle number, and 1000-grain weight were significantly influenced by N and genotype treatments. Nitrogen × genotype interactions were not significant for most of the growth, yield, and yield components, indicating that differences among genotypes were consistent across N rates. Based on grain yield efficiency index (GYEI), genotypes were classified as N efficient or inefficient. Among 10 genotypes, four genotypes were efficient and six were moderately efficient in N use in the first year. In the second year, three genotypes were efficient and seven were moderately efficient in N use. Genotype BRA 052015 was classified as efficient in N use in both the years. Grain harvest index and GYEI had significant linear relationships with grain yield. |
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Thesagro: |
Arroz; Fertilizante nitrogenado; Genótipo; Nitrogênio; Oryza sativa; Rendimento. |
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Thesaurus Nal: |
Grain yield; Rice; Yield components. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 01974naa a2200265 a 4500
001 2029601
005 2019-02-19
008 2014 bl uuuu u00u1 u #d
024 7 $a10.1080/00103624.2014.911301$2DOI
100 1 $aFAGERIA, N. K.
245 $aResponse of upland rice genotypes to nitrogen fertilization.$h[electronic resource]
260 $c2014
520 $aNitrogen (N) is one of the most yield-limiting nutrients for upland rice production in Brazilian Oxisol soils. A field experiment was conducted for two consecutive years at the National Rice and Bean Research Centers Experimental Station Capivara with the objective to evaluate 10 promising genotypes of upland rice for N-use efficiency. The N rates used were 0 kg ha-1 (low) and 100 kg ha-1 (high). Plant height, shoot dry weight, grain yield, panicle number, and 1000-grain weight were significantly influenced by N and genotype treatments. Nitrogen × genotype interactions were not significant for most of the growth, yield, and yield components, indicating that differences among genotypes were consistent across N rates. Based on grain yield efficiency index (GYEI), genotypes were classified as N efficient or inefficient. Among 10 genotypes, four genotypes were efficient and six were moderately efficient in N use in the first year. In the second year, three genotypes were efficient and seven were moderately efficient in N use. Genotype BRA 052015 was classified as efficient in N use in both the years. Grain harvest index and GYEI had significant linear relationships with grain yield.
650 $aGrain yield
650 $aRice
650 $aYield components
650 $aArroz
650 $aFertilizante nitrogenado
650 $aGenótipo
650 $aNitrogênio
650 $aOryza sativa
650 $aRendimento
700 1 $aCARVALHO, M. C. S.
700 1 $aSANTOS, F. C. dos
773 $tCommunications in Soil Science and Plant Analysis, New York$gv. 45, n. 15, p. 2058-2066, 2014.
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Embrapa Arroz e Feijão (CNPAF) |
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| 7. |  | ANDREAZZA, F.; BARONIO, C. A.; BOTTON, M.; VALGAS, R. A.; RITSCHEL, P. S.; MAIA, J. D. G.; NAVA, D. E. Suscetibilidade de bagas de genótipos de videira pela infestação por Drosophila suzukii (Diptera: Drosophilidae). Pesquisa Agropecuária Brasileira, Brasília, v. 51, n. 5, p. 599-606, maio 2016.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
| Biblioteca(s): Embrapa Clima Temperado; Embrapa Unidades Centrais; Embrapa Uva e Vinho. |
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| Registros recuperados : 8 | |
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