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| Registros recuperados : 259 | |
| Registros recuperados : 259 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
28/12/2020 |
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Data da última atualização: |
28/12/2020 |
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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: |
SOUZA, L. P. F.; PAULA, M. T.; VELOSO, C. A. C.; CARVALHO, E. J. M.; SILVA, A. R.; PONTES, A. N.; SOUZA, M. J. R.; URBINATI, C. V.; NUNES, H. da C. B.; SIMÕES, P. H. O. |
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Afiliação: |
Luana Paula Freire Souza, UFPA; Manoel Tavares Paula, UFPA; CARLOS ALBERTO COSTA VELOSO, CPATU; EDUARDO JORGE MAKLOUF CARVALHO, CPATU; ARYSTIDES RESENDE SILVA, CPATU; Altem Nascimento Pontes, UFPA; Marcelo José Raiol Souza, UFPA; Claudia Viana Urbinati, UFPA; Henriqueta da Conceição Brito Nunes, UFPA; Pedro Henrique Oliveira Simões, UFRA. |
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Título: |
Evaluation of nitrogen fertilization for planting corn in a yellow latosol under no-tillage system. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Australian Journal of Crop Science, v. 14, n. 11, p. 1838-1843, 2020. |
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DOI: |
10.21475/ajcs.20.14.11.p2891 |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this work was to evaluate the efficiency of nitrogen fertilization in relation to the population of corn plants in a yellow latosol under no-tillage system. The experimental design was a randomized block with three replications, in a 4 x 4 factorial scheme, corresponding to four levels of N (0, 60, kg haˉ1 120 and 180) and four planting densities (45,000; 55,000; 65,000 and 75,000 plants haˉ1). 48 soil samples were collected to determine chemical soil attributes (pH, OM, K, Ca, Na, Mg and Al) and 48 leaf samples to determine macronutrients in the leaf (N, P, K, Na, Ca and Mg). The data were submitted to comparison of means by the Scott-Knott test. The corn yield increased linearly up to the dose of 180 kg haˉ1 N. Higher productivity was observed with the combination of 120 and 180 N (kg haˉ1) with the density of 75,000 plants ha-1. There was an increase in the N content in the leaves with increasing doses of N in the soil. |
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Thesagro: |
Fertilidade do Solo; Latossolo Amarelo; Milho; Nitrogênio; Zea Mays. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/219725/1/Australian-Journal-of-Crop-Science-2020.pdf
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Marc: |
LEADER 01874naa a2200301 a 4500
001 2128770
005 2020-12-28
008 2020 bl uuuu u00u1 u #d
024 7 $a10.21475/ajcs.20.14.11.p2891$2DOI
100 1 $aSOUZA, L. P. F.
245 $aEvaluation of nitrogen fertilization for planting corn in a yellow latosol under no-tillage system.$h[electronic resource]
260 $c2020
520 $aThe objective of this work was to evaluate the efficiency of nitrogen fertilization in relation to the population of corn plants in a yellow latosol under no-tillage system. The experimental design was a randomized block with three replications, in a 4 x 4 factorial scheme, corresponding to four levels of N (0, 60, kg haˉ1 120 and 180) and four planting densities (45,000; 55,000; 65,000 and 75,000 plants haˉ1). 48 soil samples were collected to determine chemical soil attributes (pH, OM, K, Ca, Na, Mg and Al) and 48 leaf samples to determine macronutrients in the leaf (N, P, K, Na, Ca and Mg). The data were submitted to comparison of means by the Scott-Knott test. The corn yield increased linearly up to the dose of 180 kg haˉ1 N. Higher productivity was observed with the combination of 120 and 180 N (kg haˉ1) with the density of 75,000 plants ha-1. There was an increase in the N content in the leaves with increasing doses of N in the soil.
650 $aFertilidade do Solo
650 $aLatossolo Amarelo
650 $aMilho
650 $aNitrogênio
650 $aZea Mays
700 1 $aPAULA, M. T.
700 1 $aVELOSO, C. A. C.
700 1 $aCARVALHO, E. J. M.
700 1 $aSILVA, A. R.
700 1 $aPONTES, A. N.
700 1 $aSOUZA, M. J. R.
700 1 $aURBINATI, C. V.
700 1 $aNUNES, H. da C. B.
700 1 $aSIMÕES, P. H. O.
773 $tAustralian Journal of Crop Science$gv. 14, n. 11, p. 1838-1843, 2020.
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Embrapa Amazônia Oriental (CPATU) |
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