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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
05/12/2013 |
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Data da última atualização: |
20/10/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
COUTINHO NETO, A. M.; COUTINHO, E. L. M.; ORIOLI JÚNIOR, V.; CORÁ, J. E.; SILVA, A. R. B. e; SCATOLIN, M. |
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Afiliação: |
André Mendes COUTINHO NETO, GRADUANDO UNESP; Edson Luiz Mendes COUTINHO, UNESP; Valdeci ORIOLI JÚNIOR, IFTM; José Eduardo CORÁ, UNESP; ALYSSON ROBERTO BAIZI E SILVA, CPATU; Marcelo SCATOLIN, UNESP. |
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Título: |
Nitrogen fertilization management in no-tillage maize with different witer crops. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Bioscience Journal, Uberlândia, v. 29, n. 6, p. 1981-1988, Nov./Dec. 2013. |
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Idioma: |
Inglês |
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Conteúdo: |
The nitrogen (N) utilization by maize grown in a no-tillage system is dependent on the quality of the preceding crop residues, which may promote differences in N fertilization efficiency with respect to time. Thus, the purpose of this study was to evaluate the nutritional state, dry matter production and grain yield of maize grown in a clayey soil (Typic Acrustox) under a no-tillage system. The split-plot experimental design was set up in randomized complete blocks with three replications, in which the main plot was treated with different N application strategies and the split-plots were planted with winter crops (soybean and maize). The fertilizer strategies (rate: 120 kg ha-1 of N) used were as follows: (0 ? 0), (20 ? 100), (60 ? 60), (120 ? 0) and (0 ? 120), with the first number corresponding to the rate of N (kg ha-1) applied before planting and the second number corresponding to the top dressing rate (V4-5 stage). Nitrogen fertilization raised the N content (in shoots and leaves) and maize yield (in the shoot dry matter and grain). The maize grown after soybean had both greater N concentrations and production (dry matter and grain) relative to the maize grown after maize. Applying 120 kg ha-1 N did not significantly affect the evaluated variables, regardless of the winter crop. |
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Palavras-Chave: |
Adubação nitrogenada. |
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Thesagro: |
Manejo; Milho; Plantio Direto. |
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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/93576/1/Artigo-Revista-B1-1.pdf
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Marc: |
LEADER 01991naa a2200229 a 4500
001 1973014
005 2022-10-20
008 2013 bl uuuu u00u1 u #d
100 1 $aCOUTINHO NETO, A. M.
245 $aNitrogen fertilization management in no-tillage maize with different witer crops.$h[electronic resource]
260 $c2013
520 $aThe nitrogen (N) utilization by maize grown in a no-tillage system is dependent on the quality of the preceding crop residues, which may promote differences in N fertilization efficiency with respect to time. Thus, the purpose of this study was to evaluate the nutritional state, dry matter production and grain yield of maize grown in a clayey soil (Typic Acrustox) under a no-tillage system. The split-plot experimental design was set up in randomized complete blocks with three replications, in which the main plot was treated with different N application strategies and the split-plots were planted with winter crops (soybean and maize). The fertilizer strategies (rate: 120 kg ha-1 of N) used were as follows: (0 ? 0), (20 ? 100), (60 ? 60), (120 ? 0) and (0 ? 120), with the first number corresponding to the rate of N (kg ha-1) applied before planting and the second number corresponding to the top dressing rate (V4-5 stage). Nitrogen fertilization raised the N content (in shoots and leaves) and maize yield (in the shoot dry matter and grain). The maize grown after soybean had both greater N concentrations and production (dry matter and grain) relative to the maize grown after maize. Applying 120 kg ha-1 N did not significantly affect the evaluated variables, regardless of the winter crop.
650 $aManejo
650 $aMilho
650 $aPlantio Direto
653 $aAdubação nitrogenada
700 1 $aCOUTINHO, E. L. M.
700 1 $aORIOLI JÚNIOR, V.
700 1 $aCORÁ, J. E.
700 1 $aSILVA, A. R. B. e
700 1 $aSCATOLIN, M.
773 $tBioscience Journal, Uberlândia$gv. 29, n. 6, p. 1981-1988, Nov./Dec. 2013.
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Registro original: |
Embrapa Amazônia Oriental (CPATU) |
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