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Registro Completo
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Biblioteca(s): |
Embrapa Pesca e Aquicultura. |
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Data corrente: |
20/06/2017 |
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Data da última atualização: |
25/10/2017 |
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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: |
ALMEIDA, R. E. M. de; FAVARIN, J. L.; OTTO, R.; PIEROZAN JUNIOR, C.; OLIVEIRA, S. M. de; TEZOTTO, T.; LAGO, B. C. |
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Afiliação: |
RODRIGO ESTEVAM MUNHOZ DE ALMEIDA, CNPASA; JOSE LAERCIO FAVARIN, ESALQ; RAFAEL OTTO, ESALQ; CLOVIS PIEROZAN JUNIOR, ESALQ; SILAS MACIEL DE OLIVEIRA, ESALQ; TIAGO TEZOTTO, ESALQ; BRUNO COCCO LAGO, ESALQ. |
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Título: |
Effects of nitrogen fertilization on yield components in a corn-palisadegrass intercropping system. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Australian Journal of Crop Science, v. 11, n. 3, p. 352-359, 2017. |
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ISSN: |
1835-2707 |
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DOI: |
10.21475/ajcs.17.11.03.pne273 |
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Idioma: |
Inglês |
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Conteúdo: |
Pasture and grain crop intercropping is considered an alternative for increasing biomass production during the winter periods in Brazil for the establishment of no-tillage systems. We studied nitrogen (N) fertilization rates in a corn-palisadegrass intercropping system that would allow both corn and biomass production without a reduction in corn yield. A field trial was carried out in São Desidério, Bahia - Brazil using a complete block experimental design with a 5 x 2 factorial layout with two factors: N rate (control, 50, 100, 150, and 200 kg ha-1 N) and two cropping systems (corn with or without palisadegrass). Both corn and palisadegrass were sown simultaneously with N fertilizer applied at sowing. The measurements included corn biomass, grain yield and N uptake. In addition, palisadegrass biomass was assessed at corn harvest and at three consecutive times during the winter. There was an interaction between N rates and the intercropping system. Grain yield was affected by intercropping when N fertilizer rates were lower than 100 kg ha-1, but above that rate, corn grain yield reached 10,000 kg ha-1 and was similar with or without palisadegrass. Nitrogen fertilizers also positively affected corn N uptake. There was no residual effect of N fertilization on palisadegrass biomass production during the sampling periods. However, the biomass of the palisadegrass increased during the winter period and reached 5,000 kg ha-1 of dry matter by the following season. There was no corn yield reduction when corn was intercropped with palisadegrass using nitrogen rates above 100 kg ha-1. In addition, it is possible to increase biomass production for the establishment of no-tillage systems in Brazil. MenosPasture and grain crop intercropping is considered an alternative for increasing biomass production during the winter periods in Brazil for the establishment of no-tillage systems. We studied nitrogen (N) fertilization rates in a corn-palisadegrass intercropping system that would allow both corn and biomass production without a reduction in corn yield. A field trial was carried out in São Desidério, Bahia - Brazil using a complete block experimental design with a 5 x 2 factorial layout with two factors: N rate (control, 50, 100, 150, and 200 kg ha-1 N) and two cropping systems (corn with or without palisadegrass). Both corn and palisadegrass were sown simultaneously with N fertilizer applied at sowing. The measurements included corn biomass, grain yield and N uptake. In addition, palisadegrass biomass was assessed at corn harvest and at three consecutive times during the winter. There was an interaction between N rates and the intercropping system. Grain yield was affected by intercropping when N fertilizer rates were lower than 100 kg ha-1, but above that rate, corn grain yield reached 10,000 kg ha-1 and was similar with or without palisadegrass. Nitrogen fertilizers also positively affected corn N uptake. There was no residual effect of N fertilization on palisadegrass biomass production during the sampling periods. However, the biomass of the palisadegrass increased during the winter period and reached 5,000 kg ha-1 of dry matter by the following season. There was no corn... Mostrar Tudo |
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Palavras-Chave: |
Pasture establishment. |
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Thesagro: |
Cultivo intercalado; Fertilizante nitrogenado; Milho; Plantio direto. |
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Thesaurus NAL: |
Corn; Intercropping; No-tillage; Urea; Urochloa ruziziensis. |
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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/160861/1/CNPASA-2017-ajcs.pdf
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|
Marc: |
LEADER 02700naa a2200337 a 4500
001 2071116
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008 2017 bl uuuu u00u1 u #d
022 $a1835-2707
024 7 $a10.21475/ajcs.17.11.03.pne273$2DOI
100 1 $aALMEIDA, R. E. M. de
245 $aEffects of nitrogen fertilization on yield components in a corn-palisadegrass intercropping system.$h[electronic resource]
260 $c2017
520 $aPasture and grain crop intercropping is considered an alternative for increasing biomass production during the winter periods in Brazil for the establishment of no-tillage systems. We studied nitrogen (N) fertilization rates in a corn-palisadegrass intercropping system that would allow both corn and biomass production without a reduction in corn yield. A field trial was carried out in São Desidério, Bahia - Brazil using a complete block experimental design with a 5 x 2 factorial layout with two factors: N rate (control, 50, 100, 150, and 200 kg ha-1 N) and two cropping systems (corn with or without palisadegrass). Both corn and palisadegrass were sown simultaneously with N fertilizer applied at sowing. The measurements included corn biomass, grain yield and N uptake. In addition, palisadegrass biomass was assessed at corn harvest and at three consecutive times during the winter. There was an interaction between N rates and the intercropping system. Grain yield was affected by intercropping when N fertilizer rates were lower than 100 kg ha-1, but above that rate, corn grain yield reached 10,000 kg ha-1 and was similar with or without palisadegrass. Nitrogen fertilizers also positively affected corn N uptake. There was no residual effect of N fertilization on palisadegrass biomass production during the sampling periods. However, the biomass of the palisadegrass increased during the winter period and reached 5,000 kg ha-1 of dry matter by the following season. There was no corn yield reduction when corn was intercropped with palisadegrass using nitrogen rates above 100 kg ha-1. In addition, it is possible to increase biomass production for the establishment of no-tillage systems in Brazil.
650 $aCorn
650 $aIntercropping
650 $aNo-tillage
650 $aUrea
650 $aUrochloa ruziziensis
650 $aCultivo intercalado
650 $aFertilizante nitrogenado
650 $aMilho
650 $aPlantio direto
653 $aPasture establishment
700 1 $aFAVARIN, J. L.
700 1 $aOTTO, R.
700 1 $aPIEROZAN JUNIOR, C.
700 1 $aOLIVEIRA, S. M. de
700 1 $aTEZOTTO, T.
700 1 $aLAGO, B. C.
773 $tAustralian Journal of Crop Science$gv. 11, n. 3, p. 352-359, 2017.
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Embrapa Pesca e Aquicultura (CNPASA) |
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