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| 2. |  | MATTOS, M. L. T. certificação e rastreabilidade na produção integrada de arroz irrigado. CARDOSO, M. E.; MORAS, I, L.; OLIVEIRA, A. M.; SCHIAVON, M.; ALMEIDA, R de. (Org) In: SIMPÓSIO SUL-BRASILEIRO DE QUALIDADE DE ARROZ, 3.,2008, Pelotas. Anais... Pelotas: UFPel, 2008, p. 31-35.| Biblioteca(s): Embrapa Clima Temperado. |
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| 16. | | MATTOS, M. L. T.; CROCHEMORE, A. G. Microbiologia geral e meio ambiente / P12 microbiologia ambiental geral, Coleção de microrganismos multifuncionais da Embrapa Clima Temperado. In: CONGRESSO BRASILEIRO DE MICROBIOLOGIA, 24.; SIMPÓSIO BRASILEIRO DE MICROBACTÉRIAS, 12.; SIMPÓSIO DE COLEÇÕES DE CULTURA, 2.; ENCONTRO DE ENSINO EM MICROBIOLOGIA, 4., 2007, Brasília, DF. Anais. {São Paulo}: SBM, 2007. 1 CD-ROM. 1 CD-ROM.| Biblioteca(s): Embrapa Clima Temperado. |
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Registro Completo
|
Biblioteca(s): |
Embrapa Clima Temperado. |
|
Data corrente: |
07/12/2022 |
|
Data da última atualização: |
07/12/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
MATTOS, M. L. T.; VALGAS, R. A.; MARTINS, J. F. da S. |
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Afiliação: |
MARIA LAURA TURINO MATTOS, CPACT; RICARDO ALEXANDRE VALGAS, CPACT; JOSE FRANCISCO DA SILVA MARTINS, CPACT. |
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Título: |
Evaluation of the Agronomic Efficiency of Azospirillum brasilense Strains Ab-V5 and Ab-V6 in Flood-Irrigated Rice. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Agronomy, v. 12, 3047, 2022. |
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Páginas: |
17 p. |
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ISSN: |
2073-4395 |
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DOI: |
https://doi.org/10.3390/agronomy12123047 |
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Idioma: |
Inglês |
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Conteúdo: |
The rational use of nitrogen fertilization is fundamental, not only to increase recovery efficiency, but also to increase crop productivity and reduce the production costs and risks of environmental impacts. In the State of Rio Grande do Sul in Brazil, irrigated rice productivity can surpass 8 tonne ·ha-1 as a result of the technification of the crop and favorable environmental conditions, yet there is great variability in the agronomic efficiency of chemical nitrogen fertilizers, which rarely exceed 50% of the applied dose. Biological nitrogen fixation is one of the technological alternatives for reducing the use of nitrogen in this crop. In this study, the agronomic efficiency ofAzospirillum brasilense strains Ab-V5 and Ab-V6 in terms of biological nitrogen fixation in flood-irrigated rice cultivars in a lowland agroecosystem was evaluated through five field experiments. A. brasilense combined with reduced nitrogen fertilization (reduction of 30 kg N ·ha−1) increased the dry mass of the aerial part of rice plants by 3.2%, and promoted an increase in N concentration in stems and leaves and in the N content exported by grains by 43% and 27.5%, respectively, in relation to the absence of N and inoculant, and promoted an average increase of 30% in rice production. |
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Thesagro: |
Bactéria; Carbono; Crescimento; Fixação de Nitrogênio; Inoculação; Oryza Sativa. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1149314/1/Revista-Agronomy-Artigo-FBN-Arroz.pdf
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Marc: |
LEADER 02078naa a2200253 a 4500
001 2149314
005 2022-12-07
008 2022 bl uuuu u00u1 u #d
022 $a2073-4395
024 7 $ahttps://doi.org/10.3390/agronomy12123047$2DOI
100 1 $aMATTOS, M. L. T.
245 $aEvaluation of the Agronomic Efficiency of Azospirillum brasilense Strains Ab-V5 and Ab-V6 in Flood-Irrigated Rice.$h[electronic resource]
260 $c2022
300 $a17 p.
520 $aThe rational use of nitrogen fertilization is fundamental, not only to increase recovery efficiency, but also to increase crop productivity and reduce the production costs and risks of environmental impacts. In the State of Rio Grande do Sul in Brazil, irrigated rice productivity can surpass 8 tonne ·ha-1 as a result of the technification of the crop and favorable environmental conditions, yet there is great variability in the agronomic efficiency of chemical nitrogen fertilizers, which rarely exceed 50% of the applied dose. Biological nitrogen fixation is one of the technological alternatives for reducing the use of nitrogen in this crop. In this study, the agronomic efficiency ofAzospirillum brasilense strains Ab-V5 and Ab-V6 in terms of biological nitrogen fixation in flood-irrigated rice cultivars in a lowland agroecosystem was evaluated through five field experiments. A. brasilense combined with reduced nitrogen fertilization (reduction of 30 kg N ·ha−1) increased the dry mass of the aerial part of rice plants by 3.2%, and promoted an increase in N concentration in stems and leaves and in the N content exported by grains by 43% and 27.5%, respectively, in relation to the absence of N and inoculant, and promoted an average increase of 30% in rice production.
650 $aBactéria
650 $aCarbono
650 $aCrescimento
650 $aFixação de Nitrogênio
650 $aInoculação
650 $aOryza Sativa
700 1 $aVALGAS, R. A.
700 1 $aMARTINS, J. F. da S.
773 $tAgronomy$gv. 12, 3047, 2022.
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