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Registros recuperados : 73 | |
27. | | DIEZ-RODRÍGUEZ, G. I.; BISOGNIN, M.; VALGAS, R. A.; ANTUNES, L. E. C.; NAVA, D. E. Determinação dos estádios suscetíveis de frutos de amoreira-preta, araçazeiro, mirtileiro e pitangueira ao desenvolvimento de Anastrepha fraterculus (Weidemann, 1830). In: ENCONTRO SOBRE PEQUENAS FRUTAS E FRUTAS NATIVAS DO MERCOSUL, 6., 2014, Pelotas. Palestras e resumos... Pelotas: Embrapa Clima Temperado, 2014. 189 p. Biblioteca(s): Embrapa Clima Temperado. |
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34. | | MATTOS, M. L. T.; MITTELMANN, A.; VALGAS, R. A.; GALARZ, L. A. Respostas de cultivares de azevém à inoculação com acessos diazotróficos e promotores de crescimento. In: REUNIÃO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRIÇÃO DE PLANTAS, 32.; REUNIÃO BRASILEIRA SOBRE MICORRIZAS, 16.; SIMPÓSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 14.; REUNIÃO BRASILEIRA DE BIOLOGIA DO SOLO, 11., 2016, Goiânia. Rumo aos novos desafios: [anais]. Viçosa, MG: Sociedade Brasileira de Ciência do Solo, 2016. Biblioteca(s): Embrapa Clima Temperado; Embrapa Gado de Leite. |
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35. | | VALGAS, R. A.; CHAVES NETO, A.; LAVORANTI, O. J.; SOUSA, V. A. de. Técnicas de agrupamento aplicadas no mapeamento da divergência genética de subpopulações de Araucaria angustifolia (Bert.) O. Ktze em Irati, Pr e Caçador, SC por marcadores isoenzimáticos. Ciência e Natura, v.32, n. 2, p. 35-50, 2010. Biblioteca(s): Embrapa Florestas. |
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37. | | MARCHI, P. M.; ANTUNES, L. E. C.; PEREIRA, I. S.; HÖHN, D.; VALGAS, R. A. Vegetative propagation of raspberry from leafy cuttings. Revista Brasileira de Fruticultura, Jaboticabal, v. 40, n. 5, (e-378), 2018. Biblioteca(s): Embrapa Clima Temperado. |
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39. | | PADILHA, H. K. M.; SIGALES, C. V.; VILLELA, J. C. B.; VALGAS, R. A.; BARBIERI, R. L. Agronomic evaluation and morphological characterization of chili peppers (Capsicum annuum, Solanaceae) from Brazil. Australian Journal of Basic and Applied Sciences, v. 10, n. 13, p. 63-70, 2016. Biblioteca(s): Embrapa Clima Temperado. |
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Registros recuperados : 73 | |
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Registro Completo
Biblioteca(s): |
Embrapa Clima Temperado. |
Data corrente: |
07/12/2022 |
Data da última atualização: |
07/12/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
MATTOS, M. L. T.; VALGAS, R. A.; MARTINS, J. F. da S. |
Afiliação: |
MARIA LAURA TURINO MATTOS, CPACT; RICARDO ALEXANDRE VALGAS, CPACT; JOSE FRANCISCO DA SILVA MARTINS, CPACT. |
Título: |
Evaluation of the Agronomic Efficiency of Azospirillum brasilense Strains Ab-V5 and Ab-V6 in Flood-Irrigated Rice. |
Ano de publicação: |
2022 |
Fonte/Imprenta: |
Agronomy, v. 12, 3047, 2022. |
Páginas: |
17 p. |
ISSN: |
2073-4395 |
DOI: |
https://doi.org/10.3390/agronomy12123047 |
Idioma: |
Inglês |
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. |
Thesagro: |
Bactéria; Carbono; Crescimento; Fixação de Nitrogênio; Inoculação; Oryza Sativa. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1149314/1/Revista-Agronomy-Artigo-FBN-Arroz.pdf
|
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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