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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
28/03/2013 |
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Data da última atualização: |
04/04/2022 |
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Autoria: |
HUNGRIA, M.; NOGUEIRA, M. A.; ARAUJO, R. S. |
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Afiliação: |
MARIANGELA HUNGRIA DA CUNHA, CNPSO; MARCO ANTONIO NOGUEIRA, CNPSO; RICARDO SILVA ARAUJO, Total Biotecnologia Indústria e Comércio. |
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Título: |
Co-inoculation of soybeans and common beans with rhizobia and azospirilla: strategies to improve sustainability. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Biology and Fertility of Soils, v. 49, n. 7, p. 791-801, Oct. 2013. |
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DOI: |
10.1007/s00374-012-0771-5 |
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Idioma: |
Inglês |
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Conteúdo: |
Plant?microorganism associations have long been studied, but their exploitation in agriculture partially or fully replacing chemical fertilizers is still modest. In this study, we evaluated the combined action of rhizobial and plant growthpromoting rhizobacteria inoculants on the yields of soybean and common bean. Seed inoculation with rhizobia (1.2×106 cells seed?1) was compared to co-inoculation with Azospirillum brasilense in-furrow (different doses) or on seeds (1.2×105 cells seed?1) in nine field experiments. The best in-furrow inoculant dose was 2.5×105 cells of A. brasilense seed?1 for both crops. Inoculation with Bradyrhizobium japonicum increased soybean yield by an average 222 kgha?1 (8.4 %), and co-inoculation with A. brasilense in-furrow by an average 427 kgha?1 (16.1 %); inoculation always improved nodulation. Seed co-inoculation with both microorganisms resulted in a mean yield increase of 420 kgha?1 (14.1 %) in soybean relative to the non-inoculated control. For common bean, seed inoculation with Rhizobium tropici increased yield by 98 kgha?1 (8.3 %), while co-inoculation with A. brasilense in-furrow resulted in the impressive increase of 285 kgha?1 (19.6 %). The cheaper, more sustainable inoculated treatment produced yields equivalent to the more expensive noninoculated + N-fertilizer treatment. The results confirm the feasibility of using rhizobia and azospirilla as inoculants in a broad range of agricultural systems, replacing expensive and environmentally unfriendly N-fertilizers. MenosPlant?microorganism associations have long been studied, but their exploitation in agriculture partially or fully replacing chemical fertilizers is still modest. In this study, we evaluated the combined action of rhizobial and plant growthpromoting rhizobacteria inoculants on the yields of soybean and common bean. Seed inoculation with rhizobia (1.2×106 cells seed?1) was compared to co-inoculation with Azospirillum brasilense in-furrow (different doses) or on seeds (1.2×105 cells seed?1) in nine field experiments. The best in-furrow inoculant dose was 2.5×105 cells of A. brasilense seed?1 for both crops. Inoculation with Bradyrhizobium japonicum increased soybean yield by an average 222 kgha?1 (8.4 %), and co-inoculation with A. brasilense in-furrow by an average 427 kgha?1 (16.1 %); inoculation always improved nodulation. Seed co-inoculation with both microorganisms resulted in a mean yield increase of 420 kgha?1 (14.1 %) in soybean relative to the non-inoculated control. For common bean, seed inoculation with Rhizobium tropici increased yield by 98 kgha?1 (8.3 %), while co-inoculation with A. brasilense in-furrow resulted in the impressive increase of 285 kgha?1 (19.6 %). The cheaper, more sustainable inoculated treatment produced yields equivalent to the more expensive noninoculated + N-fertilizer treatment. The results confirm the feasibility of using rhizobia and azospirilla as inoculants in a broad range of agricultural systems, replacing expensive and environmentally ... Mostrar Tudo |
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Thesagro: |
Soja. |
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Thesaurus Nal: |
Bradyrhizobium. |
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Categoria do assunto: |
-- |
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Marc: |
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001 1954576
005 2022-04-04
008 2013 bl uuuu u00u1 u #d
024 7 $a10.1007/s00374-012-0771-5$2DOI
100 1 $aHUNGRIA, M.
245 $aCo-inoculation of soybeans and common beans with rhizobia and azospirilla$bstrategies to improve sustainability.$h[electronic resource]
260 $c2013
520 $aPlant?microorganism associations have long been studied, but their exploitation in agriculture partially or fully replacing chemical fertilizers is still modest. In this study, we evaluated the combined action of rhizobial and plant growthpromoting rhizobacteria inoculants on the yields of soybean and common bean. Seed inoculation with rhizobia (1.2×106 cells seed?1) was compared to co-inoculation with Azospirillum brasilense in-furrow (different doses) or on seeds (1.2×105 cells seed?1) in nine field experiments. The best in-furrow inoculant dose was 2.5×105 cells of A. brasilense seed?1 for both crops. Inoculation with Bradyrhizobium japonicum increased soybean yield by an average 222 kgha?1 (8.4 %), and co-inoculation with A. brasilense in-furrow by an average 427 kgha?1 (16.1 %); inoculation always improved nodulation. Seed co-inoculation with both microorganisms resulted in a mean yield increase of 420 kgha?1 (14.1 %) in soybean relative to the non-inoculated control. For common bean, seed inoculation with Rhizobium tropici increased yield by 98 kgha?1 (8.3 %), while co-inoculation with A. brasilense in-furrow resulted in the impressive increase of 285 kgha?1 (19.6 %). The cheaper, more sustainable inoculated treatment produced yields equivalent to the more expensive noninoculated + N-fertilizer treatment. The results confirm the feasibility of using rhizobia and azospirilla as inoculants in a broad range of agricultural systems, replacing expensive and environmentally unfriendly N-fertilizers.
650 $aBradyrhizobium
650 $aSoja
700 1 $aNOGUEIRA, M. A.
700 1 $aARAUJO, R. S.
773 $tBiology and Fertility of Soils$gv. 49, n. 7, p. 791-801, Oct. 2013.
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