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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agrossilvipastoril. Para informações adicionais entre em contato com cpamt.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Agrossilvipastoril. |
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Data corrente: |
03/11/2018 |
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Data da última atualização: |
03/11/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MELI, P.; ISERNHAGEN, I.; BRANCALION, P. H. S.; ISERNHAGEN, E. C. C.; BEHLING, M.; RODRIGUES, R. R. |
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Afiliação: |
PAULA MELI, USP, ESALQ; INGO ISERNHAGEN, CPAMT; PEDRO H. S. BRANCALION, USP, ESALQ; ELAINE C. C. ISERNHAGEN, UFPR; MAUREL BEHLING, CPAMT; RICARDO R. RODRIGUES, USP, ESALQ. |
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Título: |
Optimizing seeding density of fast-growing native trees for restoring the Brazilian Atlantic Forest. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Restoration Ecology, v. 26, n. 2, p. 212-219, 2018. |
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Páginas: |
8 p. |
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Idioma: |
Inglês |
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Conteúdo: |
Direct seeding is a promising method for reducing restoration costs, but methodological adjustments are still needed to reduce the uncertainties to achieve a desired seedling density in the field. Here, we investigated the technical approaches and outcomes of direct seeding of fast-growing native trees for cost-effective restoration of the Brazilian Atlantic Forest. Sixteen tree species were manually sown at three seeding densities in planting lines prepared with a subsoiler, in two experimental areas, which were weeded with hoes and had leaf-cutter ants controlled with insecticide baits. Seedling density was monitored for 30, 90, and 180 days after sowing. No substantial change in tree density was observed 30 days after sowing, thus allowing fast corrective actions to adjust tree density. Only a minor proportion of the sown viable seeds resulted in established seedlings at 180 days (4?12% for the community; approximately 25% for the species with the best performance).However, tree density was high (6,000 on average; approximately 1,400?13,000 trees/ha) and allowed an effective canopy development. Overall, seedling density was linearly and positively associated with seeding density, was highly influenced by the species used, and was higher in the soil with higher sum of bases. Buying seeds would be, for most species, less costly than buying nursery-grown seedlings for achieving the expected tree densities in the field. These results evidence the potential of direct seeding for reducing restoration costs, as well as the need to select species with better performance and adjust seeding densities to optimize the use of this method. MenosDirect seeding is a promising method for reducing restoration costs, but methodological adjustments are still needed to reduce the uncertainties to achieve a desired seedling density in the field. Here, we investigated the technical approaches and outcomes of direct seeding of fast-growing native trees for cost-effective restoration of the Brazilian Atlantic Forest. Sixteen tree species were manually sown at three seeding densities in planting lines prepared with a subsoiler, in two experimental areas, which were weeded with hoes and had leaf-cutter ants controlled with insecticide baits. Seedling density was monitored for 30, 90, and 180 days after sowing. No substantial change in tree density was observed 30 days after sowing, thus allowing fast corrective actions to adjust tree density. Only a minor proportion of the sown viable seeds resulted in established seedlings at 180 days (4?12% for the community; approximately 25% for the species with the best performance).However, tree density was high (6,000 on average; approximately 1,400?13,000 trees/ha) and allowed an effective canopy development. Overall, seedling density was linearly and positively associated with seeding density, was highly influenced by the species used, and was higher in the soil with higher sum of bases. Buying seeds would be, for most species, less costly than buying nursery-grown seedlings for achieving the expected tree densities in the field. These results evidence the potential of direct seeding f... Mostrar Tudo |
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Palavras-Chave: |
Cost-effective restoration; Direct sowing; Restoration plantings; Seedling establishment. |
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Thesaurus Nal: |
Direct seeding; Tropical forests. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 02450naa a2200265 a 4500
001 2098723
005 2018-11-03
008 2018 bl uuuu u00u1 u #d
100 1 $aMELI, P.
245 $aOptimizing seeding density of fast-growing native trees for restoring the Brazilian Atlantic Forest.$h[electronic resource]
260 $c2018
300 $a8 p.
520 $aDirect seeding is a promising method for reducing restoration costs, but methodological adjustments are still needed to reduce the uncertainties to achieve a desired seedling density in the field. Here, we investigated the technical approaches and outcomes of direct seeding of fast-growing native trees for cost-effective restoration of the Brazilian Atlantic Forest. Sixteen tree species were manually sown at three seeding densities in planting lines prepared with a subsoiler, in two experimental areas, which were weeded with hoes and had leaf-cutter ants controlled with insecticide baits. Seedling density was monitored for 30, 90, and 180 days after sowing. No substantial change in tree density was observed 30 days after sowing, thus allowing fast corrective actions to adjust tree density. Only a minor proportion of the sown viable seeds resulted in established seedlings at 180 days (4?12% for the community; approximately 25% for the species with the best performance).However, tree density was high (6,000 on average; approximately 1,400?13,000 trees/ha) and allowed an effective canopy development. Overall, seedling density was linearly and positively associated with seeding density, was highly influenced by the species used, and was higher in the soil with higher sum of bases. Buying seeds would be, for most species, less costly than buying nursery-grown seedlings for achieving the expected tree densities in the field. These results evidence the potential of direct seeding for reducing restoration costs, as well as the need to select species with better performance and adjust seeding densities to optimize the use of this method.
650 $aDirect seeding
650 $aTropical forests
653 $aCost-effective restoration
653 $aDirect sowing
653 $aRestoration plantings
653 $aSeedling establishment
700 1 $aISERNHAGEN, I.
700 1 $aBRANCALION, P. H. S.
700 1 $aISERNHAGEN, E. C. C.
700 1 $aBEHLING, M.
700 1 $aRODRIGUES, R. R.
773 $tRestoration Ecology$gv. 26, n. 2, p. 212-219, 2018.
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Registro original: |
Embrapa Agrossilvipastoril (CPAMT) |
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Classificação |
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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
21/11/2017 |
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Data da última atualização: |
28/06/2019 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
ROCHA, F. R. M.; VERZIGNASSI, J. R.; BARRIOS, S. C. L.; FERNANDES, C. D.; VALLE, C. B. do; LIBÓRIO, C. B.; LIMA, N. D.; CORADO, H. S.; JESUS, L. de; SILVA, M. A. da; OLIVEIRA, M. A. S.; CASTRO, G. G.; MARTINS, W. L.; ANDRADE, D. F. M. |
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Afiliação: |
Falkoln Raffael Mendes Rocha, Universidade Católica Dom Bosco; JAQUELINE ROSEMEIRE VERZIGNASSI, CNPGC; SANZIO CARVALHO LIMA BARRIOS, CNPGC; CELSO DORNELAS FERNANDES, CNPGC; CACILDA BORGES DO VALLE, CNPGC; IF Goiano, Rio Verde, GO; Universidade Anhanguera-Uniderp; HUGO SOARES CORADO, CNPGC; LUIZ DE JESUS, CNPGC; MARCO ANTONIO DA SILVA, CNPGC; Universidade Anhanguera-Uniderp; Universidade Católica Dom Bosco; Universidade Católica Dom Bosco; Universidade Estadual de Londrina. |
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Título: |
Multiplicação e avaliação do potencial de produção de sementes por híbridos de Brachiaria spp. em Campo Grande, MS. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
In: JORNADA CIENTÍFICA EMBRAPA GADO DE CORTE, 13., 2017, Campo Grande, MS. [Anais...] Brasília, DF: Embrapa, 2017. p. 36. |
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Série: |
(Embrapa Gado de Corte, Documentos, 242) |
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Idioma: |
Português |
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Conteúdo: |
O Brasil responde como maior produtor, consumidor e exportador de sementes de espécies forrageiras tropicais, produzindo anualmente mais de 150 mil toneladas. Objetiva-se, com este trabalho, gerar conhecimentos para o lançamento de novas cultivares com características agronômicas superiores, visando à diversificação de pastagens e contribuindo para a sustentabilidade desse agronegócio. |
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Palavras-Chave: |
Brachiara brizantha; Brachiara ruziziensis; Cultivar. |
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Thesagro: |
Agricultura sustentável; Brachiaria decumbens; Brachiaria sp; Forrageira tropical; Pastagem; Semente. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/167092/1/Multiplicacao-e-avaliacao-do-potencial-de-producao-de-sementes-.pdf
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Marc: |
LEADER 01639nam a2200385 a 4500
001 2080236
005 2019-06-28
008 2017 bl uuuu u00u1 u #d
100 1 $aROCHA, F. R. M.
245 $aMultiplicação e avaliação do potencial de produção de sementes por híbridos de Brachiaria spp. em Campo Grande, MS.$h[electronic resource]
260 $aIn: JORNADA CIENTÍFICA EMBRAPA GADO DE CORTE, 13., 2017, Campo Grande, MS. [Anais...] Brasília, DF: Embrapa, 2017. p. 36.$c2017
490 $a(Embrapa Gado de Corte, Documentos, 242)
520 $aO Brasil responde como maior produtor, consumidor e exportador de sementes de espécies forrageiras tropicais, produzindo anualmente mais de 150 mil toneladas. Objetiva-se, com este trabalho, gerar conhecimentos para o lançamento de novas cultivares com características agronômicas superiores, visando à diversificação de pastagens e contribuindo para a sustentabilidade desse agronegócio.
650 $aAgricultura sustentável
650 $aBrachiaria decumbens
650 $aBrachiaria sp
650 $aForrageira tropical
650 $aPastagem
650 $aSemente
653 $aBrachiara brizantha
653 $aBrachiara ruziziensis
653 $aCultivar
700 1 $aVERZIGNASSI, J. R.
700 1 $aBARRIOS, S. C. L.
700 1 $aFERNANDES, C. D.
700 1 $aVALLE, C. B. do
700 1 $aLIBÓRIO, C. B.
700 1 $aLIMA, N. D.
700 1 $aCORADO, H. S.
700 1 $aJESUS, L. de
700 1 $aSILVA, M. A. da
700 1 $aOLIVEIRA, M. A. S.
700 1 $aCASTRO, G. G.
700 1 $aMARTINS, W. L.
700 1 $aANDRADE, D. F. M.
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