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Registro Completo |
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Biblioteca(s): |
Embrapa Agropecuária Oeste; Embrapa Algodão; Embrapa Amazônia Ocidental; Embrapa Amazônia Oriental; Embrapa Semiárido; Embrapa Unidades Centrais. |
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Data corrente: |
18/10/1995 |
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Data da última atualização: |
10/03/2022 |
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Autoria: |
CRISÓSTOMO, J. R.; SAMPAIO, H. S. de V. |
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Título: |
O decote na produção da mamoneira (Ricinus communis, L.) na Bahia. |
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Ano de publicação: |
1975 |
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Fonte/Imprenta: |
Salvador: Embrapa-Representação no Estado da Bahia, 1975. |
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Páginas: |
8 p. |
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Série: |
(Embrapa-Representação no Estado da Bahia. Comunicado técnico, 12). |
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Idioma: |
Português |
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Conteúdo: |
No cultivo da Mamona, no estado da Bahia, detectou uma prática peculiar de cultivo, trata-se do Decote das plantas (corte da haste principal da planta a uma altura estipulada de 30 a 50 cm do solo). |
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Palavras-Chave: |
Bahia; Brasil; Cultivo; Iraquara; Practice cultual; Production; Ricimus communis. |
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Thesagro: |
Mamona; Poda; Pratica Cultural; Produção. |
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Thesaurus Nal: |
pruning. |
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Categoria do assunto: |
--
A Sistemas de Cultivo |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/232348/1/O-decote.pdf
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Marc: |
LEADER 00993nam a2200289 a 4500
001 1901155
005 2022-03-10
008 1975 bl uuuu u0uu1 u #d
100 1 $aCRISÓSTOMO, J. R.
245 $aO decote na produção da mamoneira (Ricinus communis, L.) na Bahia.
260 $aSalvador: Embrapa-Representação no Estado da Bahia$c1975
300 $a8 p.
490 $a(Embrapa-Representação no Estado da Bahia. Comunicado técnico, 12).
520 $aNo cultivo da Mamona, no estado da Bahia, detectou uma prática peculiar de cultivo, trata-se do Decote das plantas (corte da haste principal da planta a uma altura estipulada de 30 a 50 cm do solo).
650 $apruning
650 $aMamona
650 $aPoda
650 $aPratica Cultural
650 $aProdução
653 $aBahia
653 $aBrasil
653 $aCultivo
653 $aIraquara
653 $aPractice cultual
653 $aProduction
653 $aRicimus communis
700 1 $aSAMPAIO, H. S. de V.
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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Voltar
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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
31/07/2018 |
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Data da última atualização: |
24/01/2023 |
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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: |
FREITAS, R. S.; BARBÉ, T. da C.; DAHER, R. F.; VIDAL, A. K. F.; STIDA, W. F.; SILVA, V. B. da; MENEZES, B. R. da S.; PEREIRA, A. V. |
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Afiliação: |
Rafael Souza Freitas, UENF; Tatiane da Costa Barbé, UENF; Rogério Figueiredo Daher, UENF; Ana Kesia Faria Vidal, UENF; Wanessa Francesconi Stida, UENF; Veronica Brito da Silva, UENF; Bruna Rafaela da Silva Menezes, UFRRJ; ANTONIO VANDER PEREIRA, CNPGL. |
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Título: |
Chemical composition and energy yield of elephant-grass biomass as function of five different production ages. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Journal of Agricultural Science (Toronto), v. 10, n. 1, p. 343-353, 2018. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract Elephant grass has high biomass production, with qualities suitable for conversion into bioenergy, but has long been used exclusively for animal feed and only in recent years has it become an energetic alternative. Therefore, it is necessary to select genotypes with potential for energy production. This study evaluated the effect of five harvest times (8, 12, 16, 20, and 24 weeks) on the yield and chemical composition related to biomass quality through combined polynomial regression analyses of the following elephant grass genotypes: Cubano Pinda, Mercker 86-México, Pusa Napier n°1, Mole de Volta Grande, P-241-Piracicaba, and King Grass. A completely randomized design with three replicates, in a split-plot arrangement, was adopted, including two factors (plots = genotypes, subplots = harvest times). The evaluated variables were whole-plant dry matter yield, in t ha-1 (DMY), percentage of neutral detergent fiber (%NDF), and percentage of acid detergent fiber (%ADF). The elephant-grass genotypes Cubano de Pinda, Mercker 86-México, and P-241-Piracicaba showed a linear first-degree effect as a function of the harvest intervals, indicating that they did not reach their maximum production potential. Genotypes Pusa Napier n°1, Mole de Volta Grande, and King Grass, in turn, had a linear second-degree effect. For the NDF variable, all genotypes showed a significant linear second-degree effect as a function of the harvest intervals, except P-241-Piracicaba, for which no regression was observed. For this genotype, there was a significant linear first-degree effect on the %ADF variable. MenosAbstract Elephant grass has high biomass production, with qualities suitable for conversion into bioenergy, but has long been used exclusively for animal feed and only in recent years has it become an energetic alternative. Therefore, it is necessary to select genotypes with potential for energy production. This study evaluated the effect of five harvest times (8, 12, 16, 20, and 24 weeks) on the yield and chemical composition related to biomass quality through combined polynomial regression analyses of the following elephant grass genotypes: Cubano Pinda, Mercker 86-México, Pusa Napier n°1, Mole de Volta Grande, P-241-Piracicaba, and King Grass. A completely randomized design with three replicates, in a split-plot arrangement, was adopted, including two factors (plots = genotypes, subplots = harvest times). The evaluated variables were whole-plant dry matter yield, in t ha-1 (DMY), percentage of neutral detergent fiber (%NDF), and percentage of acid detergent fiber (%ADF). The elephant-grass genotypes Cubano de Pinda, Mercker 86-México, and P-241-Piracicaba showed a linear first-degree effect as a function of the harvest intervals, indicating that they did not reach their maximum production potential. Genotypes Pusa Napier n°1, Mole de Volta Grande, and King Grass, in turn, had a linear second-degree effect. For the NDF variable, all genotypes showed a significant linear second-degree effect as a function of the harvest intervals, except P-241-Piracicaba, for which no regre... Mostrar Tudo |
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Palavras-Chave: |
Biomass quality; Linear regression; Pennisetum purpureum Schum. |
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Thesaurus NAL: |
Bioenergy. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/180617/1/Cnpgl-2018-JAgrScience-Vander-Chemical.pdf
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Marc: |
LEADER 02403naa a2200253 a 4500
001 2093716
005 2023-01-24
008 2018 bl uuuu u00u1 u #d
100 1 $aFREITAS, R. S.
245 $aChemical composition and energy yield of elephant-grass biomass as function of five different production ages.$h[electronic resource]
260 $c2018
520 $aAbstract Elephant grass has high biomass production, with qualities suitable for conversion into bioenergy, but has long been used exclusively for animal feed and only in recent years has it become an energetic alternative. Therefore, it is necessary to select genotypes with potential for energy production. This study evaluated the effect of five harvest times (8, 12, 16, 20, and 24 weeks) on the yield and chemical composition related to biomass quality through combined polynomial regression analyses of the following elephant grass genotypes: Cubano Pinda, Mercker 86-México, Pusa Napier n°1, Mole de Volta Grande, P-241-Piracicaba, and King Grass. A completely randomized design with three replicates, in a split-plot arrangement, was adopted, including two factors (plots = genotypes, subplots = harvest times). The evaluated variables were whole-plant dry matter yield, in t ha-1 (DMY), percentage of neutral detergent fiber (%NDF), and percentage of acid detergent fiber (%ADF). The elephant-grass genotypes Cubano de Pinda, Mercker 86-México, and P-241-Piracicaba showed a linear first-degree effect as a function of the harvest intervals, indicating that they did not reach their maximum production potential. Genotypes Pusa Napier n°1, Mole de Volta Grande, and King Grass, in turn, had a linear second-degree effect. For the NDF variable, all genotypes showed a significant linear second-degree effect as a function of the harvest intervals, except P-241-Piracicaba, for which no regression was observed. For this genotype, there was a significant linear first-degree effect on the %ADF variable.
650 $aBioenergy
653 $aBiomass quality
653 $aLinear regression
653 $aPennisetum purpureum Schum
700 1 $aBARBÉ, T. da C.
700 1 $aDAHER, R. F.
700 1 $aVIDAL, A. K. F.
700 1 $aSTIDA, W. F.
700 1 $aSILVA, V. B. da
700 1 $aMENEZES, B. R. da S.
700 1 $aPEREIRA, A. V.
773 $tJournal of Agricultural Science (Toronto)$gv. 10, n. 1, p. 343-353, 2018.
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Registro original: |
Embrapa Gado de Leite (CNPGL) |
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