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| Registros recuperados : 8 | |
| 2. |  | CARRÉRA, L. da C.; CUNHA, R. L.; CARRÉRA, A. G. P.; AGUIAR, R. O. Aplicação de espectroscopia de infravermelho FTIR para quantificação de álcoois em soluções. In: SEMINÁRIO DE INICIAÇÃO CIENTÍFICA, 20.; SEMINÁRIO DE PÓS-GRADUAÇÃO DA EMBRAPA AMAZÔNIA ORIENTAL, 4., 2016, Belém, PA. Anais. Belém, PA: Embrapa Amazônia Oriental, 2016. p. 215-218.| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 3. | | CARRÉRA, A. G. P.; CUNHA, R. L.; CUNHA, E. F. M.; SOUSA, S. C. P. Características físico-químicas de raízes de mandioca brava (Manihot esculenta Crantz). In: SEMINÁRIO DE INICIAÇÃO CIENTÍFICA, 18.; SEMINÁRIO DE PÓS-GRADUAÇÃO DA EMBRAPA AMAZÔNIA ORIENTAL, 2., 2014, Belém, PA. Anais. Belém, PA: Embrapa Amazônia Oriental, 2014. 1 CD-ROM.| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 4. | | CARRÉRA, A. G. P.; CUNHA, R. L.; CUNHA, E. F. M.; REGO, J. Y. N. Características físico-químicas de raízes de mandioca mansa (Manihot esculenta Crantz). In: SEMINÁRIO DE INICIAÇÃO CIENTÍFICA, 18.; SEMINÁRIO DE PÓS-GRADUAÇÃO DA EMBRAPA AMAZÔNIA ORIENTAL, 2., 2014, Belém, PA. Anais. Belém, PA: Embrapa Amazônia Oriental, 2014. 1 CD-ROM.| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 5. | | CARRÉRA, A. G. P.; CUNHA, R. L.; CUNHA, E. F. M.; AGUIAR, R. O. Avaliação da morfologia dos grânulos de amido de mandioca mansa e brava (Manihot esculenta Crantz). In: SEMINÁRIO DE INICIAÇÃO CIENTÍFICA, 19.; SEMINÁRIO DE PÓS-GRADUAÇÃO DA EMBRAPA AMAZÔNIA ORIENTAL, 3., 2015, Belém, PA. Anais. Belém, PA: Embrapa Amazônia Oriental, 2015. p. 360-363.| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 6. | | CARRÉRA, A. G. P.; LORENZO, N. D.; ARAÚJO, F. das C. B. de; CUNHA, R. L.; CUNHA, E. F. M.; ROSÁRIO, F. S. do; ARAÚJO, M. P. S. Avaliação do rendimento de raízes de diferentes genótipos de mandioca brava (Manihot esculenta, Crantz). In: SEMINÁRIO DE INICIAÇÃO CIENTÍFICA DA EMBRAPA AMAZÔNIA ORIENTAL, 17.; SEMINÁRIO DE PÓS-GRADUAÇÃO DA EMBRAPA AMAZÔNIA ORIENTAL, 1., 2013, Belém, PA. Anais. Belém, PA: Embrapa Amazônia Oriental, 2013. 1 CD-ROM. PIBIC 2013.| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 7. | | CARRÉRA, A. G. P.; AGUIAR, R. O.; CUNHA, R. L.; OLIVEIRA, I. V. de; BERNARDINO, P. D. L. da; SILVA, C. R. da; CARVALHO, F. I. M.; OLIVEIRA NETO, C. F. de; SANTOS, M. A. S. dos; OLIVEIRA, J. T. de; SILVA, P. A.; CUNHA, E. F. M. Characterization of sweet and bitter cassava (Manihot esculenta Crantz) genotypes through multivariate analysis. Australian Journal of Crop Science, v. 15, n. 10, p. 1269-1278, 2021.| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 8. | | AGUIAR, R. O.; CARRÉRA, A. G. P.; CUNHA, R. L.; OLIVEIRA, I. V. de; SILVA, C. R. da; SILVA, V. F. A.; SILVA, J. N. da; SILVA, J. P. da; CARVALHO, F. I. M.; MARTINS, L. H. da S.; SILVA, P. A.; CUNHA, E. F. M. Optimization of the alcoholic concentration obtained from sugary cassava (Manihot esculenta Crantz) by response surface methodology. Journal of Agricultural Science, v. 12, n. 11, p. 157-168, 2020.| Biblioteca(s): Embrapa Amazônia Oriental. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pecuária Sul. Para informações adicionais entre em contato com cppsul.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sul. |
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Data corrente: |
02/12/2022 |
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Data da última atualização: |
02/12/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
KRAHL, G.; BALDISSERA, T. C.; PINTO, C. E.; GARAGORRY, F. C.; WERNER, S. S.; LOPES, C. F.; RIBEIRO FILHO, H. M. N. |
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Afiliação: |
GUSTAVO KRAHL, University of the West of Santa Catarina; TIAGO CELSO BALDISSERA, Epagri - Company of Agricultural Research and Rural Extension of Santa Catarina; CASSIANO EDUARDO PINTO, Epagri - Company of Agricultural Research and Rural Extension of Santa Catarina; FABIO CERVO GARAGORRY, CPPSUL; SIMONE SILMARA WERNER, Epagri - Company of Agricultural Research and Rural Extension of Santa Catarina; CÁSSIO FELIPE LOPES, Santa Catarina State University; HENRIQUE MENDONÇA NUNES RIBEIRO FILHO, Santa Catarina State University. |
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Título: |
Can pasture defoliation management targets be similarunder full sun and shaded conditions? |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Crop & Pasture Science, 21592, 31 Aug. 2022. |
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Idioma: |
Inglês |
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Notas: |
Online early. |
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Conteúdo: |
Abstract Context: Defoliation management targets applied to forages under the full sun have not yet been properly evaluated for shaded environments such as occur in integrated crop?livestock systems with the presence of trees. Aims: This study aimed to determine defoliation targets under full sun and shaded environments for the shade-tolerant perennial summer grass hybrid Axonopus catharinensis (giant missionary grass), widely used in pasture systems of South Brazil and Argentina. Methods: Four pre-defoliation canopy heights (15, 25, 35 and 45 cm) and four defoliation severities (20%, 40%, 60% and 80% reduction in pre-defoliation canopy height) were evaluated. Plants were grown in 0.15 m3 wooden boxes filled with sand/vermiculite substrate (1:1 v/v) and irrigated with a complete nutrient solution. An artificial shade structure was made with wooden slats, reducing light intensity by 50% for shaded plants. Key results: Herbage accumulation decreased by 54% in shaded plants compared with those under full sun. Regardless of the light environment, the lowest crude protein content (<150 g/kg dry matter) and the highest neutral detergent fibre content (>650 g/kg dry matter) were observed when the defoliation target height was >35 cm. Both shaded and full sun environments showed decreases in tiller density when defoliation severity was >60% of pre-defoliation canopy heights. Conclusions: Pre-defoliation canopy heights >35 cm and defoliation severity >60% of pre-defoliation canopy height should be avoided when managing A. catharinensis, regardless of the light environment. Implications: Recommended targets may be easily implemented by livestock producers and are similar for full sun and shade environments. Keywords: Axonopus catharinensis Valls, canopy height, defoliation severity, defoliation target, herbage accumulation, integrated crop-livestock systems, tiller density. MenosAbstract Context: Defoliation management targets applied to forages under the full sun have not yet been properly evaluated for shaded environments such as occur in integrated crop?livestock systems with the presence of trees. Aims: This study aimed to determine defoliation targets under full sun and shaded environments for the shade-tolerant perennial summer grass hybrid Axonopus catharinensis (giant missionary grass), widely used in pasture systems of South Brazil and Argentina. Methods: Four pre-defoliation canopy heights (15, 25, 35 and 45 cm) and four defoliation severities (20%, 40%, 60% and 80% reduction in pre-defoliation canopy height) were evaluated. Plants were grown in 0.15 m3 wooden boxes filled with sand/vermiculite substrate (1:1 v/v) and irrigated with a complete nutrient solution. An artificial shade structure was made with wooden slats, reducing light intensity by 50% for shaded plants. Key results: Herbage accumulation decreased by 54% in shaded plants compared with those under full sun. Regardless of the light environment, the lowest crude protein content (<150 g/kg dry matter) and the highest neutral detergent fibre content (>650 g/kg dry matter) were observed when the defoliation target height was >35 cm. Both shaded and full sun environments showed decreases in tiller density when defoliation severity was >60% of pre-defoliation canopy heights. Conclusions: Pre-defoliation canopy heights >35 cm and defoliation severity >60% of pre-defoliation ca... Mostrar Tudo |
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Thesagro: |
Altura; Desfolha; Integração; Pastagem. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
|
Marc: |
LEADER 02619naa a2200253 a 4500
001 2149158
005 2022-12-02
008 2022 bl uuuu u00u1 u #d
100 1 $aKRAHL, G.
245 $aCan pasture defoliation management targets be similarunder full sun and shaded conditions?$h[electronic resource]
260 $c2022
500 $aOnline early.
520 $aAbstract Context: Defoliation management targets applied to forages under the full sun have not yet been properly evaluated for shaded environments such as occur in integrated crop?livestock systems with the presence of trees. Aims: This study aimed to determine defoliation targets under full sun and shaded environments for the shade-tolerant perennial summer grass hybrid Axonopus catharinensis (giant missionary grass), widely used in pasture systems of South Brazil and Argentina. Methods: Four pre-defoliation canopy heights (15, 25, 35 and 45 cm) and four defoliation severities (20%, 40%, 60% and 80% reduction in pre-defoliation canopy height) were evaluated. Plants were grown in 0.15 m3 wooden boxes filled with sand/vermiculite substrate (1:1 v/v) and irrigated with a complete nutrient solution. An artificial shade structure was made with wooden slats, reducing light intensity by 50% for shaded plants. Key results: Herbage accumulation decreased by 54% in shaded plants compared with those under full sun. Regardless of the light environment, the lowest crude protein content (<150 g/kg dry matter) and the highest neutral detergent fibre content (>650 g/kg dry matter) were observed when the defoliation target height was >35 cm. Both shaded and full sun environments showed decreases in tiller density when defoliation severity was >60% of pre-defoliation canopy heights. Conclusions: Pre-defoliation canopy heights >35 cm and defoliation severity >60% of pre-defoliation canopy height should be avoided when managing A. catharinensis, regardless of the light environment. Implications: Recommended targets may be easily implemented by livestock producers and are similar for full sun and shade environments. Keywords: Axonopus catharinensis Valls, canopy height, defoliation severity, defoliation target, herbage accumulation, integrated crop-livestock systems, tiller density.
650 $aAltura
650 $aDesfolha
650 $aIntegração
650 $aPastagem
700 1 $aBALDISSERA, T. C.
700 1 $aPINTO, C. E.
700 1 $aGARAGORRY, F. C.
700 1 $aWERNER, S. S.
700 1 $aLOPES, C. F.
700 1 $aRIBEIRO FILHO, H. M. N.
773 $tCrop & Pasture Science, 21592, 31 Aug. 2022.
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