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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pecuária Sudeste. Para informações adicionais entre em contato com cppse.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
10/08/2020 |
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Data da última atualização: |
10/08/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BOSI, C.; SENTELHAS, P. C.; HUTH, N. I.; PEZZOPANE, J. R. M.; ANDREUCCI, M. P.; SANTOS, P. M. |
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Afiliação: |
Cristiam Bosi, USP - ESALQ; Paulo Cesar Sentelhas, USP - ESALQ; Neil Ian Huth, CSIRO; JOSE RICARDO MACEDO PEZZOPANE, CPPSE; Mariana Pares Andreucci, AgResearch, Lincoln Research Centre; PATRICIA MENEZES SANTOS, CPPSE. |
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Título: |
APSIM-Tropical Pasture: A model for simulating perennial tropical grass growth and its parameterisation for palisade grass (Brachiaria brizantha). |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Agricultural Systems, n. 184, 102917. |
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Páginas: |
14 p. |
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DOI: |
https://doi.org/10.1016/j.agsy.2020.102917 |
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Idioma: |
Inglês |
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Conteúdo: |
Tropical grasses are used as forage, to produce energy from biomass, for land restoration and carbon sequestration, among other applications. Many modelling approaches have been employed to simulate tropical grasses growth, but these have several limitations that must be solved by adapting them or creating new models. This study aimed to develop a tropical pasture model in the Agricultural Production Systems Simulator (APSIM) modelling framework, and to parameterise it to simulate Brachiaria brizantha ?BRS Piatã? growth, under grazing and cut-and-carry management. For this, three field experiments were conducted in the South-east of Brazil where pasture growth was measured in a cut-and-carry system, with irrigated and rainfed treatments, and in a rainfed grazing system. Model evaluation was performed through precision and accuracy indices and simulation errors. Under cut-and-carry management, forage productivity was estimated with R2 values from 0.89 to 0.94, Willmott agreement indices between 0.97 and 0.98, and Nash-Sutcliffe Efficiency values of 0.88 to up to 0.92. This demonstrates the capacity of the APSIM-Tropical Pasture model to simulate tropical pastures. Simulation of phenology, early growth after sowing, partitioning and senescence during flowering, and reallocation and retranslocation of plant dry matter and nitrogen were important aspects for this capacity. Then, APSIM-Tropical Pasture can be used to simulate tropical pastures, but several requirements for further improvements have been identified, such as to improve the simulations of flowering for palisade grass, N effects on pasture yield, reallocation and retranslocation processes. Under grazing management, forage productivity was estimated with R2 = 0.80, Willmott agreement index of 0.91, and Nash-Sutcliffe Efficiency value of 0.62. Despite these reasonable results, simulations presented problems, since does not take into account the effect of grazing animals on pastures. This indicates that, in its current form, APSIM-Tropical Pasture is not able to simulate pastures under grazing effectively. However, this simulation of grazed system was important to identify main modelling constraints and direct future research to improve knowledge of processes and interactions needed for pasture model development. MenosTropical grasses are used as forage, to produce energy from biomass, for land restoration and carbon sequestration, among other applications. Many modelling approaches have been employed to simulate tropical grasses growth, but these have several limitations that must be solved by adapting them or creating new models. This study aimed to develop a tropical pasture model in the Agricultural Production Systems Simulator (APSIM) modelling framework, and to parameterise it to simulate Brachiaria brizantha ?BRS Piatã? growth, under grazing and cut-and-carry management. For this, three field experiments were conducted in the South-east of Brazil where pasture growth was measured in a cut-and-carry system, with irrigated and rainfed treatments, and in a rainfed grazing system. Model evaluation was performed through precision and accuracy indices and simulation errors. Under cut-and-carry management, forage productivity was estimated with R2 values from 0.89 to 0.94, Willmott agreement indices between 0.97 and 0.98, and Nash-Sutcliffe Efficiency values of 0.88 to up to 0.92. This demonstrates the capacity of the APSIM-Tropical Pasture model to simulate tropical pastures. Simulation of phenology, early growth after sowing, partitioning and senescence during flowering, and reallocation and retranslocation of plant dry matter and nitrogen were important aspects for this capacity. Then, APSIM-Tropical Pasture can be used to simulate tropical pastures, but several requirements for furthe... Mostrar Tudo |
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Palavras-Chave: |
BRS Piatã cultivar; C4 grass; Cut and carry; Modelling. |
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Thesaurus Nal: |
Forage; Grazing. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 03144naa a2200277 a 4500
001 2124245
005 2020-08-10
008 2020 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.agsy.2020.102917$2DOI
100 1 $aBOSI, C.
245 $aAPSIM-Tropical Pasture$bA model for simulating perennial tropical grass growth and its parameterisation for palisade grass (Brachiaria brizantha).$h[electronic resource]
260 $c2020
300 $a14 p.
520 $aTropical grasses are used as forage, to produce energy from biomass, for land restoration and carbon sequestration, among other applications. Many modelling approaches have been employed to simulate tropical grasses growth, but these have several limitations that must be solved by adapting them or creating new models. This study aimed to develop a tropical pasture model in the Agricultural Production Systems Simulator (APSIM) modelling framework, and to parameterise it to simulate Brachiaria brizantha ?BRS Piatã? growth, under grazing and cut-and-carry management. For this, three field experiments were conducted in the South-east of Brazil where pasture growth was measured in a cut-and-carry system, with irrigated and rainfed treatments, and in a rainfed grazing system. Model evaluation was performed through precision and accuracy indices and simulation errors. Under cut-and-carry management, forage productivity was estimated with R2 values from 0.89 to 0.94, Willmott agreement indices between 0.97 and 0.98, and Nash-Sutcliffe Efficiency values of 0.88 to up to 0.92. This demonstrates the capacity of the APSIM-Tropical Pasture model to simulate tropical pastures. Simulation of phenology, early growth after sowing, partitioning and senescence during flowering, and reallocation and retranslocation of plant dry matter and nitrogen were important aspects for this capacity. Then, APSIM-Tropical Pasture can be used to simulate tropical pastures, but several requirements for further improvements have been identified, such as to improve the simulations of flowering for palisade grass, N effects on pasture yield, reallocation and retranslocation processes. Under grazing management, forage productivity was estimated with R2 = 0.80, Willmott agreement index of 0.91, and Nash-Sutcliffe Efficiency value of 0.62. Despite these reasonable results, simulations presented problems, since does not take into account the effect of grazing animals on pastures. This indicates that, in its current form, APSIM-Tropical Pasture is not able to simulate pastures under grazing effectively. However, this simulation of grazed system was important to identify main modelling constraints and direct future research to improve knowledge of processes and interactions needed for pasture model development.
650 $aForage
650 $aGrazing
653 $aBRS Piatã cultivar
653 $aC4 grass
653 $aCut and carry
653 $aModelling
700 1 $aSENTELHAS, P. C.
700 1 $aHUTH, N. I.
700 1 $aPEZZOPANE, J. R. M.
700 1 $aANDREUCCI, M. P.
700 1 $aSANTOS, P. M.
773 $tAgricultural Systems$gn. 184, 102917.
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Registro original: |
Embrapa Pecuária Sudeste (CPPSE) |
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| Registros recuperados : 374 | |
| 121. |  | MARIN, F. R.; PEZZOPANE, J. R. M.; PEDRO JÚNIOR, M.; GODOY, I. J.; GOUVÊA, J. R. R. F. Estimativa da produtividade e determinação das melhores épocas de semeadura para a cultura do amendoim no Estado de São Paulo. Revista Brasileira de Agrometeorologia, Piracicaba, v. 14, n. 1, p. 64-75, 2006.| Biblioteca(s): Embrapa Agricultura Digital. |
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| 122. | | BIELUCZYK, W.; PICCOLO, M. C.; BERNARDI, A. C. de C.; PEZZOPANE, J. R. M.; PEREIRA, M. G. Light organic matter under integration of agriculture, livestock and forestry systems (SP-Brazil). In: WORLD CONGRESS ON INTEGRADED CROP LIVESTOCK FOREST SYSTEMS, 3., 2015, Brasília. Towards sustainable identification: anais. Brasília: Embrapa, 2015.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
|  |
| 125. | | PASQUINI NETO, R.; RODRIGUES, P. H. M.; MILHORINI, P. C.; BOSI, C.; BERNDT, A.; PEZZOPANE, J. R. M. Leaf area index and plant-part composition of grazed pastures in intensive and integrated beef cattle production systems. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 56., 2021, Florianópolis. Animal science: challenges in production and sustainability: proceedings... Brasília, DF: Sociedade Brasileira de Zootecnia, 2021. p. 79.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 128. | | RIBAS, L. C. P. S.; BOSI, C.; CRUZ, P. G. da; SANTOS, P. M.; PEZZOPANE, J. R. M. Índice de área foliar e composição morfológica de cultivares de Brachiaria brizantha em resposta à irrigação e condições climáticas. In: JORNADA CIENTÍFICA - EMBRAPA SÃO CARLOS, 4., 2012, São Carlos, SP. Anais... São Carlos: Embrapa Instrumentação: Embrapa Pecuária Sudeste, 2012. p. 52. (Embrapa Instrumentação. Documentos, 56).| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 129. | | BONANI, W. L.; VOLPE, L. L.; BOSI, C.; BERNARDI, A. C. de C.; PEZZOPANE, J. R. M. Incidência da radiação solar em sistema silvipastoril após desbaste do componente arbóreo. In: JORNADA CIENTÍFICA DA EMBRAPA SÃO CARLOS, 10., 2018, São Carlos, SP. Anais... São Carlos, SP: Embrapa Instrumentação; Embrapa Pecuária Sudeste, 2018. p.15. (Embrapa Instrumentação. Documentos, 68).| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 130. | | MENEGAZZO, L. P.; LAURENTI, N.; LIMA, C. B. S.; PEZZOPANE, J. R. M.; BERNARDI, A. C. de C. Índices de reflectância em pastagens sob sistemas ILP e ILPF. In: SIMPÓSIO NACIONAL DE INSTRUMENTAÇÃO AGROPECUÁRIA, 4., 2019, São Carlos, SP. Anais... São Carlos, SP: Embrapa Instrumentação, 2019. 112-116. Editores: Paulino Ribeiro Villas-Boas, Maria Alice Martins, Débora Marcondes Bastos Pereira Milori, Ladislau Matin Neto. IV SIAGRO.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 132. | | NUNES, F. L.; CAMARGO, M. B. P. de; FAZUOLI, L. C.; ROLIM, G. de S.; PEZZOPANE, J. R. M. Modelos agrometereológicos de estimativa da duração do estádio floração-maturação para três cultivares de café arábica. Bragantia, Campinas, v.69, n. 4, p.1011-1018, 2010.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 134. | | ARAÚJO, A. V.; PARTELLI, F. L.; OLIVEIRA, M. G.; PEZZOPANE, J. R. M.; CAVATTE, P. C.; FALQUETO, A. R. Microclima e crescimento vegetativo do café conilon consorciado com bananeiras. Coffee Science, v. 10, n. 2, p. 214-222, abr./jun. 2015.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 2 |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 135. | | MAIELLO, I. P.; LAURENTI, N.; BETTIOL, G. M.; BOSI, C.; BRUNETTI, H. B.; PEZZOPANE, J. R. M. Microclima em sistemas integrados de produção pecuária sob manejo do componente arbóreo: radiação fotossinteticamente ativa. In: JORNADA CIENTÍFICA DA EMBRAPA SÃO CARLOS, 14., 2022, São Carlos, SP. Anais... São Carlos, SP: Embrapa Instrumentação; Embrapa Pecuária Sudeste, 2022. p. 31. (Embrapa Instrumentação. Documentos, 73).| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Cerrados. |
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| 136. | | MAIELLO, I. P.; LAURENTI, N.; BETTIOL, G. M.; BOSI, C.; BRUNETTI, H. B.; PEZZOPANE, J. R. M. Microclima em sistemas integrados de produção pecuária sob manejo do componente arbóreo: radiação fotossinteticamente ativa. In: JORNADA CIENTÍFICA DA EMBRAPA SÃO CARLOS, 14., 2022, São Carlos, SP. Anais... São Carlos, SP: Embrapa Instrumentação; Embrapa Pecuária Sudeste, 2022. p. 31. (Embrapa Instrumentação. Documentos, 73).| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 137. | | PEZZOPANE, J. R. M.; BOSI, C.; NICODEMO, M. L. F.; SANTOS, P. M.; CRUZ, P. G. da; PARMEJIANI, R. S. Microclimate and soil moisture in a silvopastoral system in southeastern Brazil. Bragantia, Campinas, v. 74, n. 1, p. 110-119, 2015.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 138. | | PEZZOPANE, J. R. M.; NICODEMO, M. L. F.; SANTOS, P. M.; CRUZ, P. G. da; BOSI, C.; PARMEJIANI, R. S. Microclimate and soil moisture in a silvopastoral system in southeastern Brazil. Bragantia, Campinas v. 74, n. 1, p.110-119, 2015.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Rondônia. |
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| 139. | | GOMES, V. M.; PINATI, C. C.; ANGELINI, P. B.; BOSI, C.; BRUNETTI, H. B.; PEZZOPANE, J. R. M. Microclima e umidade do solo em pastagens a pleno sol e consorciada com feijão guandu. In: JORNADA CIENTÍFICA DA EMBRAPA SÃO CARLOS, 14., 2022, São Carlos, SP. Anais... São Carlos, SP: Embrapa Instrumentação; Embrapa Pecuária Sudeste, 2022. p. 74. (Embrapa Instrumentação. Documentos, 73).| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 140. | | GASPARI-PEZZOPANE, C. de; FAVARIN, J. L.; MALUF, M. P.; PEZZOPANE, J. R. M.; MISTRO, J. C.; SALGADO, P. R. Metodologia para avaliação do comportamento fenológico de cultivares de Coffea arabica. In: SIMPÓSIO DE PESQUISA DOS CAFÉS DO BRASIL, 5., 2007, Águas de Lindóia. Anais... Brasília, DF: Embrapa Café, 2007.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Café. |
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| Registros recuperados : 374 | |
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