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| 182. |  | SILVA, S. C. da; MEIRELES, E. J. L.; ASSAD, E. D.; XAVIER, L. de S.; CUNHA, M. A. C. da. Caracterização do risco climático para a cultura do arroz de terras altas no Estado de Mato Grosso. In: REUNIÃO NACIONAL DE PESQUISA DE ARROZ, 6., 1998, Goiânia, GO. Perspectivas para a cultura do arroz nos ecossistemas de várzeas e terras altas: painel, conferências e mesas-redondas. Santo Antônio de Goiás: Embrapa Arroz e Feijão, 1999. v. 2. p. 139-143. (Embrapa Arroz e Feijão. Documentos, 96).| Biblioteca(s): Embrapa Arroz e Feijão. |
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| 183. | | MONTAGENR, D. B.; NASCIMENTO JÚNIOR, D. do N.; EUCLIDES, V. P. B.; SILVA, S. C. da; CARLOTO, M. N. Características morfofisiológicas e acúmulo de forragem em pastos de capim-mombaça submetido a intensidades de pastejo rotativo. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 45., 2008, Lavras. Biotecnologia e sustentabilidade: anais. Brasília, DF: SBZ; Lavras: UFLA, 2008. 3 p. 1 CD-ROM. Trabalho C585.| Biblioteca(s): Embrapa Gado de Corte. |
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| 185. | | SILVA, S. C. da; SANTANA, N. M. P. de; RABELO, C. G.; SOARES, E. G. da S.; PELEGRINI, J. C. Informações meteorológicas para pesquisa e planejamento agrícola, referentes ao município de Santo Antônio de Goiás, GO, 2004. Santo Antônio de Goiás: Embrapa Arroz e Feijão, 2005. (Embrapa Arroz e Feijão. Documentos on-line, 177).| Biblioteca(s): Embrapa Arroz e Feijão. |
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| 188. | | SILVEIRA, P. M. da; NARCISO, M. G.; HEINEMANN, A. B.; SILVA, S. C. da; NOLETO, F. F.; STONE, L. F. IrrigaFeijão - software para manejo da irrigação do feijoeiro. In: CONGRESSO BRASILEIRO DE AGROINFORMÁTICA, 13., 2021, Bagé. Anais. Bagé: Universidade Federal do Pampa, 2021. p. 172-178. SBIAGRO 2021.| Biblioteca(s): Embrapa Arroz e Feijão. |
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| 190. | | GEREMIA, E. V.; CREATANI, S.; MASCHERONI, J. D. C.; MICHETTI, M.; CARNEVALLI, R. A.; SILVA, S. C. da. Morphological composition and herbage intake rate of Brachiaria brizantha cv. Piatã subjected to shade regimes in a crop-livestock-forest integration area. In: WORLD CONGRESS ON INTEGRATED CROP-LIVESTOCK-FOREST SYSTEMS; INTERNATIONAL SYMPOSIUM ON INTEGRATED CROP-LIVESTOCK SYSTEMS, 3., 2015, Brasília, DF. Towards sustainable intensification: proceedings. Brasília, DF: Embrapa, 2015. p. 223.| Biblioteca(s): Embrapa Agrossilvipastoril. |
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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. |
Registro Completo
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Biblioteca(s): |
Embrapa Agrossilvipastoril. |
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Data corrente: |
07/11/2018 |
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Data da última atualização: |
07/11/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
VERAGEREMIA, E.; CRESTANI, S.; MASCHERONI, J. D. C.; MONTEIRO, R. A. C.; MOURÃO, G. B.; SILVA, S. C. da. |
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Afiliação: |
ELIANA VERAGEREMIA, USP, ESALQ, PIRACICABA; STEBEN CRESTANI, USP, ESALQ, PIRACICABA; JORGE DANIEL CABALLERO MASCHERONI, UNIVERSIDAD NACIONAL DE ASUNCIÓN, SAN LORENZO; ROBERTA APARECIDA C MONTEIRO, CNPGL; GERSON BARRETO MOURÃO, USP, ESALQ, PIRACICABA; SILA CARNEIRO DA SILVA, USP, ESALQ, PIRACICABA. |
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Título: |
Sward structure and herbage intake of Brachiaria brizantha cv. Piatã in a crop-livestock-forestry integration area. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Livestock Science, v. 212, p. 83-92, 2018. |
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DOI: |
https://doi.org/10.1016/j.livsci.2018.03.020 |
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Idioma: |
Inglês |
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Conteúdo: |
Forage species tolerate varying degrees of shading. In agrosilvopastoral systems, forage plants are able to adjust and partially compensate growth reduction under light stress. These adjustments change morphological proportions and composition along the vertical profile of the sward. Sward morphological composition is directly related to animal intake behavior and performance. One objective of this study was to evaluate the effects of different tree shading levels on sward vertical structure of Piatã palisadegrass cultivated in a crop-livestock-forestry integration area. Another objective was to identify the relationship between sward vertical structure and herbage intake by cattle (Boss pp.). Three experiments were conducted simultaneously to evaluate three shading levels: 1. Full sunlight (FS); 2. Moderate shade (MS; 338 trees.ha−1); and Intense shade (IS; 714 trees.ha−1). Evaluation was performed during three periods in which total rainfall during the experimental period corresponded to 86, 12 and 2% (periods 1, 2 and 3, respectively). Pastures were rotationally stocked and grazed at 95% canopy light interception (LI) during regrowth (95% LI). Two strategies for taking the reference readings of LI were tested in IS paddocks: LI reading inside (under the tree canopy) and outside (under full natural light) the experimental area. The IS had greatest forage height and proportion of stems, both pre- grazing and post-grazing. Consequently, animals under IS had decreased bite mass and intake rate, pre- and post-grazing except for period 3. There was an effect of shading level on herbage crude protein (CP) concentration. Greatest CP concentrations were observed on IS areas. Neutral detergent fiber (NDF) and acid detergent fiber (ADF) did not vary with shading levels. Herbage dry matter digestibility varied with evaluation period, and lowest values were recorded during period 3. Greater herbage intake was observed on FS and MS relative to IS, due to greater leaf proportion in sward herbage mass. Moderate shading is not so detrimental to system's productivity, highlighting the importance of adequate choice of tree species, plant density and arrangement. MenosForage species tolerate varying degrees of shading. In agrosilvopastoral systems, forage plants are able to adjust and partially compensate growth reduction under light stress. These adjustments change morphological proportions and composition along the vertical profile of the sward. Sward morphological composition is directly related to animal intake behavior and performance. One objective of this study was to evaluate the effects of different tree shading levels on sward vertical structure of Piatã palisadegrass cultivated in a crop-livestock-forestry integration area. Another objective was to identify the relationship between sward vertical structure and herbage intake by cattle (Boss pp.). Three experiments were conducted simultaneously to evaluate three shading levels: 1. Full sunlight (FS); 2. Moderate shade (MS; 338 trees.ha−1); and Intense shade (IS; 714 trees.ha−1). Evaluation was performed during three periods in which total rainfall during the experimental period corresponded to 86, 12 and 2% (periods 1, 2 and 3, respectively). Pastures were rotationally stocked and grazed at 95% canopy light interception (LI) during regrowth (95% LI). Two strategies for taking the reference readings of LI were tested in IS paddocks: LI reading inside (under the tree canopy) and outside (under full natural light) the experimental area. The IS had greatest forage height and proportion of stems, both pre- grazing and post-grazing. Consequently, animals under IS had decre... Mostrar Tudo |
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Palavras-Chave: |
Forage intake; Integration systems; Light interception; Piatã palisadegrass. |
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Thesaurus NAL: |
Nutritive value. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
|
Marc: |
LEADER 03004naa a2200253 a 4500
001 2098971
005 2018-11-07
008 2018 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.livsci.2018.03.020$2DOI
100 1 $aVERAGEREMIA, E.
245 $aSward structure and herbage intake of Brachiaria brizantha cv. Piatã in a crop-livestock-forestry integration area.$h[electronic resource]
260 $c2018
520 $aForage species tolerate varying degrees of shading. In agrosilvopastoral systems, forage plants are able to adjust and partially compensate growth reduction under light stress. These adjustments change morphological proportions and composition along the vertical profile of the sward. Sward morphological composition is directly related to animal intake behavior and performance. One objective of this study was to evaluate the effects of different tree shading levels on sward vertical structure of Piatã palisadegrass cultivated in a crop-livestock-forestry integration area. Another objective was to identify the relationship between sward vertical structure and herbage intake by cattle (Boss pp.). Three experiments were conducted simultaneously to evaluate three shading levels: 1. Full sunlight (FS); 2. Moderate shade (MS; 338 trees.ha−1); and Intense shade (IS; 714 trees.ha−1). Evaluation was performed during three periods in which total rainfall during the experimental period corresponded to 86, 12 and 2% (periods 1, 2 and 3, respectively). Pastures were rotationally stocked and grazed at 95% canopy light interception (LI) during regrowth (95% LI). Two strategies for taking the reference readings of LI were tested in IS paddocks: LI reading inside (under the tree canopy) and outside (under full natural light) the experimental area. The IS had greatest forage height and proportion of stems, both pre- grazing and post-grazing. Consequently, animals under IS had decreased bite mass and intake rate, pre- and post-grazing except for period 3. There was an effect of shading level on herbage crude protein (CP) concentration. Greatest CP concentrations were observed on IS areas. Neutral detergent fiber (NDF) and acid detergent fiber (ADF) did not vary with shading levels. Herbage dry matter digestibility varied with evaluation period, and lowest values were recorded during period 3. Greater herbage intake was observed on FS and MS relative to IS, due to greater leaf proportion in sward herbage mass. Moderate shading is not so detrimental to system's productivity, highlighting the importance of adequate choice of tree species, plant density and arrangement.
650 $aNutritive value
653 $aForage intake
653 $aIntegration systems
653 $aLight interception
653 $aPiatã palisadegrass
700 1 $aCRESTANI, S.
700 1 $aMASCHERONI, J. D. C.
700 1 $aMONTEIRO, R. A. C.
700 1 $aMOURÃO, G. B.
700 1 $aSILVA, S. C. da
773 $tLivestock Science$gv. 212, p. 83-92, 2018.
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