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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
14/01/2015 |
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Data da última atualização: |
14/01/2015 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
PONTES, L. da S.; BALDISSERA, T. C.; BARRO, R. S.; GIOSTRI, A. F.; STAFIN, G.; SANTOS, B. R. C.; PORFIRIO-DA-SILVA, V.; CARVALHO, P. C. de F. |
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Afiliação: |
IAPAR; IAPAR / UFPR; UFRGS; IAPAR / UFPR; IAPAR; UFPR; VANDERLEY PORFIRIO DA SILVA, CNPF; UFRGS. |
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Título: |
Interactive N supply and cutting intensity effect on canopy height at 95% light interception. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
In: GENERAL MEETING OF THE EUROPEAN GRASSLAND FEDERATION, 25., 2014, Aberystwyth, Wales. EGF at 50: the future of European grasslands: proceedings. Zurich: EGF, 2014. |
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Páginas: |
p. 353-355. |
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Descrição Física: |
Disponível online. |
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Série: |
(Grassland science in Europe, v. 19). |
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DOI: |
20143369054 |
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Idioma: |
Inglês |
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Conteúdo: |
The aim of this study was to evaluate the impact of pasture management practices on leaf canopy height (LCH) at 95% light interception (LI), since this is a valuable strategy of defoliation frequency. These relationships were investigated over two years with monocultures grown in a fully factorial block design crossing six C4 pasture grass species, two cutting intensities and two N levels. We found variations on LCH at 95% LI, mainly across seasons, but also between treatments. The range of these variations was species-dependent. Therefore, in order to maintain a target IL level, grassland managers should cut or graze at different heights according to the species and seasons. N fertilization and an increase in cutting height above ground level can provide a sward structure that allows lower pre-cutting/grazing height and, consequently, shorter intervals between defoliations. |
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Palavras-Chave: |
C4 grasses; Defoliation frequency; Freqüência de desfolhação; Response to management. |
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Thesagro: |
Gramínea; Manejo; Pastagem. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01964nam a2200313 a 4500
001 2005390
005 2015-01-14
008 2014 bl uuuu u00u1 u #d
024 7 $a20143369054$2DOI
100 1 $aPONTES, L. da S.
245 $aInteractive N supply and cutting intensity effect on canopy height at 95% light interception.$h[electronic resource]
260 $aIn: GENERAL MEETING OF THE EUROPEAN GRASSLAND FEDERATION, 25., 2014, Aberystwyth, Wales. EGF at 50: the future of European grasslands: proceedings. Zurich: EGF$c2014
300 $ap. 353-355.$cDisponível online.
490 $a(Grassland science in Europe, v. 19).
520 $aThe aim of this study was to evaluate the impact of pasture management practices on leaf canopy height (LCH) at 95% light interception (LI), since this is a valuable strategy of defoliation frequency. These relationships were investigated over two years with monocultures grown in a fully factorial block design crossing six C4 pasture grass species, two cutting intensities and two N levels. We found variations on LCH at 95% LI, mainly across seasons, but also between treatments. The range of these variations was species-dependent. Therefore, in order to maintain a target IL level, grassland managers should cut or graze at different heights according to the species and seasons. N fertilization and an increase in cutting height above ground level can provide a sward structure that allows lower pre-cutting/grazing height and, consequently, shorter intervals between defoliations.
650 $aGramínea
650 $aManejo
650 $aPastagem
653 $aC4 grasses
653 $aDefoliation frequency
653 $aFreqüência de desfolhação
653 $aResponse to management
700 1 $aBALDISSERA, T. C.
700 1 $aBARRO, R. S.
700 1 $aGIOSTRI, A. F.
700 1 $aSTAFIN, G.
700 1 $aSANTOS, B. R. C.
700 1 $aPORFIRIO-DA-SILVA, V.
700 1 $aCARVALHO, P. C. de F.
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Embrapa Florestas (CNPF) |
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| 1. |  | ZUFFA, S.; SCHMID, R.; BAUERMEISTER, A.; GOMES, P. W. P.; CARABALLO-RODRIGUEZ, A. M.; EL ABIEAD, Y.; ARON, A. T.; GENTRY, E. C.; ZEMLIN, J.; MEEHAN, M. J.; AVALON, N. E.; CICHEWICZ, R. H.; BUZUN, E.; CARRILLO TERRAZAS, M.; HSU, C. Y.; OLES, R.; AYALA, A. V.; ZHAO, J.; CHU, H.; KUIJPERS, M. C. M.; JACKREL, S. L.; TUGIZIMANA, F.; NEPHALI, L. P.; DUBERY, I. A.; MADALA, N. E.; MOREIRA, E. A.; COSTA-LOTUFO, L. V.; LOPES, N. P.; REZENDE-TEIXEIRA, P.; JIMENEZ, P. C.; RIMAL, B.; PATTERSON, A. D.; TRAXLER, M. F.; PESSOTTI, R. de C.; ALVARADO-VILLALOBOS, D.; TAMAYO-CASTILLO, G.; CHAVERRI, P.; ESCUDERO-LEYVA, E.; QUIROS-GUERRERO, L. M.; BORY, A. J.; JOUBERT, J.; RUTZ, A.; WOLFENDER, J. L.; ALLARD, P. M.; SICHERT, A.; PONTRELLI, S.; PULLMAN, B. S.; BANDEIRA, N.; GERWICK, W. H.; GINDRO, K.; MASSANA-CODINA, J.; WAGNER, B. C.; FORCHHAMMER, K.; PETRAS, D.; AIOSA, N.; GARG, N.; LIEBEKE, M.; BOURCEAU, P.; KANG, K. B.; GADHAVI, H.; CARVALHO, L. P. S. de; SANTOS, M. S. dos; PÉREZ-LORENTE, A. I.; MOLINA-SANTIAGO, C.; ROMERO, D.; FRANKE, R.; BRÖNSTRUP, M.; PONCE DE LEÓN, A. V.; POPE, P. B.; LA ROSA, S. L.; LA BARBERA, G.; ROAGER, H. M.; LAURSEN, M. F.; HAMMERLE, F.; SIEWERT, B.; PEINTNER, U.; LICONA-CASSANI, C.; RODRIGUEZ-ORDUÑA, L.; RAMPLER, E.; HILDEBRAND, F.; KOELLENSPERGER, G.; SCHOENY, H.; HOHENWALLNER, K.; PANZENBOECK, L.; GREGOR, R.; O'NEILL, E. C.; ROXBOROUGH, E. T.; ODOI, J.; BALE, N. J.; DING, S.; DAMSTÉ, J. S. S.; GUAN, X. L.; CUI, J. J.; JU, K. S.; SILVA, D. B.; SILVA, F. M. R.; SILVA, G. F. da; KOOLEN, H. H. F.; GRUNDMANN, C.; CLEMENT, J. A.; MOHIMANI, H.; BRODERS, K.; McPHAIL, K. L.; OBER-SINGLETON, S. E.; RATH, C. M.; McDONALD, D.; KNIGHT, R.; WANG, M.; DORRESTEIN, P. C. MicrobeMASST: a taxonomically informed mass spectrometry search tool for microbial metabolomics data. Nature Microbiology, v. 9, p. 336-345, Feb. 2024.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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