| |
|
|
 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
|
Registro Completo |
|
Biblioteca(s): |
Embrapa Florestas. |
|
Data corrente: |
14/01/2015 |
|
Data da última atualização: |
14/01/2015 |
|
Tipo da produção científica: |
Artigo em Anais de Congresso |
|
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. |
|
Afiliação: |
IAPAR; IAPAR / UFPR; UFRGS; IAPAR / UFPR; IAPAR; UFPR; VANDERLEY PORFIRIO DA SILVA, CNPF; UFRGS. |
|
Título: |
Interactive N supply and cutting intensity effect on canopy height at 95% light interception. |
|
Ano de publicação: |
2014 |
|
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. |
|
Páginas: |
p. 353-355. |
|
Descrição Física: |
Disponível online. |
|
Série: |
(Grassland science in Europe, v. 19). |
|
DOI: |
20143369054 |
|
Idioma: |
Inglês |
|
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. |
|
Palavras-Chave: |
C4 grasses; Defoliation frequency; Freqüência de desfolhação; Response to management. |
|
Thesagro: |
Gramínea; Manejo; Pastagem. |
|
Categoria do assunto: |
-- |
|
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.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Florestas (CNPF) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
|
| Registros recuperados : 4 | |
| 4. |  | MARQUES, M. V.; NACIUK, F. F.; MELLO, A. M. de S.; SEIBEL, N. M.; SANTOS, J. G. R. dos; FONTOURA, L. A. M. Quantificação de sulfanamidas em leite por cromatografia líquida de alta eficiência via azoderivados. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 43, n. 12, p. 1817-1820, dez. 2008. Notas Científicas.
Título em inglês: Sulfonamides quantification in milk by high performace liquid chromatography via azoderivatives.| Biblioteca(s): Embrapa Unidades Centrais. |
|    |
| Registros recuperados : 4 | |
|
| Nenhum registro encontrado para a expressão de busca informada. |
|
|
