| |
|
|
| Registros recuperados : 7 | |
| 7. |  | LAHMAR, R.; ARRÚE, J. L.; DENARDIN, J. E.; GUPTA, R. K.; RIBEIRO, M. F. S.; TOURDONNET, S. de; ABROL, I. P.; BARZ, P.; BENITO, A. de; BIANCHINI, A.; BOLLIGER, A.; CANTERO-MARTÍNEZ, C.; CARDARELLI, A.; CHENU, C.; DÜRING, R. A.; FERNÁNDEZ, J. E.; FERREIRA, R.; FLORES, C. A.; FRIELINGHAUS, M.; TUAN, HA DINH; HUSSAIN, I.; KAVVADIAS, V.; KLIEMANN, H. J.; KOCHHANN, R. A.; KÖLLI, R.; KUBAT, J.; LAKTIONOVA, T.; LÓPES, M. V.; MAGID, J.; MEDVEDEV, V.; MENDES, I. C.; MICHELS, A.; MIRANDA, G. M.; MONTOYA, L.; MORENO, F.; MRABET, R.; MÜLLER, L.; MURILLO, J. M.; NAZARENO, N.; NETLAND, J.; NIELSEN, N. E.; NIEVES-MORTENSEN, C.; NOVAKOVA, J.; NOZIÈRES, A.; ONORATI, A.; PASCHALIDIS, C.; PAZ, C.; PEIRETTI, R.; PÉREZ DE CIRIZA, J. J.; PICARD, D.; PILLON, C. N.; POCHEPTSOVA, L.; QUILLET, J. C.; SANGAR, S.; SAULAS, P.; SCOPEL, E.; SKORA NETO, F.; SIMON, T.; SOMBRERO, A.; TENORIO, J. L.; TESSIER, D.; THINGGAARD, K.; TRIPATHI, S. C.; VANDEPUTTE, E.; WERRITY, J.; WILLMS, M.; ZAMBRANA, E.; ZERVAKIS, G. Knowledge assessment and sharing on sustainable agriculture. Synthesis report. In: LAHMAR, R.; ARRÚE, J. L.; DENARDIN, J. E.; GUPTA, R. K.; RIBEIRO, M. F. S.; TOURDONNET, S. de. (Ed.). KASSA - Knowledge Assessment and Sharing on Sustainable Agriculture. Montpellier: CIRAD, 2007. 132 p. 1 CD-ROM. Projeto DG-Research - Contract nº GOCE-CT-2004-505582.| Biblioteca(s): Embrapa Trigo. |
|    |
| Registros recuperados : 7 | |
|
|
|
 | Acesso ao texto completo restrito à biblioteca da Embrapa Amazônia Oriental. Para informações adicionais entre em contato com cpatu.biblioteca@embrapa.br. |
Registro Completo
|
Biblioteca(s): |
Embrapa Amazônia Oriental. |
|
Data corrente: |
25/06/2013 |
|
Data da última atualização: |
07/11/2022 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Circulação/Nível: |
A - 2 |
|
Autoria: |
MARKEWITZ, D.; FIGUEIREDO, R. de O.; CARVALHO, C. J. R. de; DAVIDSON, E. A. |
|
Afiliação: |
DANIEL MARKEWITZ, Warnell School of Forestry and Natural Resources, The University of Georgia; RICARDO DE OLIVEIRA FIGUEIREDO, CNPMA; CLAUDIO JOSE REIS DE CARVALHO, CPATU; ERIC A. DAVIDSON, The Woods Hole Research Center. |
|
Título: |
Soil and tree response to P fertilization in a secondary tropical forest supported by an Oxisol. |
|
Ano de publicação: |
2012 |
|
Fonte/Imprenta: |
Biology and Fertility of Soils, v. 48, n. 6, p. 665-678, Aug. 2012. |
|
DOI: |
10.1007/s00374-011-0659-9 |
|
Idioma: |
Inglês |
|
Conteúdo: |
Abstract Mature tropical forests are considered to be P limited and to cycle P efficiently. Whether P limitations are significant in younger secondary tropical forests, how- ever, remains largely unexplored. This study evaluated P limitation by observing the P fertilizer response of a natu- rally regenerated 24-year-old forest and its soil. In February 1999, six 20×20-m plots were established in secondary forest in the Brazilian Amazon. After 1 year of pre- treatment tree measurements, 50 kg Pha-1 was applied in January 2000 and again in January 2001. Soil sorption of P was relatively low (~100 micrograms g-1) in the surface 0?20 cm while sorption increased to ~180 micrograms g-1 at 20?50 cm and approached ~500 micrograms g-1 for the 50- to 200-cm layers. Soil P in 0?10 cm, measured as sequentially extractable fractions (resin, HCO3-Pi, NaOH-Pi, NaOH-Po, and 1 M HCl), in- creased shortly after fertilization and could account for nearly all the 50 kg Pha-1 added at each date. During the following 6 years, soil P in fertilized plots declined in all pools other than resin P, and by June 2006, concentrations returned to pre-fertilization levels. Despite the increase in extractable P with fertilization, increased tree growth was not detected from stand age 25 to 31 years. It appears that during secondary forest succession at this site, the forest P cycle was conservative so as to maintain available P at a sufficient concentration to meet forest P demands. |
|
Palavras-Chave: |
Fracionamento de fósforo; Limitação de fósforo; Sorção de fósforo. |
|
Thesagro: |
Fertilidade do solo; Floresta secundária; Floresta tropical; Fósforo. |
|
Thesaurus NAL: |
Amazonia; phosphorus fertilizers; rain forests; secondary forests; soil fertility. |
|
Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
|
Marc: |
LEADER 02448naa a2200313 a 4500
001 1960562
005 2022-11-07
008 2012 bl uuuu u00u1 u #d
024 7 $a10.1007/s00374-011-0659-9$2DOI
100 1 $aMARKEWITZ, D.
245 $aSoil and tree response to P fertilization in a secondary tropical forest supported by an Oxisol.$h[electronic resource]
260 $c2012
520 $aAbstract Mature tropical forests are considered to be P limited and to cycle P efficiently. Whether P limitations are significant in younger secondary tropical forests, how- ever, remains largely unexplored. This study evaluated P limitation by observing the P fertilizer response of a natu- rally regenerated 24-year-old forest and its soil. In February 1999, six 20×20-m plots were established in secondary forest in the Brazilian Amazon. After 1 year of pre- treatment tree measurements, 50 kg Pha-1 was applied in January 2000 and again in January 2001. Soil sorption of P was relatively low (~100 micrograms g-1) in the surface 0?20 cm while sorption increased to ~180 micrograms g-1 at 20?50 cm and approached ~500 micrograms g-1 for the 50- to 200-cm layers. Soil P in 0?10 cm, measured as sequentially extractable fractions (resin, HCO3-Pi, NaOH-Pi, NaOH-Po, and 1 M HCl), in- creased shortly after fertilization and could account for nearly all the 50 kg Pha-1 added at each date. During the following 6 years, soil P in fertilized plots declined in all pools other than resin P, and by June 2006, concentrations returned to pre-fertilization levels. Despite the increase in extractable P with fertilization, increased tree growth was not detected from stand age 25 to 31 years. It appears that during secondary forest succession at this site, the forest P cycle was conservative so as to maintain available P at a sufficient concentration to meet forest P demands.
650 $aAmazonia
650 $aphosphorus fertilizers
650 $arain forests
650 $asecondary forests
650 $asoil fertility
650 $aFertilidade do solo
650 $aFloresta secundária
650 $aFloresta tropical
650 $aFósforo
653 $aFracionamento de fósforo
653 $aLimitação de fósforo
653 $aSorção de fósforo
700 1 $aFIGUEIREDO, R. de O.
700 1 $aCARVALHO, C. J. R. de
700 1 $aDAVIDSON, E. A.
773 $tBiology and Fertility of Soils$gv. 48, n. 6, p. 665-678, Aug. 2012.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Amazônia Oriental (CPATU) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
| Nenhum registro encontrado para a expressão de busca informada. |
|
|
