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Registro Completo |
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Biblioteca(s): |
Biblioteca Rui Tendinha. |
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Data corrente: |
15/08/2016 |
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Data da última atualização: |
28/09/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
ROCHA, J. H. T.; GONÇALVES, J. L. de M.; GAVA, J. L.; GODINHO, T. de O.; MELO, E. A. S. C.; BAZANI, J. H.; HUBNER, A.; ARTHUR JÚNIOR, J. C.; WICHERT, M. P. |
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Afiliação: |
José Henrique Tertulino Rocha, USP/ESALQ; José Leonardo de Moraes Gonçalves, ESALQ; José L. Gava, Suzano Pulp and Paper S.A.; Tiago de Oliveira Godinho, Incaper; Eduardo A.S.C. Melo, Asia Pulp and Paper; José Henrique Bazani, Tree Agroflorestal; Ayeska Hubner, ESALQ; José C. Arthur Junior, UFRRJ; Marcos P. Wichert, FIBRIA. |
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Título: |
Forest residue maintenance increased the wood productivity of a Eucalyptus plantation over two short rotations. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
FOREST ECOLOGY AND MANAGEMENT, v. 379, p. 1-10, november 2016. |
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Idioma: |
Inglês |
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Conteúdo: |
Forest residue (i.e., litter layer, slash and bark), when used as biomass for energy production, represents an important strategy for use as a renewable energy source in many countries. However, these residues can also have importance as sources of nutrients for trees and soil conservation. The objectives of the present study were to assess the effects of forest residue management on soil, wood production and nutrient accumulation dynamics during two crop rotations in a Eucalyptus grandis plantation. Thus, we set up an experimental site with different intensities of removal, burning and incorporation of forest residues (first crop rotation of study ? R1). The stands of all treatments were harvested after eight years, and the trial was re-established with all forest residues maintained on the soil across all treatments (second crop rotation of study ? R2). R2 was conducted for eight more years. The growth and nutritional status, biomass and nutrient accumulation of the trees were assessed. The forest residue burn increased the initial nutrient availability in the soil; however, this availability returned to initial levels in a short period of time. Wood productivity decreased by approximately 40% with the removal of all forest residues in R1. In R2, wood productivity after the removal or burning of forest residues was 6% lower than when all forest residues were maintained on the soil. |
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Palavras-Chave: |
Biomassa; Eucalipto; Nutrição. |
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Thesaurus NAL: |
Eucalyptus grandis; Forest residue management; Minimal tillage; Nutrient cycling. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 02310naa a2200301 a 4500
001 1011484
005 2017-09-28
008 2016 bl uuuu u00u1 u #d
100 1 $aROCHA, J. H. T.
245 $aForest residue maintenance increased the wood productivity of a Eucalyptus plantation over two short rotations.$h[electronic resource]
260 $c2016
520 $aForest residue (i.e., litter layer, slash and bark), when used as biomass for energy production, represents an important strategy for use as a renewable energy source in many countries. However, these residues can also have importance as sources of nutrients for trees and soil conservation. The objectives of the present study were to assess the effects of forest residue management on soil, wood production and nutrient accumulation dynamics during two crop rotations in a Eucalyptus grandis plantation. Thus, we set up an experimental site with different intensities of removal, burning and incorporation of forest residues (first crop rotation of study ? R1). The stands of all treatments were harvested after eight years, and the trial was re-established with all forest residues maintained on the soil across all treatments (second crop rotation of study ? R2). R2 was conducted for eight more years. The growth and nutritional status, biomass and nutrient accumulation of the trees were assessed. The forest residue burn increased the initial nutrient availability in the soil; however, this availability returned to initial levels in a short period of time. Wood productivity decreased by approximately 40% with the removal of all forest residues in R1. In R2, wood productivity after the removal or burning of forest residues was 6% lower than when all forest residues were maintained on the soil.
650 $aEucalyptus grandis
650 $aForest residue management
650 $aMinimal tillage
650 $aNutrient cycling
653 $aBiomassa
653 $aEucalipto
653 $aNutrição
700 1 $aGONÇALVES, J. L. de M.
700 1 $aGAVA, J. L.
700 1 $aGODINHO, T. de O.
700 1 $aMELO, E. A. S. C.
700 1 $aBAZANI, J. H.
700 1 $aHUBNER, A.
700 1 $aARTHUR JÚNIOR, J. C.
700 1 $aWICHERT, M. P.
773 $tFOREST ECOLOGY AND MANAGEMENT$gv. 379, p. 1-10, november 2016.
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