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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
05/12/2013 |
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Data da última atualização: |
20/10/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CASTRO, R. M. da S.; RUIVO, M. de L. P.; PICCININ, J. L.; RODRIGUES, E. F. |
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Afiliação: |
ROSECÉLIA MOREIRA DA SILVA CASTRO, UFRA; MARIA DE LOURDES PINHEIRO RUIVO, MPEG; JORGE LUIZ PICCININ, MPEG; ERALDO FERREIRA RODRIGUES, CPATU. |
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Título: |
Influence of the rainfall in the content of nutrients in litter in agroforestry systems managed with burning and without burning in Amazon. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Agricultural Sciences, v. 4, n. 11A, p. 26-36, Nov. 2013. |
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DOI: |
10.4236/as.2013.411A004 |
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Idioma: |
Inglês |
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Conteúdo: |
This study evaluated the nutrient content of the litter, testing different treatments with burning and no burning, of the vegetation, to identify which one provides better efficiency in operation and production of nutrients in different seasonal conditions. The study area is located on the property of the family farmer, initially selected by a diagnosis socioeconomic, community Benjamin Constant, in northeastern Para. Litter was collected during two periods: dry season (November) and rainy (March) in 2009. For the collection of litter samples, we used collectors measuring (0.25 × 0.25 m2), which were placed directly on the soil surface. The collected material was stored in paper bags and taken to the laboratory for Chemical Analysis of the Brazilian Agricultural Research Corporation (EMBRAPA), which was determined by analyses of macronutrients (N, P, K, Ca, Mg, Na) and micronutrients (Fe, Cu, Mn, Zn). The highest concentrations of macronutrients were found in N for agroforestry systems with and without burning in two seasons (wet and dry). All macronutrients showed influence of seasonality, which was verified by the wide variation in nutritional behavior. The decreasing concentration of nutrients was presented N > Ca > Mg > Na > K > P in agroforestry system with burning, with maximum values of all nutrients in the rainy season, and N, P, K, Ca, Na in higher concentrations in agroforestry system without burning, and showed only the Mg peak in agroforestry system with burning. The behavior of the concentration of nutrients was opposite to that observed one, for all elements analyzed showed a reduction in the concentrations of nutrients in the dry season. The decreasing concentration of nutrients was presented Fe > Mn > Zn > Cu. MenosThis study evaluated the nutrient content of the litter, testing different treatments with burning and no burning, of the vegetation, to identify which one provides better efficiency in operation and production of nutrients in different seasonal conditions. The study area is located on the property of the family farmer, initially selected by a diagnosis socioeconomic, community Benjamin Constant, in northeastern Para. Litter was collected during two periods: dry season (November) and rainy (March) in 2009. For the collection of litter samples, we used collectors measuring (0.25 × 0.25 m2), which were placed directly on the soil surface. The collected material was stored in paper bags and taken to the laboratory for Chemical Analysis of the Brazilian Agricultural Research Corporation (EMBRAPA), which was determined by analyses of macronutrients (N, P, K, Ca, Mg, Na) and micronutrients (Fe, Cu, Mn, Zn). The highest concentrations of macronutrients were found in N for agroforestry systems with and without burning in two seasons (wet and dry). All macronutrients showed influence of seasonality, which was verified by the wide variation in nutritional behavior. The decreasing concentration of nutrients was presented N > Ca > Mg > Na > K > P in agroforestry system with burning, with maximum values of all nutrients in the rainy season, and N, P, K, Ca, Na in higher concentrations in agroforestry system without burning, and showed only the Mg peak in agroforestry system with burning.... Mostrar Tudo |
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Palavras-Chave: |
Queima; Sazonalidade; Sistema agroflorestal. |
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Thesagro: |
Ecossistema; Floresta; Serapilheira. |
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Thesaurus Nal: |
Amazonia. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/93545/1/ArtigoEraldo2013.pdf
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Marc: |
LEADER 02563naa a2200253 a 4500
001 1972952
005 2022-10-20
008 2013 bl uuuu u00u1 u #d
024 7 $a10.4236/as.2013.411A004$2DOI
100 1 $aCASTRO, R. M. da S.
245 $aInfluence of the rainfall in the content of nutrients in litter in agroforestry systems managed with burning and without burning in Amazon.$h[electronic resource]
260 $c2013
520 $aThis study evaluated the nutrient content of the litter, testing different treatments with burning and no burning, of the vegetation, to identify which one provides better efficiency in operation and production of nutrients in different seasonal conditions. The study area is located on the property of the family farmer, initially selected by a diagnosis socioeconomic, community Benjamin Constant, in northeastern Para. Litter was collected during two periods: dry season (November) and rainy (March) in 2009. For the collection of litter samples, we used collectors measuring (0.25 × 0.25 m2), which were placed directly on the soil surface. The collected material was stored in paper bags and taken to the laboratory for Chemical Analysis of the Brazilian Agricultural Research Corporation (EMBRAPA), which was determined by analyses of macronutrients (N, P, K, Ca, Mg, Na) and micronutrients (Fe, Cu, Mn, Zn). The highest concentrations of macronutrients were found in N for agroforestry systems with and without burning in two seasons (wet and dry). All macronutrients showed influence of seasonality, which was verified by the wide variation in nutritional behavior. The decreasing concentration of nutrients was presented N > Ca > Mg > Na > K > P in agroforestry system with burning, with maximum values of all nutrients in the rainy season, and N, P, K, Ca, Na in higher concentrations in agroforestry system without burning, and showed only the Mg peak in agroforestry system with burning. The behavior of the concentration of nutrients was opposite to that observed one, for all elements analyzed showed a reduction in the concentrations of nutrients in the dry season. The decreasing concentration of nutrients was presented Fe > Mn > Zn > Cu.
650 $aAmazonia
650 $aEcossistema
650 $aFloresta
650 $aSerapilheira
653 $aQueima
653 $aSazonalidade
653 $aSistema agroflorestal
700 1 $aRUIVO, M. de L. P.
700 1 $aPICCININ, J. L.
700 1 $aRODRIGUES, E. F.
773 $tAgricultural Sciences$gv. 4, n. 11A, p. 26-36, Nov. 2013.
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Registro original: |
Embrapa Amazônia Oriental (CPATU) |
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Registro Completo
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Biblioteca(s): |
Embrapa Acre. |
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Data corrente: |
16/11/2005 |
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Data da última atualização: |
20/11/2023 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
SILVA, C. S. da; OLIVEIRA, L. C. de. |
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Afiliação: |
Cristiane Soares da Silva, Bolsista Embrapa Acre; LUIS CLAUDIO DE OLIVEIRA, CPAF-Acre. |
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Título: |
Teores de carbono em espécies exploradas em regime de manejo florestal comunitário na Amazônia Ocidental. |
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Ano de publicação: |
2002 |
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Fonte/Imprenta: |
In: SEMINÁRIO DE INICIAÇÃO CIENTÍFICA, 11., 2002, Rio Branco, AC. Anais... Rio Branco: CNPq; PIBIC; Ufac, 2002. |
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Páginas: |
p. 118. |
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Idioma: |
Português |
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Conteúdo: |
Sumidouros de Carbono em florestas maduras mostram-se vulneráveis a alguns fatores como desmatamento, exploração seletiva, aumento da fragmentação e mortalidade causada por efeito borda. Em florestas manejadas, em função da maior produção por área e tempo de residência dos estoques de Carbono, as taxas de incremento de CO2 na atmosfera podem diminuir através da redução do desmatamento, do aumento do florestamento e do uso sustentado da biomassa florestal . Os teores de Carbono exportados pela biomassa na forma de pranchas, raramente são abordados em estudos de dinâmica de florestas, constituindo-se em uma lacuna da pesquisa. |
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Palavras-Chave: |
Acre; Amazonia Occidental; Amazônia Ocidental; Apuleia molaris; Cumaru cetim; Cumaru ferro; Dypterix odorata; Hymenolobium excelsum; Madera tropical; Manejo florestal comunitário; Peltogyne catingae; Projeto de Colonização Pedro Peixoto; Reservorios de carbono; Roxinho; Senador Guiomard (AC); Silvicultura comunitaria; Western Amazon. |
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Thesagro: |
Angelim; Carbono; Floresta tropical; Medição. |
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Thesaurus NAL: |
Carbon sinks; Community forestry; Tropical wood. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/164358/1/11867.pdf
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Marc: |
LEADER 01954nam a2200421 a 4500
001 1503015
005 2023-11-20
008 2002 bl uuuu u00u1 u #d
100 1 $aSILVA, C. S. da
245 $aTeores de carbono em espécies exploradas em regime de manejo florestal comunitário na Amazônia Ocidental.$h[electronic resource]
260 $aIn: SEMINÁRIO DE INICIAÇÃO CIENTÍFICA, 11., 2002, Rio Branco, AC. Anais... Rio Branco: CNPq; PIBIC; Ufac$c2002
300 $ap. 118.
520 $aSumidouros de Carbono em florestas maduras mostram-se vulneráveis a alguns fatores como desmatamento, exploração seletiva, aumento da fragmentação e mortalidade causada por efeito borda. Em florestas manejadas, em função da maior produção por área e tempo de residência dos estoques de Carbono, as taxas de incremento de CO2 na atmosfera podem diminuir através da redução do desmatamento, do aumento do florestamento e do uso sustentado da biomassa florestal . Os teores de Carbono exportados pela biomassa na forma de pranchas, raramente são abordados em estudos de dinâmica de florestas, constituindo-se em uma lacuna da pesquisa.
650 $aCarbon sinks
650 $aCommunity forestry
650 $aTropical wood
650 $aAngelim
650 $aCarbono
650 $aFloresta tropical
650 $aMedição
653 $aAcre
653 $aAmazonia Occidental
653 $aAmazônia Ocidental
653 $aApuleia molaris
653 $aCumaru cetim
653 $aCumaru ferro
653 $aDypterix odorata
653 $aHymenolobium excelsum
653 $aMadera tropical
653 $aManejo florestal comunitário
653 $aPeltogyne catingae
653 $aProjeto de Colonização Pedro Peixoto
653 $aReservorios de carbono
653 $aRoxinho
653 $aSenador Guiomard (AC)
653 $aSilvicultura comunitaria
653 $aWestern Amazon
700 1 $aOLIVEIRA, L. C. de
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Registro original: |
Embrapa Acre (CPAF-AC) |
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