Portal do Governo Brasileiro
BDPA - Bases de Dados da Pesquisa Agropecuária Embrapa
 






Registro Completo
Biblioteca(s):  Embrapa Meio Ambiente.
Data corrente:  02/03/2015
Data da última atualização:  02/03/2015
Tipo da produção científica:  Artigo em Periódico Indexado
Autoria:  PITOMBO, L. M.; CARMO, J. B.; DE MARIA, I. C.; ANDRADE, C. A. de.
Afiliação:  LEONARDO MACHADO PITOMBO, IAC; JANAINA BRAGA DO CARMO, UFSCar; ISABELA CLERICI DE MARIA, IAC; CRISTIANO ALBERTO DE ANDRADE, CNPMA.
Título:  Carbon sequestration and greenhouse gases emissions in soil under sewage sludge residual effects.
Ano de publicação:  2015
Fonte/Imprenta:  Scientia Agricola, Piracicaba, v. 72, n. 2, p. 147-156, 2015.
Idioma:  Inglês
Conteúdo:  Abstract: The large volume of sewage sludge (SS) generated with high carbon (C) and nutrient content suggests that its agricultural use may represent an important alternative to soil carbon sequestration and provides a potential substitute for synthetic fertilizers. However, emissions of CH4 and N2O could neutralize benefits with increases in soil C or saving fertilizer production because these gases have a Global Warming Potential (GWP) 25 and 298 times greater than CO2, respectively. Thus, this study aimed to determine C and N content as well as greenhouse gases (GHG) fluxes from soils historically amended with SS. Sewage sludge was applied between 2001 and 2007, and maize (Zea mays L.) was sowed in every year between 2001 and 2009. We evaluated three treatments: Control (mineral fertilizer), 1SS (recommended rate) and 2SS (double rate). Carbon stocks (0-40 cm) were 58.8, 72.5 and 83.1 Mg ha?1 in the Control, 1SS and 2SS, respectively, whereas N stocks after two years without SS treatment were 4.8, 5.8, and 6.8 Mg ha?1, respectively. Soil CO2 flux was highly responsive to soil temperature in SS treatments, and soil water content greatly impacted gas flux in the Control. Soil N2O flux increased under the residual effects of SS, but in 1SS, the flux was similar to that found in moist tropical forests. Soil remained as a CH4 sink. Large stores of carbon following historical SS application indicate that its use could be used as a method for carbon sequestration, even under tro... Mostrar Tudo
Palavras-Chave:  Climate changes.
Thesagro:  Adubo de esgoto; Clima; Dióxido de Carbono; Impacto ambiental; Lodo residual; Nitrogênio.
Thesaurus Nal:  Biosolids; Carbon dioxide; Environmental impact; Methane; Nitrogen; Nitrous oxide; Sewage sludge.
Categoria do assunto:  P Recursos Naturais, Ciências Ambientais e da Terra
URL:  https://ainfo.cnptia.embrapa.br/digital/bitstream/item/119105/1/2014AP56.pdf
Marc:  Mostrar Marc Completo
Registro original:  Embrapa Meio Ambiente (CNPMA)
Biblioteca ID Origem Tipo/Formato Classificação Cutter Registro Volume Status URL
CNPMA13819 - 1UPCAP - DD
Voltar






Acesso ao texto completo restrito à biblioteca da Embrapa Mandioca e Fruticultura. Para informações adicionais entre em contato com cnpmf.biblioteca@embrapa.br.

Registro Completo

Biblioteca(s):  Embrapa Mandioca e Fruticultura.
Data corrente:  11/01/2013
Data da última atualização:  19/05/2023
Tipo da produção científica:  Artigo em Periódico Indexado
Circulação/Nível:  A - 2
Autoria:  BRITTO, D. S.; PIROVANI, C. P.; GONZALEZ, E. R.; SILVA, J. F.; GESTEIRA, A. da S.; CASCARDO, J. C. de M.
Afiliação:  DAHYANA SANTOS BRITTO, UESC; CARLOS PRIMINHO PIROVANI, UESC; ESTEBAN ROBERTO GONZALEZ, Suzano Papel e Celulose; JOÃO FLAVIO da SILVA, Suzano Papel e Celulose; ABELMON DA SILVA GESTEIRA, CNPMF; JÚLIO CÉSAR DE MATTOS CASCARDO.
Título:  Oxidative stress proteins as an indicator of a low quality of eucalyptus clones for the pulp and paper industry.
Ano de publicação:  2012
Fonte/Imprenta:  Genetics and Molecular Research, v. 11, n. 4, p. 3798-3813, 2012.
ISSN:  1676-5680
Idioma:  Inglês
Conteúdo:  Eucalyptus is a genus widely cultivated in many tropical and subtropical regions of the world as one of the main sources of raw materials for the pulp and paper industry. Identification of clones and selection of genotypes with desirable agronomic characteristics would be useful. We assessed eucalyptus full-sibs that varied in wood quality, using a combination of two-dimensional gel electrophoresis and mass spectrometry to identify differentially expressed proteins as candidates for quality markers. Thirty-one differently expressed proteins were identified, including three proteins of clone X1, four of clone X2, and 12 each of clones X3 and X4. These proteins are involved in various biological processes, including polyphosphate biosynthesis, catalytic activity, nucleotide excision repair, cellular metabolic processes, cell redox homeostasis, response to salt stress, response to temperature, oxidation and reduction processes, cellular water homeostasis, and protein phosphorylation. In the cambial region of each clone, the proteins ketol-acid reductoisomerase, uncharacterized protein MG428, receptor-like serine/threonine-protein kinase and a heat shock protein were found in larger quantities in clone X4 than in clone X1. These proteins are known to be related to protection against oxidative stress and biosynthesis of lignin. A high buildup of proteins involved in response to stress in the cambial region of eucalyptus would indicate clones with undesirable characteristics for u... Mostrar Tudo
Palavras-Chave:  Differential proteins.
Thesaurus NAL:  Eucalyptus; Heat shock proteins.
Categoria do assunto:  F Plantas e Produtos de Origem Vegetal
Marc:  Mostrar Marc Completo
Registro original:  Embrapa Mandioca e Fruticultura (CNPMF)
Biblioteca ID Origem Tipo/Formato Classificação Cutter Registro Volume Status
CNPMF29182 - 1UPCAP - DDPublicação digital
Fechar
Nenhum registro encontrado para a expressão de busca informada.
 
 

Embrapa
Todos os direitos reservados, conforme Lei n° 9.610
Política de Privacidade
Área Restrita

Embrapa Agricultura Digital
Av. André Tosello, 209 - Barão Geraldo
Caixa Postal 6041- 13083-886 - Campinas, SP
SAC: https://www.embrapa.br/fale-conosco

Valid HTML 4.01 Transitional