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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
17/09/2004 |
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Data da última atualização: |
17/09/2004 |
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Autoria: |
ALVES, R. M. de O.; CARVALHO, C. A. L. de; SOUZA, B. de A. |
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Título: |
Arquitetura do ninho e aspectos bioecologicos de Trigona fulviventris fulviventris fulviventris Guerin, 1853, (Hymenoptera: Apidae). |
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Ano de publicação: |
2003 |
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Fonte/Imprenta: |
Magistra, Cruz das Almas, v. 15, n.1, Especial, p. 97-101, jan./jun. 2003. |
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Idioma: |
Português |
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Palavras-Chave: |
Abelha; Apicultura; Apoidea; Meliponinae; Trigonini. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00616naa a2200193 a 4500
001 1032398
005 2004-09-17
008 2003 bl uuuu u00u1 u #d
100 1 $aALVES, R. M. de O.
245 $aArquitetura do ninho e aspectos bioecologicos de Trigona fulviventris fulviventris fulviventris Guerin, 1853, (Hymenoptera$bApidae).
260 $c2003
653 $aAbelha
653 $aApicultura
653 $aApoidea
653 $aMeliponinae
653 $aTrigonini
700 1 $aCARVALHO, C. A. L. de
700 1 $aSOUZA, B. de A.
773 $tMagistra, Cruz das Almas$gv. 15, n.1, Especial, p. 97-101, jan./jun. 2003.
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
02/10/2013 |
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Data da última atualização: |
02/10/2013 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - B |
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Autoria: |
COMIN, J. J.; LOSS, A.; VEIGA, M.; GUARDINI, R.; SCHMITT, D. E.; OLIVEIRA, P. A. V.; BELLI FILHO, P.; COUTO, R. R.; BENEDET, L.; MÜLLER JÚNIOR, V.; BRUNETTO, G. |
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Título: |
Physical properties and organic carbon content of a Typic Hapludult soil fertilised with pig slurry and pig litter in a no-tillage system. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Soil Research, Collingwood, v. 55, n. 5, p. 459-470, 2013. |
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Idioma: |
Português |
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Conteúdo: |
Applications of swine residues to the soil surface in a no-tillage system (NTS) may increase the organic carbon level and improve the physical properties of the soil. This study aimed to evaluate the effect of the continuous application of pig slurry (PS) and pig litter (PL) on the total organic carbon (TOC) content and physical properties of soil under NTS in Southern Brazil. In March 2010, after 8 years of cultivation of black oats (Avena strigosa)?maize (Zea mays), soil samples were collected in the 0?5, 5?10, 10?15, and 15?20 cm layers. The treatments consisted of a control plot (without manure application), plots with PS applications equivalent to one and two times the recommended rate of nitrogen (N) for maize and black oats (PS1X and PS2X, respectively), and plots with PL equivalent to one and two times the recommended rate of N for maize and black oats (PL1X and PL2X, respectively). The TOC, soil bulk density (BD), penetration resistance (PR), total porosity (TP), macro- and microporosity, distribution of pore diameters, and indices of aggregation and aggregate stability were evaluated. Differences were found between treatments for TOC, BD, macro- and microporosity, pore diameter, aggregation, and PR. Treatment with PL favoured the production of aggregates (diameter >4 mm) and increased the rates of aggregation and aggregate stability in the 10?15 and 15?20 cm layers and macroporosity in the 0?5 and 15?20 cm layers. Application of PL2X reduced PR by 34% and 20%, respectively, in the 5?10 and 10?15 cm layers. Eight years of adding PS to successive cultivations of black oats?maize soil managed under NTS produced no changes in the physical features or the TOC of the soil, whereas the application of PL produced improvements in physical attributes of the soil and increased soil TOC. MenosApplications of swine residues to the soil surface in a no-tillage system (NTS) may increase the organic carbon level and improve the physical properties of the soil. This study aimed to evaluate the effect of the continuous application of pig slurry (PS) and pig litter (PL) on the total organic carbon (TOC) content and physical properties of soil under NTS in Southern Brazil. In March 2010, after 8 years of cultivation of black oats (Avena strigosa)?maize (Zea mays), soil samples were collected in the 0?5, 5?10, 10?15, and 15?20 cm layers. The treatments consisted of a control plot (without manure application), plots with PS applications equivalent to one and two times the recommended rate of nitrogen (N) for maize and black oats (PS1X and PS2X, respectively), and plots with PL equivalent to one and two times the recommended rate of N for maize and black oats (PL1X and PL2X, respectively). The TOC, soil bulk density (BD), penetration resistance (PR), total porosity (TP), macro- and microporosity, distribution of pore diameters, and indices of aggregation and aggregate stability were evaluated. Differences were found between treatments for TOC, BD, macro- and microporosity, pore diameter, aggregation, and PR. Treatment with PL favoured the production of aggregates (diameter >4 mm) and increased the rates of aggregation and aggregate stability in the 10?15 and 15?20 cm layers and macroporosity in the 0?5 and 15?20 cm layers. Application of PL2X reduced PR by 34% and 20%, resp... Mostrar Tudo |
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Palavras-Chave: |
Aggregation; Organic fertilisation; Penetration resistance; Porosity. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02690naa a2200289 a 4500
001 1119233
005 2013-10-02
008 2013 bl uuuu u00u1 u #d
100 1 $aCOMIN, J. J.
245 $aPhysical properties and organic carbon content of a Typic Hapludult soil fertilised with pig slurry and pig litter in a no-tillage system.$h[electronic resource]
260 $c2013
520 $aApplications of swine residues to the soil surface in a no-tillage system (NTS) may increase the organic carbon level and improve the physical properties of the soil. This study aimed to evaluate the effect of the continuous application of pig slurry (PS) and pig litter (PL) on the total organic carbon (TOC) content and physical properties of soil under NTS in Southern Brazil. In March 2010, after 8 years of cultivation of black oats (Avena strigosa)?maize (Zea mays), soil samples were collected in the 0?5, 5?10, 10?15, and 15?20 cm layers. The treatments consisted of a control plot (without manure application), plots with PS applications equivalent to one and two times the recommended rate of nitrogen (N) for maize and black oats (PS1X and PS2X, respectively), and plots with PL equivalent to one and two times the recommended rate of N for maize and black oats (PL1X and PL2X, respectively). The TOC, soil bulk density (BD), penetration resistance (PR), total porosity (TP), macro- and microporosity, distribution of pore diameters, and indices of aggregation and aggregate stability were evaluated. Differences were found between treatments for TOC, BD, macro- and microporosity, pore diameter, aggregation, and PR. Treatment with PL favoured the production of aggregates (diameter >4 mm) and increased the rates of aggregation and aggregate stability in the 10?15 and 15?20 cm layers and macroporosity in the 0?5 and 15?20 cm layers. Application of PL2X reduced PR by 34% and 20%, respectively, in the 5?10 and 10?15 cm layers. Eight years of adding PS to successive cultivations of black oats?maize soil managed under NTS produced no changes in the physical features or the TOC of the soil, whereas the application of PL produced improvements in physical attributes of the soil and increased soil TOC.
653 $aAggregation
653 $aOrganic fertilisation
653 $aPenetration resistance
653 $aPorosity
700 1 $aLOSS, A.
700 1 $aVEIGA, M.
700 1 $aGUARDINI, R.
700 1 $aSCHMITT, D. E.
700 1 $aOLIVEIRA, P. A. V.
700 1 $aBELLI FILHO, P.
700 1 $aCOUTO, R. R.
700 1 $aBENEDET, L.
700 1 $aMÜLLER JÚNIOR, V.
700 1 $aBRUNETTO, G.
773 $tSoil Research, Collingwood$gv. 55, n. 5, p. 459-470, 2013.
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