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Registro Completo |
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
27/04/2009 |
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Data da última atualização: |
28/04/2009 |
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Autoria: |
GALVANI, D. B.; PIRES, C.C.; OLIVEIRA, F. de; WOMMER, T. P.; JOCHIMS, F. |
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Título: |
Crescimento alométrico dos componentes da carcaça de cordeiros Texel x Ile de France confinados do desmame aos 35kg de peso vivo. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
Ciência Rural, Santa Maria, v.38, n.9, p.2574-2578, dez. 2008. |
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Idioma: |
Português |
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Palavras-Chave: |
Alometria; Corte ovino; Crescimento; Gordura; Músculo; Osso. |
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Categoria do assunto: |
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Marc: |
LEADER 00672naa a2200229 a 4500
001 1062984
005 2009-04-28
008 2008 bl uuuu u00u1 u #d
100 1 $aGALVANI, D. B.
245 $aCrescimento alométrico dos componentes da carcaça de cordeiros Texel x Ile de France confinados do desmame aos 35kg de peso vivo.
260 $c2008
653 $aAlometria
653 $aCorte ovino
653 $aCrescimento
653 $aGordura
653 $aMúsculo
653 $aOsso
700 1 $aPIRES, C.C.
700 1 $aOLIVEIRA, F. de
700 1 $aWOMMER, T. P.
700 1 $aJOCHIMS, F.
773 $tCiência Rural, Santa Maria$gv.38, n.9, p.2574-2578, dez. 2008.
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
23/11/2018 |
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Data da última atualização: |
23/11/2018 |
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Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
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Autoria: |
FERREIRA, L. B.; LOSS, A.; GIUMBELLI, L. D.; VENTURA, B. S.; SOUZA, M.; MAFRA, Á. L.; KURTZ, C.; COMIN, J. J.; BRUNETTO, G. |
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Título: |
Organic carbon and nitrogen contents and their fractions in soils with onion crops in different management systems. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Soil Reserch, Clayton South, Australia, p. 1-10, 2018. |
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Idioma: |
Inglês |
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Conteúdo: |
The use of plant species in rotation or succession of crops can increase C and N contents and their fractions
in the soil. The objective of this study was to evaluate the effect of using soil cover crops in succession and rotation with
onion crops in different soil management systems on the total organic carbon (TOC), total nitrogen (TN), and C and N
fractions in soil aggregates, and bulk soil. The experiment was implemented in April 2007 with eight treatments:
succession of onion and maize in a no-tillage system (NTS) (T1); rotation of soil cover crops (winter) and biennial onion
in a NTS (T2); rotation of maize, winter grasses, and onion in a NTS (T3); succession of summer legume and annual onion
in a NTS (T4); rotation of summer grass, winter grasses, and annual onion in a NTS (T5); succession of summer legume,
winter grass, and annual onion in a NTS (T6); succession of maize and onion in a conventional tillage system (CTS) (T7);
and succession of intercrops of soil cover crops (summer), and annual onion in a NTS (T8). Undisturbed soil samples
were collected in the 0.0?5.0, 5.0?10.0, and 10.0?20.0 cm soil layers in July 2014, and their aggregate (8.0 to 2.0 mm)
and bulk soil (<2 mm) fractions were separated to evaluate their TOC, TN, particulate organic carbon and particulate
organic nitrogen (OCP and ONP respectively), and mineral-associated organic carbon and mineral-associated organic
nitrogen (OCM and ONM respectively). Soil turning due to the CTS in T7 (0.0?5.0 cm) reduced TOC, OCP, OCM, TN,
ONP, and ONM, in the soil aggregates and in the bulk soil, when compared with the NTS with the use of soil cover crops
in succession or rotation with onion crops (T1?T6 and T8). T6 increased the TOC, TN, OCP, OCM, ONP, and ONM
contents in the soil aggregates and bulk soil when compared with the successions with only grasses or only legumes.
T1 increased the soil TOC and TN contents in aggregates compared with the same succession in CTS. T8 had higher
OCP (0.0?20.0 cm) and ONP (5.0?10.0 cm) contents in aggregates than in the bulk soil. In general, aggregates had higher
TOC and OCM contents, and bulk soil had higher TN, OCP, ONP and ONM contents. The main changes resulting from
the management systems and soil cover crop combinations used were observed in the particulate fraction, especially in
the soil aggregates. MenosThe use of plant species in rotation or succession of crops can increase C and N contents and their fractions
in the soil. The objective of this study was to evaluate the effect of using soil cover crops in succession and rotation with
onion crops in different soil management systems on the total organic carbon (TOC), total nitrogen (TN), and C and N
fractions in soil aggregates, and bulk soil. The experiment was implemented in April 2007 with eight treatments:
succession of onion and maize in a no-tillage system (NTS) (T1); rotation of soil cover crops (winter) and biennial onion
in a NTS (T2); rotation of maize, winter grasses, and onion in a NTS (T3); succession of summer legume and annual onion
in a NTS (T4); rotation of summer grass, winter grasses, and annual onion in a NTS (T5); succession of summer legume,
winter grass, and annual onion in a NTS (T6); succession of maize and onion in a conventional tillage system (CTS) (T7);
and succession of intercrops of soil cover crops (summer), and annual onion in a NTS (T8). Undisturbed soil samples
were collected in the 0.0?5.0, 5.0?10.0, and 10.0?20.0 cm soil layers in July 2014, and their aggregate (8.0 to 2.0 mm)
and bulk soil (<2 mm) fractions were separated to evaluate their TOC, TN, particulate organic carbon and particulate
organic nitrogen (OCP and ONP respectively), and mineral-associated organic carbon and mineral-associated organic
nitrogen (OCM and ONM respectively). Soil turning due to the CTS in T7 (0.0?5.0 cm) r... Mostrar Tudo |
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Palavras-Chave: |
Allium cepa L; bulk soil; green manure; no-tillage system; soil aggregates; vegetable. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 03174naa a2200289 a 4500
001 1127996
005 2018-11-23
008 2018 bl uuuu u00u1 u #d
100 1 $aFERREIRA, L. B.
245 $aOrganic carbon and nitrogen contents and their fractions in soils with onion crops in different management systems.$h[electronic resource]
260 $c2018
520 $aThe use of plant species in rotation or succession of crops can increase C and N contents and their fractions in the soil. The objective of this study was to evaluate the effect of using soil cover crops in succession and rotation with onion crops in different soil management systems on the total organic carbon (TOC), total nitrogen (TN), and C and N fractions in soil aggregates, and bulk soil. The experiment was implemented in April 2007 with eight treatments: succession of onion and maize in a no-tillage system (NTS) (T1); rotation of soil cover crops (winter) and biennial onion in a NTS (T2); rotation of maize, winter grasses, and onion in a NTS (T3); succession of summer legume and annual onion in a NTS (T4); rotation of summer grass, winter grasses, and annual onion in a NTS (T5); succession of summer legume, winter grass, and annual onion in a NTS (T6); succession of maize and onion in a conventional tillage system (CTS) (T7); and succession of intercrops of soil cover crops (summer), and annual onion in a NTS (T8). Undisturbed soil samples were collected in the 0.0?5.0, 5.0?10.0, and 10.0?20.0 cm soil layers in July 2014, and their aggregate (8.0 to 2.0 mm) and bulk soil (<2 mm) fractions were separated to evaluate their TOC, TN, particulate organic carbon and particulate organic nitrogen (OCP and ONP respectively), and mineral-associated organic carbon and mineral-associated organic nitrogen (OCM and ONM respectively). Soil turning due to the CTS in T7 (0.0?5.0 cm) reduced TOC, OCP, OCM, TN, ONP, and ONM, in the soil aggregates and in the bulk soil, when compared with the NTS with the use of soil cover crops in succession or rotation with onion crops (T1?T6 and T8). T6 increased the TOC, TN, OCP, OCM, ONP, and ONM contents in the soil aggregates and bulk soil when compared with the successions with only grasses or only legumes. T1 increased the soil TOC and TN contents in aggregates compared with the same succession in CTS. T8 had higher OCP (0.0?20.0 cm) and ONP (5.0?10.0 cm) contents in aggregates than in the bulk soil. In general, aggregates had higher TOC and OCM contents, and bulk soil had higher TN, OCP, ONP and ONM contents. The main changes resulting from the management systems and soil cover crop combinations used were observed in the particulate fraction, especially in the soil aggregates.
653 $aAllium cepa L
653 $abulk soil
653 $agreen manure
653 $ano-tillage system
653 $asoil aggregates
653 $avegetable
700 1 $aLOSS, A.
700 1 $aGIUMBELLI, L. D.
700 1 $aVENTURA, B. S.
700 1 $aSOUZA, M.
700 1 $aMAFRA, Á. L.
700 1 $aKURTZ, C.
700 1 $aCOMIN, J. J.
700 1 $aBRUNETTO, G.
773 $tSoil Reserch, Clayton South, Australia, p. 1-10, 2018.
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