Carbon Stocks in Compartments of Soil Organic Matter 31 Years after Substitution of Native Cerrado Vegetation by Agroecosystems.
ABSTRACT: Changes in carbon stocks in different compartments of soil organic matter of a clayey Latossolo Vermelho Distrófico (Typic Haplustox), caused by the substitution of native savanna vegetation (cerrado sensu stricto) by agroecosystems, were assessed after 31 years of cultivation. Under native vegetation, a stock of 164.5 Mg ha-1 C was estimated in the 0.00-1.00 m layer. After 31 years of cultivation, these changes in soil C stocks were detected to a depth of 0.60 m. In the case of substitution of cerrado sensu stricto by no-tillage soybean-corn rotation, a reduction of at least 11 % of the soil C pools was observed. However, the adoption of no-tillage as an alternative to tillage with a moldboard plow (conventional system) reduced CO2 emissions by up to 12 %.
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Format: | Separatas biblioteca |
Language: | English eng |
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2016-08-24
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Subjects: | Preparo convencional, Biomassa microbiana, Matéria orgânica particulada, Plantio direto, Cerrado, Solo, |
Online Access: | http://www.alice.cnptia.embrapa.br/alice/handle/doc/1051538 |
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dig-alice-doc-10515382017-08-16T02:51:29Z Carbon Stocks in Compartments of Soil Organic Matter 31 Years after Substitution of Native Cerrado Vegetation by Agroecosystems. FERREIRA, E. A. B. BUSTAMANTE, M. M. da C. RESCK, D. V. S. FIGUEIREDO, C. C. de PINTO, A. de S. MALAQUIAS, J. V. ELOISA APARECIDA BELLEZA FERREIRA, CPAC; MERCEDES MARIA DA CUNHA BUSTAMANTE, UNB; DIMAS VITAL SIQUEIRA RESCK, CPAC; CÍCERO CÉLIO DE FIGUEIREDO, UNB; ALEXANDRE DE SIQUEIRA PINTO, UFSE; JUACI VITORIA MALAQUIAS, CPAC. Preparo convencional Biomassa microbiana Matéria orgânica particulada Plantio direto Cerrado Solo ABSTRACT: Changes in carbon stocks in different compartments of soil organic matter of a clayey Latossolo Vermelho Distrófico (Typic Haplustox), caused by the substitution of native savanna vegetation (cerrado sensu stricto) by agroecosystems, were assessed after 31 years of cultivation. Under native vegetation, a stock of 164.5 Mg ha-1 C was estimated in the 0.00-1.00 m layer. After 31 years of cultivation, these changes in soil C stocks were detected to a depth of 0.60 m. In the case of substitution of cerrado sensu stricto by no-tillage soybean-corn rotation, a reduction of at least 11 % of the soil C pools was observed. However, the adoption of no-tillage as an alternative to tillage with a moldboard plow (conventional system) reduced CO2 emissions by up to 12 %. 2016-08-24T11:11:11Z 2016-08-24T11:11:11Z 2016-08-24 2016 2016-10-03T11:11:11Z Separatas Revista Brasileira de Ciência do Solo, Viçosa, v. 40, April 2016. http://www.alice.cnptia.embrapa.br/alice/handle/doc/1051538 en eng openAccess |
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Preparo convencional Biomassa microbiana Matéria orgânica particulada Plantio direto Cerrado Solo Preparo convencional Biomassa microbiana Matéria orgânica particulada Plantio direto Cerrado Solo |
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Preparo convencional Biomassa microbiana Matéria orgânica particulada Plantio direto Cerrado Solo Preparo convencional Biomassa microbiana Matéria orgânica particulada Plantio direto Cerrado Solo FERREIRA, E. A. B. BUSTAMANTE, M. M. da C. RESCK, D. V. S. FIGUEIREDO, C. C. de PINTO, A. de S. MALAQUIAS, J. V. Carbon Stocks in Compartments of Soil Organic Matter 31 Years after Substitution of Native Cerrado Vegetation by Agroecosystems. |
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ABSTRACT: Changes in carbon stocks in different compartments of soil organic matter of a clayey Latossolo Vermelho Distrófico (Typic Haplustox), caused by the substitution of native savanna vegetation (cerrado sensu stricto) by agroecosystems, were assessed after 31 years of cultivation. Under native vegetation, a stock of 164.5 Mg ha-1 C was estimated in the 0.00-1.00 m layer. After 31 years of cultivation, these changes in soil C stocks were detected to a depth of 0.60 m. In the case of substitution of cerrado sensu stricto by no-tillage soybean-corn rotation, a reduction of at least 11 % of the soil C pools was observed. However, the adoption of no-tillage as an alternative to tillage with a moldboard plow (conventional system) reduced CO2 emissions by up to 12 %. |
author2 |
ELOISA APARECIDA BELLEZA FERREIRA, CPAC; MERCEDES MARIA DA CUNHA BUSTAMANTE, UNB; DIMAS VITAL SIQUEIRA RESCK, CPAC; CÍCERO CÉLIO DE FIGUEIREDO, UNB; ALEXANDRE DE SIQUEIRA PINTO, UFSE; JUACI VITORIA MALAQUIAS, CPAC. |
author_facet |
ELOISA APARECIDA BELLEZA FERREIRA, CPAC; MERCEDES MARIA DA CUNHA BUSTAMANTE, UNB; DIMAS VITAL SIQUEIRA RESCK, CPAC; CÍCERO CÉLIO DE FIGUEIREDO, UNB; ALEXANDRE DE SIQUEIRA PINTO, UFSE; JUACI VITORIA MALAQUIAS, CPAC. FERREIRA, E. A. B. BUSTAMANTE, M. M. da C. RESCK, D. V. S. FIGUEIREDO, C. C. de PINTO, A. de S. MALAQUIAS, J. V. |
format |
Separatas |
topic_facet |
Preparo convencional Biomassa microbiana Matéria orgânica particulada Plantio direto Cerrado Solo |
author |
FERREIRA, E. A. B. BUSTAMANTE, M. M. da C. RESCK, D. V. S. FIGUEIREDO, C. C. de PINTO, A. de S. MALAQUIAS, J. V. |
author_sort |
FERREIRA, E. A. B. |
title |
Carbon Stocks in Compartments of Soil Organic Matter 31 Years after Substitution of Native Cerrado Vegetation by Agroecosystems. |
title_short |
Carbon Stocks in Compartments of Soil Organic Matter 31 Years after Substitution of Native Cerrado Vegetation by Agroecosystems. |
title_full |
Carbon Stocks in Compartments of Soil Organic Matter 31 Years after Substitution of Native Cerrado Vegetation by Agroecosystems. |
title_fullStr |
Carbon Stocks in Compartments of Soil Organic Matter 31 Years after Substitution of Native Cerrado Vegetation by Agroecosystems. |
title_full_unstemmed |
Carbon Stocks in Compartments of Soil Organic Matter 31 Years after Substitution of Native Cerrado Vegetation by Agroecosystems. |
title_sort |
carbon stocks in compartments of soil organic matter 31 years after substitution of native cerrado vegetation by agroecosystems. |
publishDate |
2016-08-24 |
url |
http://www.alice.cnptia.embrapa.br/alice/handle/doc/1051538 |
work_keys_str_mv |
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