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Provedor de dados:  Repositório Alice
País:  Brazil
Título:  Effects of soil management systems on soil microbial activity, bulk density and chemical properties.
Autores:  VALPASSOS, M.A.R.
CAVALCANTE, E.G.S.
CASSIOLATO, A.M.R.
ALVES, M.C.
Data:  2002-01-04
Ano:  2001
Palavras-chave:  Soil chemicophysical properties
Biomass
Soil deterioration
Soil conservation
Propriedades físico-químicas do solo
Biomassa
Degradação do solo
Conservação do solo
Resumo:  The objective of this experiment was to study the effects of soil management systems on the bulk density, chemical soil properties, and on the soil microbial activity on a Latossolo Vermelho distrófico (Oxisol). Soil samples were collected from plots under the following management conditions: a) natural dense "cerrado" vegetation (savanna); b) degraded Brachiaria decumbens pasture, 20 years old; c) no-tillage treatment with annual crop sequence (bean, corn, soybean and dark-oat in continuous rotation), 8 years old; d) conventional tillage treatment with crop residues added to the soil, and annual crop sequence, 10 years old. The continuous use of no-tillage system resulted in an increase in microbial biomass and decrease in soil basal respiration, therefore displaying evident long-term effects on the increase of soil C content. The no-tillage system also provided an improvement in bulk density and chemical properties of the soil. Hence, the no-tillage management system could be an alternative for the conservation and maintenance of physical and chemical conditions and the productive potential of "cerrado" soils.

2001
Tipo:  Artigo em periódico indexado (ALICE)
Idioma:  Inglês
Identificador:  21006

http://www.alice.cnptia.embrapa.br/handle/doc/105912

http://ainfo.cnptia.embrapa.br/digital/bitstream/AI-SEDE/21006/1/1539.pdf
Editor:  Pesquisa Agropecuária Brasileira, Brasília, v.36, nº 12, p. 1539-1545, dez. 2001.
Relação:  Área de Informação da Sede - Artigo em periódico indexado (ALICE)
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