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Provedor de dados:  63
País:  Brazil
Título:  Soil microbial biomass under mulch types in an integrated apple orchard from Southern Brazil
Autores:  Almeida,Denice de Oliveira
Klauberg Filho,Osmar
Almeida,Henrique Cesar
Gebler,Luciano
Felipe,Aline Franciane
Data:  2011-04-01
Ano:  2011
Palavras-chave:  Microbial carbon
Soil cover
Microbial compartments
Microorganisms
Organic mulch
Resumo:  The use of mulching is an alternative to control weeds but there are few studies on its effect on soil quality. In this sense, this study aimed to evaluate the effect of types of mulching on the attributes of microbial carbon, nitrogen and phosphorus in a Typic Hapludox with production of integrated apples in southern Brazil. The experiment was conducted in randomized blocks in the Vacaria, state of Rio Grande do Sul, southern Brazil. The soil mulch types studied were: pine needle, sawdust, black plastic and a control. The soil samples were collected in February (summer) and August (winter) of 2006, and the attributes related to total organic and microbial carbon, nitrogen and phosphorus were determined. Organic mulchings (pine needle and sawdust) promoted lower soil temperature, and greater moisture, microbial carbon (Cmic), microbial nitrogen (Nmic), and the ratios Cmic:Corg, Nmic:Norg and microbial C:N than black plastic. Microbial phosphorus was greater in winter. Sawdust mulching promoted the best conditions to microbial biomass in winter. The mulch types increased the microbial compartment in winter as compared to the nonweeded control .
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162011000200012
Editor:  São Paulo - Escola Superior de Agricultura "Luiz de Queiroz"
Relação:  10.1590/S0103-90162011000200012
Formato:  text/html
Fonte:  Scientia Agricola v.68 n.2 2011
Direitos:  info:eu-repo/semantics/openAccess
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