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Provedor de dados:  Scientia Agricola
País:  Brazil
Título:  Langstroth hive construction with cement-vermiculite
Autores:  Lorenzon,Maria Cristina Affonso
Cidreira,Rodolfo Gonçalves
Rodrigues,Edmundo Henrique Ventura
Dornelles,Milton Sérgio
Pereira Jr,Geraldo
Data:  2004-12-01
Ano:  2004
Palavras-chave:  Apis mellifera
Mineral
Beekeeping
Insulating material
Resumo:  Exfoliated vermiculite is a light-weight and cheap product that, because of its thermal resistance, has become a valuable insulating material. With regard to its use in beekeeping, this research tested whether the box for honey bees constructed with cement-vermiculite mortar (CVM) presents physical characteristics similar to those of wood. The experiment was carried out at Seropédica, RJ, Brazil, for eight months. The cement-vermiculite mortar was compared with a control material (pinewood), in the construction of Langstroth boxes and boards, in a completely randomized design, with respect to thermal control, thermal conductivity and its capacity to absorb and lose water. The production cost for a CVM box was estimated. There were no internal temperature differences between CVM and wooden boxes. Thermal conductivity values for CVM and pinewood were similar. CVM absorbed more water and lost water faster than pinewood. Since CVM boxes can be easily constructed, at a low cost and with similar characteristics as traditional boxes, made of wood, the material can be recommended for use in non-migratory beekeeping.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162004000600002
Editor:  São Paulo - Escola Superior de Agricultura "Luiz de Queiroz"
Relação:  10.1590/S0103-90162004000600002
Formato:  text/html
Fonte:  Scientia Agricola v.61 n.6 2004
Direitos:  info:eu-repo/semantics/openAccess
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