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Toxidez de alumínio em genótipos de Pfaffia glomerata (Spreng.) Pedersen e Pfaffia tuberosa (Spreng.) Hicken
(Universidade Federal de Santa Maria, 2008-02-22)
Al toxicity, especially in acid soils, is a determinant factor of lower productivity for
several cultures and, although some studies have been developed to elucidate this problem,
studies on medicinal plants are extremely ...
Preparo do solo e crescimento de Eucalyptus grandis Hill ex Maiden. em argissolo
(Universidade Federal de Santa Maria, 2008-02-29)
The Eucalyptus plantation is growing fast in south Brazil due its easy clime adaptation and diverse use of its wood. The ecosystems where the expansion is going on are fragile to anthropic action implying in a need of ...
Crescimento e produção de Pinus taeda L. na região dos Campos de Cima da Serra, Rio Grande do Sul.
(Universidade Federal de Santa Maria, 2008-08-26)
This thesis was carried through as objective to study the growth and the yield of a stand of Pinus taeda L., implanted in 1987, in an initial spacing of 3 x 2
meters, located in the Farming Farm of the Ipê Ltda, in the ...
Relações biométricas em povoamentos jovens de Pinus taeda L. na Província de Corrientes, República Argentina
(Universidade Federal de Santa Maria, 2008-07-18)
This study has as objective to study the biometrical relationships in a Pinus taeda L.,
young forest located in Santo Tomé region, Corrientes, Argentina, belonging to
Bosques del Plata S.A. company. The data were collected ...
Efeito do cloreto de sódio na dieta, dureza e ph da água na sobrevivência, crescimento e fluxos iônicos de juvenis de jundiá (Rhamdia quelen)
(Universidade Federal de Santa Maria, 2008-04-22)
The purpose of this study was to verify the effect of dietary salt (NaCl) supplementation, water hardness and pH on growth, survival and ionoregulation of silver catfish (Rhamdia quelen) juveniles. In the first experiment, ...
Avaliação bioquímica-fisiológica de clones de batata em relação ao alumínio
(Universidade Federal de Santa Maria, 2008-04-11)
Aluminum (Al) is the most abundant metal in the earth s crust, affecting thegrowth and development of plants. The objective of this work was to investigate and compare biochemical and physiological responses of potato ...
Respostas fisiológicas e bioquímicas de duas cultivares de batata (solanum tuberosum l.) expostas ao cádmio
(Universidade Federal de Santa Maria, 2008-02-21)
In much agricultural farmland, cadmium (Cd) concentrations are above the natural levels mainly due to anthropogenic actions such as metal liberation from industrial and agricultural sources. Therefore, it is necessary to ...