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Itens para a visualização no momento 31-40 of 42
Efeitos biológicos e econômicos de tratamentos silviculturais em plantios de Pinus taeda L. no Nordeste Argentino
(Universidade Federal de Santa Maria, 2011-03-18)
The aim of this thesis was to study the effect of pre-commercial thinning and pruning on growth, yield, wood quality and economic results, on a 15th year old stand of Pinus taeda L. in the Argentinean northeast. The study ...
Tratamento de sementes de alface, milho, soja e feijão com os elementos terras raras cério e lantânio
(Universidade Federal de Santa Maria, 2009-02-28)
Rare earth elements, or lanthanides, are commonly applied to plants at Chinese agriculture, as fertilizers. Brazil doesn t have any appointment of it utilization in agriculture. Experiments were conduced to evaluate effects ...
Parâmetros fenométricos e qualidade da erva-mate em função do sombreamento, vento e cobertura vegetal do solo
(Universidade Federal de Santa Maria, 2015-02-27)
The herb mate is a Brazilian tree species from the South and Midwestern of Brazil. The quality of its product is determine by its answers to ecophysiological stress, since it is a climax plant which natural habitat is a ...
Oleo essencial de Nectandra grandiflora na dieta de jundiá (Rhamdia quelen) antes e depois da hipóxia: estresse oxidativo e desempenho zootécnico
(Universidade Federal de Santa Maria, 2021-02-12)
In the current scenario, the use of prophylactics based on natural products has been
growing due to their biodegradable potential and lower risk of toxicity to animals and
the environment. Studies prove that ...
Relação entre variáveis de crescimento e o Índice de Qualidade de Dickson em mudas de Eucalyptus grandis W. Hill ex Maid e Pinus elliottii var. elliottii - Engelm
(Universidade Federal de Santa Maria, 2007-02-28)
The present work had for objective to verify the relation between growth variability and the interference Dickson Quality Index, to verify the efficiency relation of this /index in the quality indication on seedlings and ...
Avaliação do crescimento inicial de oliveira "Arbequina" em diferentes manejos do solo e dosagens de fósforo
(Universidade Federal de Santa Maria, 2011-02-18)
In the global context, Brazil ranks among the largest importers of olive products, not having a significant agricultural production to meet domestic market. The olive tree, a tree species considered to longevity also helps ...
Produção de jundiá (Rhamdia quelen) alimentados com dietas contendo óleos de arroz, canola ou soja
(Universidade Federal de Santa Maria, 2006-02-17)
This work had for objectives to evaluate the influence of vegetable oils in the corporal development of jundiá (Rhamdia quelen, Heptapteridae) and its relationship with the quality of the fish. Six diets were tested with ...
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 ...