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Itens para a visualização no momento 31-40 of 45
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 ...
Produção de mudas e crescimento inicial a campo de Cordia trichotoma submetidas a diferentes condições de irrigação, polímero hidroretentor, sombreamento e umidade do solo
(Universidade Federal de Santa Maria, 2015-12-18)
Cordia trichotoma (Vell.) Arrab. ex Steud. species of the Boraginaceae family is considered a priority for logging native tree plantations in southern Brazil, in addition to have an important hole in environmental restoration ...
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 ...
Crescimento da Araucaria angustifolia (Bertol.) Kuntze diferenciado por dioicia
(Universidade Federal de Santa Maria, 2007-07-24)
This study was conducted at São Francisco de Paula National Forest, Rio Grande do Sul, Brazil, in Araucaria angustifolia (Bertol.) Kuntze implanted stands, aiming to study the
growth periodicity from male and female trees ...
Sobrevivência, crescimento, parâmetros metabólicos e enzimáticos em jundiás (Rhamdia quelen) expostos ao cobre
(Universidade Federal de Santa Maria, 2006-12-13)
The aim of this study was to determine the mean lethal concentration (96 h) for waterborne copper (LC50), as well as the effect of the exposure to copper on growth, metabolic parameters (glycogen, glucose, lactate, and ...
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 ...