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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 ...
Disponibilidade hídrica e sazonalidade sobre a fitomassa, anatomia foliar e produção de óleo essencial de cidró
(Universidade Federal de Santa Maria, 2019-02-22)
Seasonality and water availability are environmental factors that directly influence the growth, development and production of secondary metabolites in aromatic plants. The objective of the study was to evaluate phytomass ...
Fatores determinantes da modernização agrícola na região sul do Brasil
(Universidade Federal de Santa Maria, 2021-02-10)
Over the years, Brazilian agricultural production has grown and stood out nationally
and internationally due to technological advances and global demand for food.
Brazilian agribusiness is one of the main players and ...
Efeitos do sombreamento na produção de matéria seca, valor nutritivo, morfologia e anatomia de azevém em sistemas agroflorestais
(Universidade Federal de Santa Maria, 2014-03-28)
The objectives of this study were to quantify the meteorological elements in agroforestry system (AFS) and full sun, to analyze the evaluate the leaf area, percentage of leaves and stems, quantify the production of dry ...
Sensibilidade in vitro de plantas de batata ao cádmio
(Universidade Federal de Santa Maria, 2022-02-18)
The potato is the third most important crop for human consumption and the most produced
tuber in the world. With that, there is a huge concern for potato cultivation in soils contaminated
with heavy metals, such as cadmium ...
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 ...
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 ...
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 ...