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Dinâmica do arsênio no sistema solo - água - arroz na América do Sul: distinções fisiológicas entre cultivares e ocorrência em grãos comerciais
(Universidade Federal de Santa Maria, 2016-02-29)
Rice is the main source of inorganic arsenic (Asi), a carcinogenic substance, in the human diet. In this sense, there is great interest in reducing the accumulation of As in rice grains. To achive this, field management / ...
Silício no manejo pré e pós-colheita da podridão parda (monilinia fructicola) no pessegueiro
(Universidade Federal de Santa Maria, 2016-02-24)
Brown rot is the main diseases of peaches, with pre and postharvest losses. Control it is difficult because the fungus infect fruit and remain latent until conditions are favorable to its manifestation. Therefore, to ...
Macroinvertebrados bentônicos em lavoura de arroz irrigado sob efeito de fungicidas e inseticidas
(Universidade Federal de Santa Maria, 2016-02-29)
The irrigated rice crop has economic and social importance for the state of Rio Grande do Sul. It is considered an environment rich in biological diversity, it is home for a range of animal communities, especially ...
Retenção de inseticida e fungicida em sementes de arroz com o uso de polímeros
(Universidade Federal de Santa Maria, 2016-05-04)
The following dissertation has been developed into two chapters: chapter I aimed to evaluate the physiological and sanitary quality of rice seeds treated with fungicide and insecticide coated with polymers, as well as ...
Eficiência nutricional ao fósforo de clones de batata
(Universidade Federal de Santa Maria, 2016-02-26)
The potato plant is highly demanding regarding the presence of phosphorus (P) readily
available in soil solution. To achieve high yields of tubers, large applications of phosphate
fertilizers are made, which consequently ...
Testes de multicolinearidade em variáveis morfológicas e produtivas de tomateiro
(Universidade Federal de Santa Maria, 2016-01-15)
This work presents a comparative study of multicollinearity identification methodologies in multivariate analyzes. Multicollinearity is caused by intense linear relationship between the study variables and can interfere ...
Sistemas de implantação de soja em áreas de arroz irrigado e efeitos em atributos físicos do solo e em características agronômicas e fisiológicas da planta
(Universidade Federal de Santa Maria, 2016-07-16)
The lowland areas are predominantly cultivated with irrigated rice. However, the monoculture of rice can to complicate the use of these areas for rice crop. An alternative to this is the use of crop rotation. The crop that ...
Componentes de produtividade de grãos e de atividade enzimática na cultura do milho inoculado com azospirillum brasilense em tratamento de sementes e aplicação foliar
(Universidade Federal de Santa Maria, 2016-07-26)
Nitrogen (N) is the nutrient that has the greatest ability to influence and increase the productivity of
grains of corn. The N is available in insufficient amounts in Brazilian soils, increasing the cost of crop
production. ...
Emissões de amônia e óxido nitroso após aplicação de dejetos de bovinos na semeadura e ureia em cobertura na sucessão trigo/milho em plantio direto
(Universidade Federal de Santa Maria, 2016-11-25)
The application of dairy slurry (DS) to the soil surface in no-till can result in the ammonia (NH3) and nitrous oxide (N2O) emission to atmosphere, with negative repercussions both agronomical and environmentally. The ...
Tamanho de parcela e número de repetições em aveia branca
(Universidade Federal de Santa Maria, 2016-12-16)
The study aimed to determine the optimum plot size (Xo) and the number of repetitions to evaluate fresh mass (FM), dry matter (DM) and grain yield (PROD) of oat and check the variability of Xo between cultivars and sowing ...