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Resistência induzida por elicitores e proteção de videira contra míldio
(Universidade Federal de Santa Maria, 2015-02-27)
The grapevine is a fruit that has significant importance in the world economic sector and several factors may compromise its development and especially productivity, including pathogen attack. The disease known as downy ...
Previsão de safra de arroz no estado do Rio Grande do Sul através de modelagem numérica
(Universidade Federal de Santa Maria, 2015-02-19)
The objective of this study was to define a methodology for monitoring a flooded rice crop forecast for Rio Grande do Sul, and to evaluate the effect of the flood time on growth, development and rice productivity. Two ...
Suscetibilidade magnética na estimativa de atributos do solo e identificação de compartimentos da paisagem em latossolos de basalto no planalto do RS
(Universidade Federal de Santa Maria, 2015-02-25)
The variability of soil attributes is related to environmental factors affecting soil formation processes. Different techniques have been employed to map this variability, among these techniques, the reading of the magnetic ...
Predição da mineralização de nitrogênio pelo método Direct Steam Distillation (DSD) em solos aptos ao cultivo de arroz irrigado
(Universidade Federal de Santa Maria, 2015-02-25)
Nitrogen (N) fertilization management in the states of Rio Grande do Sul (RS) and Santa Catarina (SC), Brazil, is performed using interpretation tables of soil organic matter (SOM) in which we obtain the interpretation ...
Determinação da acidez potencial de solos pela titulação direta
(Universidade Federal de Santa Maria, 2015-04-23)
The calibration of the solution SMP or the solution TSM for their use to estimate the soil potential acidity (H+Al) uses the direct soil titration by incubation with calcium carbonate for a period of 180 days, which makes ...
Dinâmica do fósforo de sedimentos oriundos de bacia hidrográfica subtropical compoluição rural e urbana
(Universidade Federal de Santa Maria, 2015-11-23)
Areas at steep slopes in the catchments with high occupation by family farmers in Southern Brazil, even with a high surface covered with regenerated forests, are characterized by the persistence of sources of rural and ...
Estratégias para descompactação do solo por escarificação e hastes sulcadoras em sistema plantio direto
(Universidade Federal de Santa Maria, 2015-03-16)
In areas managed under no-till in southern Brazil the soil compaction process has been associated with structural degradation of subsurface soil layer, visible by changes in soil physical properties, morphological changes ...
Propriedades mecânicas em micro e mesoescala de solos do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2015-03-06)
Susceptibility to soil degradation is a function of disturbance intensity and structure resistance, which is usually described by mesoscale properties. However, soil mechanical strength in the microscale (micromechanical) ...
Fontes orgânicas e Mineral: produção de culturas, alteração nos atributos químicos do solo e transferência de formas de nitrogênio e de fósforo
(Universidade Federal de Santa Maria, 2015-03-30)
The pig slurry, pig deep-litter and cattle slurry applied in soils under no-tillage can serve as a source of nutrients for crops, increasing the production of dry matter of shoots and grain production. This is because, ...
Efeito da sazonalidade e do nível tecnológico de unidades produtoras na qualidade e potencialidade nutracêutica do leite bovino
(Universidade Federal de Santa Maria, 2015-12-16)
The effect of technological levels of production systems and seasons in the microbiological (somatic cell count and total bacterial count) and chemical quality of milk (fat, protein, nutraceutical potentiality in relation ...