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Redistribuição de sedimentos em encostas por meio do C total e do isótopo 13C
(Universidade Federal de Santa Maria, 2017-07-17)
High intensity of rains, associated with inadequate management in agricultural areas, have been caused loss of large volumes of soil by erosion, leading the sediments and nutrients to the hydric sources. The loss of sediments ...
Medição e simulação da temperatura e conteúdo de água em argissolo sob resíduos de aveia
(Universidade Federal de Santa Maria, 2017-01-27)
This research was conducted with the objective of studying the dynamics of soil temperature and water content as a function of the different amounts of black oat residue (Avena sativa Schreb.) in the soil cover, through ...
Genotoxicidade, atividade proliferativa e análise fitoquímica dos extratos aquosos e do óleo de Origanum majorana L.
(Universidade Federal de Santa Maria, 2017-03-03)
Medicinal plants are culturally used by the Brazilian population in curing and treating diseases and the fact that Brazil is rich in biodiversity favors this practice. Among the medicinal plants used are the marjoram ...
Aspectos morfológicos e ecológicos da ginodioicia em Dasyphyllum brasiliense (spreng.) Cabrera (Barnadesioideae, Asteraceae)
(Universidade Federal de Santa Maria, 2017)
Dasyphyllum brasiliense has two sexual systems: monoecious and gynodioecious, being the studied population characterized as gynodioecy, constituted by complete and pistilated individuals. The evolution of this system depends ...
Guardiões da agrobiodiversidade crioula de Tentente Portela (RS) sonhos e trajetorias
(Universidade Federal de Santa Maria, 2017-07-17)
Esta disertación tiene por objetivo evidenciar la identidad y la importancia de los Guardianes de la
agrobiodiversidad, y desvelar dos puntos importantes con relación al trabajo de rescate de la misma, que
son la relación ...
Amenizante orgânico e micorrizas arbusculares em mudas de eucalipto cultivadas em solo contaminado com cobre
(Universidade Federal de Santa Maria, 2017-07-28)
Anthropogenic activities have elevated copper levels in the soil making this chemical element toxic to plants. The use of plants associated or not with microorganisms, in addition to organic compounds with the purpose of ...
Morfologia e componentes produtivos da soja em arranjos de plantas
(Universidade Federal de Santa Maria, 2017-07-28)
The objective of this project was to characterize the growth, development and productivity of two soybean cultivars of different growth habits in different spatial arrangements of plants and to determine a minimum leaf ...
Volatilização de amônia dos dejetos líquidos de suínos aplicados em plantio direto: quantificação e estratégias de mitigação
(Universidade Federal de Santa Maria, 2017-07-31)
Ammonia volatilization is the primary cause of nitrogen loss from liquid pig slurry (PS). To measure this physical-chemical process and establish strategies for its mitigation is crucial to decrease environmental and ...
Herbicidas imidazolinonas: fitotoxicidade em arroz tolerante, azevém na entressafra e efeito do resíduo em soja
(Universidade Federal de Santa Maria, 2017-09-22)
The Clearfield® system of rice was developed as a control alternative of weeds in this crop, mainly weedy rice. Currently there are several rice varieties tolerant to herbicides of imidazolinones chemical group. The responses ...
Carbono-¹³C de raízes e parte aérea de culturas de verão em frações físicas da matéria orgânica de dois solos de várzea
(Universidade Federal de Santa Maria, 2017-07-31)
Crop diversification in lowland areas in Rio Grande do Sul is incorporating sorghum (Sorghum bicolor) and soybean (Glycine max) into rotation system with irrigated rice (Oryza sativa). Little is known about the impact of ...