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Desenvolvimento de pedotransferência física-empírica para Modelagem da retenção de água no solo
(Universidade Federal de Santa Maria, 2016-02-25)
Soil water retention stems from the action of attractive forces manifested by adsorption and capillary
phenomena. Matric potential (ψ) expresses the soil water retention energy, which varies ...
Dinâmica do nitrogênio-15N de palha de arroz, soja e sorgo em dois solos de várzea
(Universidade Federal de Santa Maria, 2016-07-29)
The use of alternative crops to rice (Oryza sativa L.), such as soybean (Glycine Maxl.) and sorghum (Sorghum bicolor L.) in lowland areas changes the chemical characteristics of the straw returned to soil. Straw quality ...
Seleção de linhagens de feijão para produção, acúmulo e eficiência de uso de fósforo na planta
(Universidade Federal de Santa Maria, 2016-09-23)
The use of common bean (Phaseolus vulgaris L.) cultivars efficient and responsive to phosphorus use is important for increase grain yield and reduce production cost. Thus, the objectives of this work were: (1) evaluate the ...
Tamanho da unidade experimental básica e tamanho de parcela para a massa verde de crotalária juncea
(Universidade Federal de Santa Maria, 2016-07-15)
This study aimed to investigate the influence of the basic experimental unit size in the estimate of the plot size to evaluate the fresh matter of aerial part of brown hemp (Crotalaria juncea L.), using three different ...
Atributos físicos e fisiológicos de sementes de aveia preta
(Universidade Federal de Santa Maria, 2016-08-19)
Forage crops practice an important role in animal production in southern Brazil. Among the
species, oat stands out due to its higher crop area in winter, occupying an area of 3.8 million
hectares in the state of Rio Grande ...
Ganho genético em aveia branca, trigo e girassol no Rio Grande do Sul
(Universidade Federal de Santa Maria, 2016-11-11)
The objectives of this study were to evaluate the genetic progress of oat (Avena sativa L.), wheat (Triticum aestivum L.), and sunflower (Helianthus annuus L.) in trials organized and performed by the yield trials network ...
Degradação de agrotóxicos em hortifrutícolas (hf) através de oxidação por ozonização
(Universidade Federal de Santa Maria, 2016-08-09)
The aim of this work was to evaluate the efficiency of ozonification oxidation for horticulture submitted to pesticide decontamination, as well as to assess ozonification‟s effects on the physical-chemical properties and ...
Modelagem do terreno e mapeamento digital de solos por extrapolação das relações solo-paisagem
(Universidade Federal de Santa Maria, 2016-05-31)
Research on digital soil mapping (DSM) in Brazil is subject to the existence of legacy soil data obtained through conventional methods for extrapolation of soil-landscape relations. In areas with no available soil maps, ...
Sistemas e manejos agrícolas modulam componentes multitróficos no solo
(Universidade Federal de Santa Maria, 2016-04-29)
Soil microbiome and relationships with soil meiofauna are important for the stability and
functionality of agroecosystems, including their potential effects on soil suppressiveness.
However, little is know about how farming ...
Dinâmica dos escoamentos na modelagem da produção de sedimentos em uma pequena bacia rural
(Universidade Federal de Santa Maria, 2016-03-01)
The models based on spatially distributed processes describe erosion and sediment yield using a physical approach of the mechanisms. In general, these models require high quality input data, description of the landscape, ...