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Perdas de água e sedimento em bacias pareadas de ordem zero sob plantio direto com e sem terraço
(Universidade Federal de Santa Maria, 2015-07-28)
Tillage is a conservation technique for soil management, whose principles are avoiding soil
disturbance, straw maintenance on the surface and crop rotation. Currently, negligence in its
use leads to situations of land ...
Perdas de solo e água por erosão hídrica em sistemas de culturas oleaginosas
(Universidade Federal de Santa Maria, 2010-03-30)
The sustainability of vegetable oils production is in the dependence of the agricultural practices, being the erosion the most preoccupying form of soil degradation. In this way, was carried out a study in the UFSM campus, ...
Ocorrência de hidrofobicidade em solos do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2011-10-14)
The hydrophobicity can be understood as the soil water repellency, making it difficult to wetting the same. This phenomenon is associated with the coating of soil particles by hydrophobic organic substances. The local ...
Ocorrência de Pseudomerulius curtisii, Gelatoporia subvermispora e Sarcoporia polyspora no sul do Brasil
(Universidade Federal de Santa Maria, 2012-07-20)
The Pampa is the newest Brazilian biomes. It is one of the lest studied and the one of the most economically exploited. Among these forms of exploitation, there is the cultivation of great dominated grassy fields with ...
Qualidade da água e sua relação com o uso da terra em duas pequenas bacias hidrográficas
(Universidade Federal de Santa Maria, 2011-02-25)
The creation of rural settlements in areas of agrarian reform has been allowing greater social inclusion for families who were previously deprived of land ownership and subsequent income source. However, unorganized splitting ...
Modelagem da curva de compressão e da pressão de preconsolidação do solo
(Universidade Federal de Santa Maria, 2012-08-24)
The preconsolidation pressure (σp) is obtained from the curve of the soil compression visual graphical form, mathematical or associating both and is an estimate of its load-bearing capacity. In order to remove the subjectivity ...
Formas de alumínio em solo submetido a diferentes manejos e rotações de culturas
(Universidade Federal de Santa Maria, 2012-09-28)
The use of different tillage systems and winter crop plants over a long period of time on a clayed and naturally acid soil can promote changes in the forms of aluminum present in the soil, reducing the possibility of its ...
Dicianodiamida (DCD) como inibidor da nitrificação do nitrogênio amoniacal de dejetos líquidos de suínos no solo
(Universidade Federal de Santa Maria, 2010-06-30)
Inhibition of nitrification of ammonia nitrogen (N) from pig slurry in soil after application can mitigate N losses by denitrification and leaching of nitrate (NO3-), with
economic and environmental benefits. However, ...
Matéria orgânica de um argissolo vermelho distrófico úmbrico após a introdução de fitofisionomias antrópicas
(Universidade Federal de Santa Maria, 2011-05-04)
In the state of Rio Grande do Sul the expansion of forestry has been one of the major
agents of landscape change, occupying land previously intended for livestock farming
and agriculture with low technical level, in areas ...
Biodiversidade de bactérias fixadoras de nitrogênio em área de mineração de carvão
(Universidade Federal de Santa Maria, 2014-02-19)
Coal is a fossil fuel extracted from underground by mining processes with the greatest availability in the world. In the state of Rio Grande do Sul, Brazil, the main source is the Candiota Mine with reserves of a billion ...