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Mapeamento digital de solos: Metodologias para atender a demanda por informação espacial em solos
(Universidade Federal de Santa Maria, 2011-11-07)
Soil has increasingly being recognized as having an important role in ecosystems as
well as for food production and global climate regulation. For this reason, the demand for
relevant and updated information on soil is ...
Compactação em latossolos e argissolo e relação com parâmetros de solos e de plantas
(Universidade Federal de Santa Maria, 2005-02-28)
Soil compaction is closed related to agriculture as well as animal production management. Soil quality improvement has not been always achieved with use of soil conservation practice as no-tillage or use of animal production ...
Tempo de implantação do sistema plantio direto e propriedades físico-mecânicas de um latossolo
(Universidade Federal de Santa Maria, 2009-12-23)
Which the effect of no-tillage system on the soil physical and mechanical properties along the time? With this question, the objective this study was to evaluate the effect of the no-tillage system along the time on the ...
Aspectos técnico, econômico e ambiental do uso de fontes orgânicas de nutrientes, associadas a sistemas de preparo do solo
(Universidade Federal de Santa Maria, 2005-06-24)
The manures have been used as organic nutrient sources in many soil and climatic conditions, and their effects on technical, economic and environmental aspects are dependent on their characteristics and it can be changed ...
Regularidade de resposta da cultura do milho à compactação do solo
(Universidade Federal de Santa Maria, 2012-08-27)
The hypothesis that soil compaction in no-tillage affects crop production has been
tested often, however, there is no regularity in the relationship between plant response and
soil compaction indexes that has allowed ...
Sistemas de culturas sob diferentes manejos por longa duração alteram as formas de fósforo do solo?
(Universidade Federal de Santa Maria, 2012-08-24)
The thesis objective was to evaluate the forms of accumulation and release of phosphorus from cover crops waste under long time of different soil management systems and its relationship with the soil phosphorus forms. The ...
Propriedade de um nitossolo vermelho após nove anos de uso de sistemas de manejo e efeito sobre culturas
(Universidade Federal de Santa Maria, 2005-03-02)
Long-term use of management systems result in alteration in physical and chemical soil properties and its intensity is related to time, soil and climate conditions. Physical
properties are more susceptible to changes by ...
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) ...
Emissão de óxido nitroso e metano em área de cultivo com arroz irrigado com diferentes manejos da palha pós-colheita
(Universidade Federal de Santa Maria, 2013-02-15)
Post-harvest rice straw managements can alter CH4 and N2O emissions and global
warming potential (GWP) in lowland areas cultivated with rice. In order to test this
hypothesis, the present study was planned to quantify ...
Adubação nitrogenada em videiras jovens e em produção
(Universidade Federal de Santa Maria, 2014-02-27)
In the Campanha Gaúcha from Rio Grande do Sul State (RS), vines has been cultivated under
sandy soils with low organic matter content; therefore they have a low nitrogen (N) supply
capacity and inputs of N fertilizers are ...