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Modelagem matemática do escoamento superficial na escala de encosta sob plantio direto
(Universidade Federal de Santa Maria, 2017-02-24)
The runoff generation over fields with no-tillage agriculture management remains being a problem with environment, social and economic impacts. The purpose of this research was evaluate the capacity of a physic based and ...
Variação de parâmetros dendrométricos de Pinus taeda L. e a distribuição espacial de atributos do solo por técnicas de mapeamento digital de solos
(Universidade Federal de Santa Maria, 2017-07-27)
The study of the relationship between yield potential and the conditions offered to the development of forest stands is fundamental for the adequate management of the forest, aiming at maximum sustainable yield. Considering ...
Supressão de Meloidogyne sp. por isolados de Trichoderma, na soja
(Universidade Federal de Santa Maria, 2018-02-28)
Plant-parasitic nematodes are worms that parasitize plants. The genus Meloidogyne sp. is considered the most cosmopolitan and polyphagous among plant-parasitic nematodes, causing great damage in crops of agricultural ...
Condições físicas e mecânicas de um latossolo em sistema integrado de produção agropecuária
(Universidade Federal de Santa Maria, 2016-07-26)
The integrated crop livestock systems are an important alternative to diversify production, increasing efficiency and autonomy of production systems. However, inadequate management of this stocking system promotes numerous ...
Estoque de carbono no solo e em frações da matéria orgânica com o uso de dejetos e fertilizante mineral, a longo prazo sob plantio direto
(Universidade Federal de Santa Maria, 2017-02-22)
Effect of animal manure use in soil is most diverse and has great importance, which is influenced directly or indirectly by carbon (C) added to soil. In Brazil, there is a lack of information in long - term experiments ...
Espectroscopia do solo no Vis-IR: potencial predictivo e desenvolvimento de uma interface gráfica de usuário em R
(Universidade Federal de Santa Maria, 2017-02-06)
This thesis presents a study of Visible Near-infrared spectroscopy technique applied to predict soil properties. The purpose was to develop quantitative soil information due to the demand of digital soil mapping, environmental ...
Caracterização química e liberação de nitrogênio de compostos e vermicompostos de casca de arroz e dejetos de animais
(Universidade Federal de Santa Maria, 2016-12-16)
Composting and vermicomposting reduce the volume of wastes and improve their characteristics of use, as fertilizer. However, there is a lack of information about how to use them, depending on the processes and raw materials ...
Medição da energia cinética das chuvas e definição de um índice pluvial para estimativa da erosividade em Arvorezinha/RS
(Universidade Federal de Santa Maria, 2017-02-20)
One of the challenges of modern agriculture is adapting to climatic effects, including the capability of rainfall events in causing erosion. Understanding the climatic phenomena depends on the monitoring of rain variables ...
Bioindicadores de qualidade do solo em um sistema integrado de produção agropecuária
(Universidade Federal de Santa Maria, 2016-12-07)
Integrated crop‑livestock systems (ICLS) can improve the chemical, physical and biological soil attributes. However, grazing intensification may outweigh these benefits and cause severe losses to the system. Soil biota is ...
Ocorrência de agrotóxicos em águas rurais e bioacumulados em biofilmes epilíticos do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2017-01-17)
In Brazil, agricultural activities have a high potential for contamination of water resources, especially by pesticides use. This potential is highest in river basins where agriculture is developed out of agricultural ...