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Variabilidade da precipitação pluviométrica na bacia hidrográfica dos rios Vacacaí e Vacacaí-Mirim
(Universidade Federal de Santa Maria, 2020-03-12)
The general objective of the present study was to analyze the influence of altitude on the distribution and the trend of seasonal regimes of historical series of pluviometric precipitation in the Hydrographic Basin of the ...
Controle de Bambusa tuldoides munro e seus efeitos na chuva de sementes em floresta estacional semidecidual
(Universidade Federal de Santa Maria, 2020-03-04)
The bamboo dominance in forest remnants can cause disturbances in the ecological succession
mechanisms (light, temperature, humidity, etc.). When not managed, bamboo species can
become persistent for long periods. Still, ...
Potencial e lacuna de produtividade em arroz irrigado na Argentina e fatores de manejo que afetam a produtividade
(Universidade Federal de Santa Maria, 2021-08-26)
Due to the over concentration of the rice production in Asia, the study and comprehension of rice producing chains outside this continent are key do guarantee the global food security. The objective of this work was quantify ...
Semeando a restauração ecológica: semeadura direta de espécies florestais na transição Pampa – Mata Atlântica
(Universidade Federal de Santa Maria, 2021-09-03)
Direct seeding of forest species has generated new possibilities for ecological restoration in the Cerrado, Atlantic Forest and Amazon biomes in Brazil. In the ecotonal transition between the Pampa and the Atlantic Forest, ...
Pulverização eletrostática no controle de Giberella zea em trigo e Spodoptera frugiperda em milho
(Universidade Federal de Santa Maria, 2021-10-01)
Electrostatic spraying is a technology that can improve pesticide coverage on plant structures,
improving pesticide performance, decreasing drift and increasing environmental safety.
Spodoptera frugiperda caterpillars ...
Influência do manejo de produção e do beneficiamento na qualidade do arroz polido e integral
(Universidade Federal de Santa Maria, 2021-08-31)
Rice is one of the most cultivated and consumed cereals in the world and the increase in crop productivity is associated with the use of high-tech cultivars and management practices, such as soil fertilization. Thus, the ...
A curta duração do ciclo da cultura aumenta a limitação de nitrogênio da soja de alta produtividade
(Universidade Federal de Santa Maria, 2021-09-21)
Soybean productivity has doubled in the last two decades, driven by genetic improvement (earlier cultivars) and management practices. Published studies indicate limited nitrogen (N-gap) for high-yield soybeans, that is, ...
Desenvolvimento e avaliação de um mecanismo rotativo para descompactação de solo
(Universidade Federal de Santa Maria, 2021-08-31)
The present work sought to develop and evaluate a prototype mechanism that presents greater efficiency in soil mobilization, an alternative to scarifying and subsoiling implements, mainly aiming to reduce the traction ...
Uso da água, rendimento de grãos e teores de óleo de girassol submetido a diferentes estratégias de irrigação
(Universidade Federal de Santa Maria, 2021-12-13)
The crescent imbalance between water demand and supply in agriculture, especially irrigated agriculture, has motivated the use of new irrigation management tools, including improving crop water requirement estimates, i.e., ...
Análise de coeficientes em fórmulas empíricas de perda de carga contínua em tubos de PVC
(Universidade Federal de Santa Maria, 2021-12-03)
The continuous pressure drop in the pressurized irrigation system is an extremely
important factor that must be taken into account when designing hydraulics. For your
estimation to be performed correctly, you need precise ...