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Itens para a visualização no momento 31-40 of 62
Projeto, construção e teste de instrumentação eletrônica para avaliação do desempenho de tratores agrícolas
(Universidade Federal de Santa Maria, 2009-01-09)
The objective of this work was to design, construct and test an electronic
instrumentation acquisition and storage of data, regarding the performance of the
agricultural tractors during operations to field. Was realized ...
Tecnologia de aplicação de fungicidas na cultura do trigo
(Universidade Federal de Santa Maria, 2006-03-01)
The presence of dew at fungicide spray might change de efficiency. So, the work was carried out to evaluate changes on fungicides efficiency on control of wheat diseases due to presence of dew on leaf surface at the moment ...
Irrigação e aplicação de fungicida na ocorrência de doenças e produtividade do girassol
(Universidade Federal de Santa Maria, 2009-02-27)
The occurrence of disease has been one of the main problems of the sunflower crop over the years. The objective of this study was to evaluate the effect of irrigation and the application of fungicides on the occurrence of ...
Análise temporal do uso da terra com imagens do satélite Landsat 7 sensor ETM+, no município de Santa Margarida do Sul – RS
(Universidade Federal de Santa Maria, 2002-08-30)
The coming of the remote sensing satellites has been favoring, in the
last few years, the accomplishment of risings at the distance of physical and
chemical variations of the terrestrial surface in extensive and ...
Utilização de recursos de agricultura de precisão na geração de mapas de atributos, mapas de produtividade e aplicação de insumos a taxas variáveis.
(Universidade Federal de Santa Maria, 2004-02-27)
Abstract chapter 1 - Variability of a soy farming (Glycine Max (L.) Merrill) using simplified techniques of precision agriculture.
This work had as main objective to determine and analyze the spatial variability in soy ...
Simulação gráfica do crescimento de plantas de milho
(Universidade Federal de Santa Maria, 2007-11-09)
The computer graphic simulation can be used to understand plant growth and development influenced by biotic or abiotic parameters. The main simulation purposes are: (i) to predict plant agronomic characteristics when its ...
Adequação da demanda hídrica e da potência instalada em sistemas de recalque para o arroz na depressão central do Rio Grande do Sul.
(Universidade Federal de Santa Maria, 2007-02-28)
The rice culture for Rio Grande do Sul economy is of great relevance. Annually, around one million of hectares are planted. As it is a culture irrigated by a continuum
flood, the supply of the high hydric demand is done ...
Análise do nível de vibrações nos assentos de tratores agrícolas
(Universidade Federal de Santa Maria, 2007-02-28)
Nowadays, whole-body vibration is widely recognized as risk factor for worker all around the world. Most of published works on this subject was developed in main research centers.
The aims of this study were (1) to determine ...
Avaliação de desempenho do óleo de soja como combustível para motores diesel
(Universidade Federal de Santa Maria, 2003-08-04)
The renewed interest in energy for biomass is supported by the need for different
energy sources and the need to protect the environment. Recently, because of increases in
crude oil prices, limited resources of fossil ...
Agricultura de precisão em áreas irrigadas com pivô central no Rio Grande do Sul
(Universidade Federal de Santa Maria, 2007-02-16)
The search for new technologies that could increase crop yields encourages a growing number of Brazilian farms to use precision farming. Although precision farming principles are not new, only in last two decades has it ...