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Análise de desempenho em tração de rodado simples e duplo em um trator agrícola
(Universidade Federal de Santa Maria, 2011-03-18)
A major problem of agricultural tractor during several operations in which it is used is the difficulty of working in various moisture conditions and soil types affect your ability to traction force, slip and fuel consumption. ...
Resposta de um monitor de produtividade com sensor ótico a variações de produtividade em arroz irrigado
(Universidade Federal de Santa Maria, 2011-04-08)
Precision Farming (PF) has been studied mainly in soybean, corn and wheat crops,
and its use has been increasing in commercial fields. However, in irrigated rice crop,
the use of this technology has not yet been fully ...
Desempenho e aplicabilidade do irrigâmetro para cultura da soja na região de Bossoroca, RS
(Universidade Federal de Santa Maria, 2011-02-28)
Irrigation has the function to adequately supply the water demands of crops so that they express their full productive potential. But there are variations with regard to the relationship soil, plant, atmosphere, infer that ...
Projeto preliminar de um disco centrífugo para distribuição de uréia
(Universidade Federal de Santa Maria, 2011-12-14)
Recognizing the increasing complexity of today's farm machinery, and the trend of
progression of this feature for new developments it is important to the implementation of
models for the structured and systematic approach ...
Avaliação da eficiência operacional na operação de colheita mecanizada em lavouras de arroz irrigado
(Universidade Federal de Santa Maria, 2011-03-31)
The objective of this thesis was evaluate the efficiencies of the harvesting operation
in rice fields, located in the region of Depressão Central do Rio Grande do Sul. As
specific objectives, this study sought to determine ...
Propriedades físicas de uma topossequência argissolo-gleissolo
(Universidade Federal de Santa Maria, 2011-03-31)
The soils of the Central Depression in Rio Grande do Sul consist mainly of mudstones, siltstones and sandstones. The region has dimensions ranging from 40 to 100 m at lower elevations (lowland) predominate Gley soils ...
Funções de pedotransferência para solos do sul do Uruguai
(Universidade Federal de Santa Maria, 2011-01-17)
The continuous search for information that will assist agricultural practices is today relevant, being the primary use of methodologies to facilitate the determination of relevant parameters in the agricultural productivity. ...
Disponibilidade hídrica no cultivo de cravina em vasos com substrato de cinza de casca de arroz
(Universidade Federal de Santa Maria, 2011-02-25)
The aim of this study was to analyze the development of cravina culture in substrate ash
rice husk in different vessel sizes and under varying levels of water availability, observing its
response as the height of the ...
Sistematização de conhecimento para o projeto de plataformas de colheita de feijão
(Universidade Federal de Santa Maria, 2011-09-21)
Due to the need to increase in production and to the high rates of losses in the header because of machines with low efficiency in harvesting, it is presented, in this thesis the knowledge systematization needed to develop ...
Desempenho em dinamômetro e emissões residuais de um motor de trator agrícola operando com misturas binárias de óleo diesel B5 e biodiesel de óleo de frango
(Universidade Federal de Santa Maria, 2011-02-28)
Brazil, the third largest producer of biodiesel in the world, and also the third largest producer of chicken, may increase in some regions, the use of oil derived from birds, as an alternative to fossil fuels. In order to ...