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Desenvolvimento e calibração de um mini-tanque evaporimétrico
(Universidade Federal de Santa Maria, 2004-02-27)
The present work had as aim a development and calibration of a small evaporation pan comparing its evaporation with class A pan and its capability to estimate the reference evapotranspiration comparing it with the ...
Identificação e levantamento da presença dos dispositivos de iluminação e sinalização para tráfego, em tratores agrícolas
(Universidade Federal de Santa Maria, 2018-07-13)
This study aims to identify and assess the presence of traffic lighting and signaling devices on new agricultural tractors to verify the level of compliance presented by the manufacturers. For this purpose, the Brazilian ...
Evaporação de água do solo na fase inicial de desenvolvimento das culturas do milho e soja
(Universidade Federal de Santa Maria, 2009-03-18)
The principal element for plants is water, which is an important mainly production in a non-irrigated areas, and even more in places which haves insufficient rainfall. The
use of straw protects soil from evaporation keeping ...
Comparação de métodos para avaliação postural em operação de máquinas agrícolas
(Universidade Federal de Santa Maria, 2018-03-02)
Agriculture is a very old activity and its development in the country in recent decades is strongly linked to the great technological evolution of agricultural machinery and equipment. On the other hand, the increasing use ...
Avaliação de mecanismos dosadores na distribuição longitudinal de sementes de feijão-caupi (Vigna unguiculata (L.) Walp)
(Universidade Federal de Santa Maria, 2018-03-09)
The objective was to evaluate two seed pneumatic metering mechanisms and one of
a honeycomb disk in different conditions of cross slope and velocity of displacement in
the longitudinal distribution of cowpea seeds. The ...
Distribuição longitudinal de sementes de milho e soja em função do tubo condutor, mecanismo dosador e densidade de semeadura
(Universidade Federal de Santa Maria, 2014-01-24)
The competitiveness of the agricultural sector allows producers to seek technology that operate, in a manner, precisely as possible. Some crops have great sensitivity to population change and also the arrangement of the ...
Avaliação do processamento de pontos obtidos com GPS utilizando diferentes bases e tempos de ocupação
(Universidade Federal de Santa Maria, 2005-02-28)
Parâmetros mecânicos de tração em sistemas de cultivo de melancia
(Universidade Federal de Santa Maria, 2010-03-29)
In Rio Grande do Sul, Brazil, the watermelon is cultivated in a large area of sandy soils, where the conventional tillage is the most commonly used, favoring the water erosion. This leads the areas under cultivation of ...
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 ...
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 ...