Buscar
Itens para a visualização no momento 41-50 of 275
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. ...
Tecnologia de aplicação de fungicidas no patossistema Triticum aestivum - Puccinia triticina
(Universidade Federal de Santa Maria, 2015-07-31)
The wheat cultivation is subject to a certain number of limiting factors, such as climate adversities and diseases. Besides contributing to the incidence of infections that arise from diseases such as leaf rust (Puccinia ...
Efeito do espectro de gotas e idade de trifólios sobre a taxa de absorção de fungicidas em soja
(Universidade Federal de Santa Maria, 2010-10-20)
Currently, the Asian soybean rust is the main disease of this crop in Brazil and chemical control, so far, is the only effective measure to reduce losses. The development of control strategies for this disease requires ...
Aplicação em sulco de nematicidas em soja
(Universidade Federal de Santa Maria, 2015-06-12)
The aim of this study was to evaluate the effect of cadusafos and Fluensulfone nematicides applied at three different depths and positions in the soybean planting in furrow, in order to control Meloidogyne javanica, ...
Relação entre pontas de aplicação, horário de aplicação e cultivares no controle de Phakopsora pachyrhizi em soja
(Universidade Federal de Santa Maria, 2010-03-31)
The process of agricultural production in Brazil has as a main gear the application of chemicals carried out by spraying machines. This study aimed to identify possible interactions between the tips of spraying nozzles, ...
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 ...
Características morfofisiológicas e produtividade de plantas de sorgo submetidas à irrigação deficitária
(Universidade Federal de Santa Maria, 2013-04-02)
The sustainability of irrigation management implies a conservatory management and environmentally sustainable. The deficit irrigation can be used to obtain high water productivity without, however, cause significant losses ...
Armazenamento de sementes de soja em diferentes embalagens e atmosferas
(Universidade Federal de Santa Maria, 2020-02-05)
The physiological quality of seeds has a direct influence on agricultural production; through the potential of vigorous plants production establishes a highly productive system with uniformity. Storage is one of the most ...
Nitrogênio e água como fatores de produtividade da soja (Glycine max (L.) Merrill)
(Universidade Federal de Santa Maria, 2015-03-06)
Soy is one of the most important agricultural products in the world and in
Brazil, which is the second largest producer of culture. Due to the excellent
combination of productivity, protein and oil content in grain, this ...
Nutrientes na água do escoamento superficial em sistema plantio direto com mulching vertical
(Universidade Federal de Santa Maria, 2004-10-18)
The main pollutants of water resources from agricultural areas are organic matter, sediments, nutrients and pesticides, carried out mainly by runoff from farming lands. Considering this fact, it is very important the ...