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Espectros de gotas e taxas de aplicação de fungicidas em diferentes horários no controle da ferrugem asiática da soja
(Universidade Federal de Santa Maria, 2017-03-03)
Asian rust causes significant yield loss in soybean and its control is based on fungicide applications. Factors related to application technology, such as techniques adopted and climatic conditions, influence the success ...
Influência da irrigação e do manejo da desfolha sobre o balanço hídrico e produção de forragem de Tifton 85
(Universidade Federal de Santa Maria, 2017-07-24)
The studies with the use of irrigation systems in pastures focus on assessing productive responses of forage plants. However, it is important to evaluate the use of technologies and favor the application of the knowledge ...
Desenvolvimento de um bioherbicida a partir de metabólitos de phoma sp. para o manejo de plantas daninhas
(Universidade Federal de Santa Maria, 2017-03-02)
The weeds are one of the main problems faced by the farmers, because such weeds are responsible for a significant amount of the agricultural losses. The key control method is the chemical with use of herbicides. Although ...
Sistematização de conhecimento para qualificação de pontas aspersoras para simuladores de chuva
(Universidade Federal de Santa Maria, 2017-12-15)
In agriculture, water acts in all physiological processes, biochemical and also in the thermal regulation of crops. Excess water in the form of rainfall generates losses of agricultural production, mainly due to the effects ...
Caracterização do uso e estado de conservação de motosserras de ciclo otto 2 tempos
(Universidade Federal de Santa Maria, 2017-07-19)
The use of wood for different purposes is a known reality. The cutting of trees and the unfolding of wood with chainsaw helps both operators and rural producers and is actively in the routine of the rural population. In ...
Uso de inteligência artificial para estimativa da capacidade de suporte de carga do solo
(Universidade Federal de Santa Maria, 2017-02-13)
The knowledge of the relationships between physical and mechanical properties of the soil may contribute to the development of pedotransfer functions (PTFs), to estimate other soil properties are difficult to measure. The ...
Atendimento a normas de segurança e ergonomia nos postos de operação de tratores agrícolas
(Universidade Federal de Santa Maria, 2017-03-02)
In modern agriculture, the agricultural tractor is an essential equipment for the accomplishment of the numerous agricultural operations of a property. Since the first tractors with internal combustion engine, big ...
Inspeção técnica de pulverizadores agrícolas conforme a norma ISO 16122
(Universidade Federal de Santa Maria, 2017-02-23)
The primary sector development by the expansion of cultivation areas and the increase in the productive indices promoted the increase of pesticide uses. That reflect in problems related to application inefficiency, making ...
Extração e caracterização de compostos bioativos de Lupinus albescens utilizando fluidos pressurizados
(Universidade Federal de Santa Maria, 2017-07-17)
The use of chemicals, in excessive doses or inadequately, in the control of pests and diseases in agriculture, has promoted environmental damage, contamination of animals, intoxication of farmers, among others. Looking for ...
Manchas foliares de alternária e septória em girassol: modelagem da severidade e redução da produtividade
(Universidade Federal de Santa Maria, 2017-01-17)
The objective of this work was to evaluate the progression of the disease under different leaf wetness with adjustment of an agrometeorological forecasting system of the septoria spot on the sunflower based on meteorological ...