Brushcutters use different cutting tools with variations in operating capacity. Thus, the present study evaluate the effective operational capacity of a brushcutter equipped with different cutting tools in different areas of plant cover. It was subdivided into three experiments with 44 replicates of 4m2 each. The first was carried out in an area with plants cover with wheat and ryegrass, with blades of triple a...
The use of side brushcutters exposes users to vibration and noise, which can cause damage to the operator, as they act as a stressor agent. Excessive vibration is responsible for countless disorders, including Raynaud’s syndrome. This study aimed to assess the effect of the vibrations of a side brush cutter on the human body. A side brush cutter was used with three cutting implements (double blade, triple blade...
This paper aimed to evaluate the effects of air and fuel supercharge in an agricultural engine. Variables analyzed were torque, power and specific fuel consumption. Dynamometric experiments were carried out by means of the power take-off of an agricultural tractor. The experiment was conducted in a laboratory, with a completely randomized design in a bi-factorial arrangement, with three repetitions, six engine ...
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES; To minimize the problem of soil compaction caused by the heavy traffic of machines on the soil an alternative is the controlled traffic, which performs the standardization of the wheel gauges of the machines and implements, allowing them to move in predetermined places. The objective of this study was to evaluate the traction performance and t...
The inclusion of winter cover crops and fertilization with nitrogen to the soil can have an effect on their biological and microbiological attributes. The aim of this study was to evaluate biological and microbiological attributes in soil under different winter cover crops and nitrogen doses. The experiment was conducted at the Frederico Westphalen-RS campus of the Federal University of Santa Maria (UFSM) in a ...
Série Cadernos de Extensão - Meio Ambiente - UFSM; As inspeções de pulverizadores agrícolas podem ser realizadas de forma obrigatória ou voluntária. Tendo em vista a necessidade de reduzir a contaminação ambiental e elevar a eficiência e qualidade das aplicações de agrotóxicos, diversos trabalhos são desenvolvidos para avaliar quantitativa e qualitativamente os itens básicos dos pulverizadores agrícolas, com o ...
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior; The use of biofertilizers has been effective alternative to proper disposal of waste. However, addition of organic waste culture systems can influence the soil biota, microorganisms, and the physical properties of the soil. The objective of this study was to determine the influence of biofertilizer application in fauna and soil physical properties. Th...
O objetivo do trabalho foi determinar a influência de herbicidas pré-emergentes na comunidade da fauna edáfica em sistema de plantio convencional de cana-de-açúcar. O delineamento experimental foi em blocos ao acaso num fatorial (6x3), sendo seis formas de controle de plantas daninhas (T1: pousio; T2: capina manual; T3: Tebuthiuron a 1200gia.ha-1; T4: Ametryne a 3000gia.ha-1; T5: Tebuthiuron a 1000gia.ha-1 + Am...