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Residual effect of tillage the soil and displacement speed in the seeder operation of the Crotalaria junceaEfeito residual do preparo do solo e velocidade de deslocamento na operação de semeadura da Crotalaria juncea
(2008-01-01)
The sowing operation is very important for the establishment of cultures, being her responsible for great costs. The objective of the present work was to evaluate the performance of an agricultural tractor in the operation ...
Economic Efficiency of Mechanized Harvesting of Sugarcane at Different Operating Speeds
(2021-04-01)
Sugarcane is highlighted in Brazilian agribusiness; however, some operations must be investigated from a technical and economic point of view, such as harvesting. The objective of this work was to estimate the cost of a ...
Energy expenditure estimate of subsoiling operation at varying depths
(Univ Federal Campina Grande, 2015-11-01)
Soil decompression can be performed in several ways, the most common in the agricultural activities is the subsoiling. With the evolution of the embedded devices and electronics it is possible to vary the depth of the ...
Technical Assessment of Two Alcohol Generator Sets
(2018-03)
This study aimed to evaluate the performance of two gensets, using as fuel, alcohol from fuel station and farm distillery. Specifically, to evaluate the power generation, the specific fuel consumption as well as the ...
Fuel consumption of road commercial vehicles in the driving schedule
(1997-12-01)
The fuel consumption is an important factor in the vehicle development due the fact that it has a direct effect on its trade aims. Besides that, it is known that the petrol is a scarce fuel. In this paper it is presented ...
PERFORMANCE OF CORN SOWING IN FERTILIZATION SYSTEM AND INTERCROPPING
(Soc Brasil Engenharia Agricola, 2018-03-01)
The performance of the tractor-seeder can be influenced by factors related to the seeder, as loads and crop. The aim of the present study was to evaluate the performance of tractor-seeder at sowing in the corn crop in ...
Fuel consumption of a sugarcane harvester in different operational settings
(Univ Federal Campina Grande, 2016-06-01)
The interventions performed during the mechanized harvesting are essential to improve the operational performance of sugarcane harvesters and reduce operational costs. The objective of the present study was to evaluate the ...
Forecasting fuel ethanol consumption in Brazil by time series models: 2006-2012
(ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD, 2010)
This article analysed scenarios for Brazilian consumption of ethanol for the period 2006 to 2012. The results show that if the country`s GDP sustains a 4.6% a year growth, domestic consumption of fuel ethanol could increase ...