Qualidade do óleo diesel armazenado em propriedades agrícolas no norte do Estado do Paraná.

Abstract

This paper is the result of a field survey performed in farms located in North Paraná, Brazil. The diesel oil used in agricultural tractors was adequate according to the specifications of the Brazilian Ministry of Mines and Energy. Further observation shown that inadequate storing conditions are responsible for adding water and impurities to the diesel oil what is harmful for the fuel alimentation system and performance of the tractors.