Assessment of the Pattern of Energy Consumption in Dryland Rape Production and its Environmental Effects In Ilam province

The use of agricultural machinery, fuel, fertilizers, and pesticides render agriculture dependent on energy and have negative environmental effects on water, air and land. Therefore, it is necessary to study the process of energy consumption for producting the different products and take the necessary measures to increase the efficiency and decrease the environmental effect of these inputs. In this study, we calculate the pattern of energy consumption in dryland rape, using energy ratio, energy efficiency, energy intensity and net energy addition and the environmental effects in three districts of Ilam province using the life cycle evaluation. In order to conduct the study, we obtained  the required data by using the questionnaire method to interview farmers and related departments. The results of this study showed that the average ratio of the energy for the dryland rape production in Chardavol, Darrehshahr , and Abdanan districts was respectivelyt 7.91,7.67, and 6.91. Based on the results of the life cycle assessment, diesel fuel had the maximum effect on reduction of inorganic sources, ozone layer depletion and water contanimation. Direct emissions had the greatest impact on acidification, river pollution, global warming and human poisoning.