The temperature rise of the planet associated with anthropogenic greenhouse gas emissions promotes
interest for strategies to mitigate them. Since agriculture is a sector responsible for nearly a fifth of global
emissions, it is necessary to identify measures to be applied, what is their mitigation potential and the
estimated cost of implementing each measure. Our study addresses these questions by comparing the production of potato in two distinct production systems and with actual field data. In a first step, this
paper calculates in a modern agricultural system the carbon footprint of mechanization and energy use
for irrigation (located in Spain) and in less productive systems that integrate less technologies (located
in Peru) . The results show that in the case studies in both countries the nitrogen cycle represents the
primary source of greenhouse gas emissions, followed by energy fuel for irrigation and mechanization.
Subsequently this study evaluates economically the mitigation actions through Marginal Abatement
Cost Curves. These results demonstrate that the management of nitrogen fertilizer is the best alternative
to reduce the carbon footprint because of their greater potential to reduce greenhouse gas emissions
and their lower equivalent mitigation costs. Finally, the study provides a methodological framework
that can be easily applied to other crops.
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