GHG Emission Mitigation of Turkish Agriculture Sector: Potential and Cost Assessment

This study uses a bottom-up optimisation modelling framework to assess GHG (greenhouse gas) emission reduction potential from enteric fermentation, manure management, and agricultural soil-related activities. As a developing European economy, the Turkish agriculture sector has been considered from 2020 until 2050. Four mitigation options are evaluated for their emission reduction potentials: addition of fat supplements to the diet, deployment of centralised biogas facilities, adjustment of fertiliser application rates, and crop rotation with legumes. Results point out the difficulty of emission mitigation in the sector from cost and limited abatement perspectives. Fat supplements have the highest potential (7.2%); others follow, respectively, 4.0%, 0.45%, and 0.35%. Crop rotation has the highest cost and the lowest GHG mitigation potential option considering the opportunity cost. Based on standalone potential assessments, three combined mitigation option sets are implemented. Besides the significant interaction effects, it has been found that the cost-effectiveness of the options depends on electricity and compost revenues.