摘要
目的 通过研究遂宁市农业碳排放特征及影响因素为能够真正实现低碳农业提供科学参考。方法 本研究选取四川省遂宁市作为研究对象，基于排放系数法的碳排放模型测算了2010-2021年遂宁市农业生产的六类碳源的农业碳排放量，并结合迪氏对数指标分解法（Lograithmic Miviean Divisia Index，LMDI）对遂宁市农业碳排放的影响因素进行分解。结果 遂宁市农业碳排放量总体上呈缓慢下降的趋势，其中化肥和翻耕是主要贡献者；农业经济发展水平是引起遂宁市农业碳排放增加的主要驱动因素，而农业生产效率则是制约碳排放增加的关键因素。结论 遂宁市应从提高农用物资利用效率、引进科学农业技术及转变农业经济发展方式等方面促进低碳化农业发展。
关键词： 农业碳排放；遂宁市；LMDI模型
Abstract
Objective By studying the characteristics and influencing factors of agricultural carbon emissions in Suining, it can truly provide a scientific reference for the realization of low-carbon agriculture. Methods In this study, Suining, Sichuan Province, was selected as the research object. Based on the carbon emission model of the emission coefficient method, the agricultural carbon emissions of the six types of carbon sources of agricultural production in Suining from 2010 to 2021 were calculated, and the Lograithmic Miviean Divisia Index (LMDI) was used to decompose the influencing factors of agricultural carbon emissions in Suining. Results The agricultural carbon emissions in Suining showed a slow downward trend, among which chemical fertilizer and plowing were the main contributors. The level of agricultural economic development is the main driving factor for the increase of agricultural carbon emissions in Suining, and agricultural production efficiency is the key factor restricting the increase of carbon emissions. Conclusion s Suining should promote the development of low-carbon agriculture from the aspects of improving the utilization efficiency of agricultural materials, introducing scientific agricultural technology and changing the mode of agricultural economic development.
Key words： Agricultural carbon emissions; Suining; LMDI model
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