The Impact of Farmland Management Scale on Carbon Emissions

Jing Bai (), Jun Liu, Libang Ma and Wenbo Zhang
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Jing Bai: College of Geography and Environmental Sciences, Northwest Normal University, Lanzhou 730070, China
Jun Liu: College of Geography and Environmental Sciences, Northwest Normal University, Lanzhou 730070, China
Libang Ma: College of Geography and Environmental Sciences, Northwest Normal University, Lanzhou 730070, China
Wenbo Zhang: College of Geography and Environmental Sciences, Northwest Normal University, Lanzhou 730070, China

Land, 2023, vol. 12, issue 9, 1-18

Abstract: In rural China, the conversion between fine-grained farmland and large-scale farmland is a widespread phenomenon, changes in the size of farmland can have an impact on agricultural carbon emissions. Based on the agricultural panel data of Gansu Province for 2000–2020, taking the scale of agricultural land management as the breakthrough point and the consumption intensity of agricultural materials as the intermediary factor, this paper discusses the driving mechanism of agricultural carbon emissions by the scale of agricultural land management. The results including: (1) From the perspective of the intermediary effect, large-scale farmers pay more attention to input efficiency of chemicals such as fertilizers than small-scale farmers, which can effectively promote the development of low-carbon agriculture. (2) A “U-shaped” relationship existed between agricultural land management scale and agricultural carbon emissions. The agricultural carbon emissions were the lowest when agricultural land management scale in Gansu was 0.608 hm 2 /person. (3) The carbon emission intensity reached its peak when the scale of farmland management in the Hexi region was 0.143 hm 2 /person. The optimal scale of farmland management in the Longdong and Longnan regions was 0.143 and 0.348 hm 2 /person, respectively, Longzhong and Gannan regions was all showed complete intermediary effects.

Keywords: counties in Gansu province; farmland management scale; intermediary effect; agricultural carbon emission (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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