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ORIGINAL RESEARCH
Straw Biochar Production and Carbon Emission
Reduction Potential in the Yangtze
River Economic Belt Region
1
College of science, University of Sydney, Camperdown NSW2006, Australia
Submission date: 2023-12-01
Final revision date: 2024-01-23
Acceptance date: 2024-03-29
Online publication date: 2024-07-26
Publication date: 2025-01-28
Corresponding author
Pol. J. Environ. Stud. 2025;34(3):2349-2357
KEYWORDS
TOPICS
ABSTRACT
In order to comprehend the temporal and spatial variations in the quantity of crop straw resources
in the Yangtze River Economic Belt over the past decade, as well as the estimated carbon emission
reduction potential from straw biochar, the straw coefficient method was employed to scientifically
estimate the crop straw resources in the region from 2011 to 2020. The study analyzed the
spatiotemporal distribution characteristics of straw resource density and per capita resource quantity.
Furthermore, it estimated the carbon emission reduction potential of preparing biochar from straw.
The results indicate that the total amount of crop straw in the Yangtze River Economic Belt increased by
0.22×108 t from 2011 to 2020. In 2020, the theoretical total amount of crop straw resources in the region
was approximately 3.04×108 t. The overall net potential for greenhouse gas mitigation was an emission
reduction of approximately 2.18×108 t of CO2e. It is evident that converting crop straw into biochar holds
significant potential and serves as an effective means to achieve carbon emission reduction.
CONFLICT OF INTEREST
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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