Difference in carbon footprint between single- and double-cropping rice production in China, 2003–2016
2021
Zhang, Lu | Xu, Xiaocang
Agricultural greenhouse gas (GHG) emissions account for 14% of the total greenhouse gas (GHG) emissions from human activities, and the carbon footprint (CF) of agricultural production, which can help to propose positive measures to mitigate greenhouse gas (GHG) emissions, is a general method for assessing the impact of agricultural practices on the external environment. This article calculated the carbon footprint (CF) of rice production and compared the differences between the double-and single-cropping rice regions, which is rarely mentioned in previous literature. Some interesting information was shown. For example, the internal structure of rice production carbon footprint (CF) is prominent. (a) In terms of time evolution, CF of agricultural materials showed an increasing trend year by year, while CF of rice planting remained basically stable. (b) In terms of regional differences, whether single-cropping rice regions or double-cropping rice regions, CF of agricultural materials did not show the previous increasing trend after 2011, especially after 2015. This may be greatly affected by the policy such as the abolishing of the China agricultural tax in 2006. These studies can help us to reveal how agricultural policies and different rice cropping patterns affect each region.
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