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Introducing soil air injection device to reduce carbon footprint of rice production system in China

文献类型： 外文期刊

作者： Tang, Jichao 2 ; Li, Chengfang 2 ; Tan, Wenfeng 3 ; Cao, Cougui 2 ; Zhang, Weijian 4 ; Zhang, Lu 5 ; Hu, Quanyi 2 ; Xiong, Hang 5 ; Luo, Jing 2 ; Song, Wenjie 6 ; Liu, Tianqi 1 ;

作者机构： 1.Northeast Agr Univ, Sch Resources & Environm, Harbin 150030, Peoples R China

2.Huazhong Agr Univ, Coll Plant Sci & Technol, MOA Key Lab Crop Ecophysiol & Farming Syst Middle, Wuhan 430070, Peoples R China

3.Huazhong Agr Univ, Coll Resources & Environm, Wuhan 430070, Peoples R China

4.Chinese Acad Agr Sci, Inst Crop Sci, Key Lab Crop Physiol & Ecol, Minist Agr, Beijing 100081, Peoples R China

5.Huazhong Agr Univ, Coll Econ & Management, Wuhan 430070, Peoples R China

6.Yangtze Univ, Agr Coll, Hubei Collaborat Innovat Ctr Grain Ind, Jingzhou 434025, Peoples R China

7.600 Changjiang St, Harbin 150030, Heilongjiang, Peoples R China

关键词： Life cycle assessment; Rice field; Air injection for soil; Carbon footprint; Knowledge-attitude-practice; Economic output

期刊名称：JOURNAL OF CLEANER PRODUCTION （ 影响因子：11.1； 五年影响因子：11.0 ）

ISSN： 0959-6526

年卷期： 2023 年 406 卷

页码：

收录情况： SCI

摘要： Improving soil aeration in paddy fields using mechanical device reduces methane (CH4) emissions, whereas it also increases the contribution of other sources (device production, agricultural inputs, etc.). Here, this study applied the life cycle assessment (LCA) method to evaluate the carbon footprint of a soil air injection device (SAID) in rice field. We further analyzed the prospects of this device in promoting carbon emission reduction in China's main rice-producing areas, which was combined with economic benefit calculation and revised knowledge-attitude-practice (KAP) model. Results showed that the reduction of net carbon emissions from paddy fields under SAID treatment was 4.51-241.95% higher than the total carbon emissions from the production, transportation, operation, and recycling of SAID. The economic output of using SAID in rice fields could just offset the cost of it. With reasonable government subsidies (142.80-349.95 yuan SAID(-1) yr(-1)), SAID can reduce carbon emissions from Chinese rice fields by similar to 41.60 Tg CO2-eq yr(-1). This study suggests that using SAID in some rice planting areas in China may be an effective way to reduce carbon emissions.

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