Evaluating sustainability tradeoffs of agricultural plastic mulch films through a global meta-analysis
文献类型： 外文期刊
作者： Sun, Yuanchen 1 ; He, Wenqing 1 ; Jin, Tuo 4 ; Whalen, Joann K. 5 ; Mancl, Karen 6 ; Gao, Haihe 1 ; Liu, Qin 1 ; Yan, Changrong 1 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Environm & Sustainable Dev Agr, Beijing 100081, Peoples R China
2.Minist Agr & Rural Affairs, Key Lab Prevent & Control Residual Pollut Agr Film, Beijing 100081, Peoples R China
3.State Key Lab Efficient Utilizat Agr Water Resourc, Beijing 100081, Peoples R China
4.Minist Agr & Rural Affairs Beijing, Rural Energy & Environm Agcy, Beijing 100125, Peoples R China
5.McGill Univ, Dept Nat Resource Sci, Macdonald Campus 21,111 Lakeshore Rd, Sainte Anne De Bellevue, PQ H9X 3V9, Canada
6.Ohio State Univ, Columbus, OH 43210 USA
关键词： Soil-biodegradable mulch; Polyethylene mulch; Crop yield; Water use efficiency; Greenhouse gas emissions; Climate smart agriculture
期刊名称：JOURNAL OF CLEANER PRODUCTION （ 影响因子：10.0； 五年影响因子：10.7 ）
ISSN： 0959-6526
年卷期： 2025 年 523 卷
页码：
收录情况： SCI
摘要： Agricultural mulch films play a pivotal role in safeguarding global food security. Soil-biodegradable mulch (BDM) has been developed and is increasingly adopted to replace conventional polyethylene mulch (PM). The differential impacts of the different mulches on agronomic performance and environmental outcomes have yet to be systematically evaluated worldwide. The objective of this study was to evaluate the sustainability tradeoffs using PM and BDM in agriculture. Hence, we conducted a global meta-analysis synthesizing 4,331 experimental datasets from 724 publications to quantify these tradeoffs. The analysis revealed agricultural mulch films (BDM and PM) increased crop yields (27.72 % and 29.53 %, respectively) and water use efficiency (WUE; 20.28 % and 47.27 %, respectively), reduced CH4 emissions (31.68 % and 48.28 %, respectively), and increased N2O emissions (8.60 % and 24.03 %, respectively). BDM reduced global warming potential (18.27 %), whereas PM showed no significant reduction. Crop specific metrics were not different (yield, WUE, and greenhouse gases) between the two films except for grain and seed crops. Overall, BDMs exhibit climate-smart performance in temperate and humid zones with superior environmental benefits. The synchronization index of water conservation revealed BDM's higher potential for greenhouse gas mitigation and ecological benefits, demonstrating BDM as a tool for sustainable agriculture.
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