文献类型： 外文期刊
作者： Zhang, Dan 1 ; Ng, Ee Ling 2 ; Hu, Wanli 3 ; Wang, Hongyuan 1 ; Galaviz, Pablo 4 ; Yang, Hude 5 ; Sun, Wentao 6 ; Li, Cho 1 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Key Lab Nonpoint Source Pollut Control, Minist Agr & Rural Affairs, Beijing, Peoples R China
2.Univ Melbourne, Sch Agr & Food, Melbourne, Vic, Australia
3.Yunnan Acad Agr Sci, Inst Agr Environm & Resources, Kunming, Yunnan, Peoples R China
4.Childrens Med Res Inst, Bioinformat & Data Sci Res Facil, Sydney, NSW, Australia
5.Gansu Acad Agr Sci, Inst Soil Fertilizer & Water Saving Agr, Lanzhou, Peoples R China
6.Liaoning Acad Agr Sci, Inst Plant Nutr & Environm Resources, Shenyang, Peoples R China
7.Gansu Agr Dept, Protect Stn Agr Resources & Environm, Lanzhou, Peoples R China
8.Xinjiang Acad Agr Sci, Inst Soil Fertilizer & Water Saving, Urumqi, Peoples R China
9.Inner Mongolia Acad Agr Sci, Inst Plant Nutr & Anal, Hohhot, Peoples R China
10.Hubei Acad Agr Sci, Inst Plant Protect Soil & Fertilizer Sci, Wuhan, Peoples R China
11.Minist Agr & Rural Affairs, Res Ctr Rural Econ, Beijing, Peoples R China
12.Xinjiang Agr Dept, Protect Stn Agr Resources & Environm, Urumqi, Peoples R China
13.Beijing Acad Agr & Forestry Sci, Inst Plant Nutr & Resources, Beijing, Peoples R China
14.Jilin Acad Agr Sci, Inst Agr Resource & Environm, Changchun, Peoples R China
15.Ningxia Acad Agr & Forestry Sci, Inst Agr Resources & Environm, Yinchuan, Ningxia, Peoples R China
16.Minist Agr & Rural Affairs, Rural Energy & Environm Agcy, Beijing, Peoples R China
17.Beijing Agroenvironm Monitoring Stn, Beijing, Peoples R China
18.Hebei Acad Agr & Forestry Sci, Inst Agr Resources & Environm, Shijiazhuang, Hebei, Peoples R China
19.Tianjin Agroenvironm Monitoring Stn, Tianjin, Peoples R China
20.Shandong Acad Agr Sci, Inst Agr Resources & Environm, Jinan, Peoples R China
21.Heilongjiang Acad Agr Sci, Inst Soil Fertilizer & Environm Resources, Harbin, Peoples R China
22.Henan Acad Agr Sci, Inst Plant Nutr Agr Resources & Environm Sci, Zhengzhou, Peoples R China
23.Zhejiang Acad Agr Sci, Inst Environm Resources & Soil Fertilizer, Hangzhou, Peoples R China
24.Anhui Agr Univ, Sch Resource & Environm, Hefei, Peoples R China
25.Fujian Acad Agr Sci, Inst Soil & Fertilizer, Fuzhou, Peoples R China
26.Hunan Acad Agr Sci, Changsha, Peoples R China
27.Guangdong Acad Agr Sci, Soil & Fertilizer Inst, Guangzhou, Peoples R China
28.Sichuan Acad Agr Sci, Soil & Fertilizer Inst, Chengdu, Peoples R China
29.Guizhou Inst Soil & Fertilizer, Guiyang, Peoples R China
30.Guangxi Acad Agr Sci, Agr Resources & Environm Inst, Nanning, Peoples R China
31.Southwest Univ, Coll Resources & Environm, Chongqing, Peoples R China
32.Zhejiang Univ, Dept Land Management, Zijingang Campus,866 Yuhangtang Rd, Hangzhou 310058, Peoples R China
33.Zhejiang Univ, Coll Environm & Resource Sci, Hangzhou, Peoples R China
关键词： crop yield; long-term consequence; meta-analysis; plastic residue; policy; soil health
期刊名称：GLOBAL CHANGE BIOLOGY （ 影响因子：10.863； 五年影响因子：11.716 ）
ISSN： 1354-1013
年卷期：
页码：
收录情况： SCI
摘要： Plastic pollution is a global concern given its prevalence in aquatic and terrestrial ecosystems. Studies have been conducted on the distribution and impact of plastic pollution in marine ecosystems, but little is known on terrestrial ecosystems. Plastic mulch has been widely used to increase crop yields worldwide, yet the impact of plastic residues in cropland soils to soil health and crop production in the long term remained unclear. In this paper, using a global meta-analysis, we found that the use of plastic mulch can indeed increase crop yields on average by 25%-42% in the immediate season due to the increase of soil temperature (+8%) and moisture (+17%). However, the unabated accumulation of film residues in the field negatively impacts its physicochemical properties linked to healthy soil and threatens food production in the long term. It has multiple negative impacts on plant growth including crop yield (at the mean rate of -3% for every additional 100 kg/ha of film residue), plant height (-2%) and root weight (-5%), and soil properties including soil water evaporation capacity (-2%), soil water infiltration rate (-8%), soil organic matter (-0.8%) and soil available phosphorus (-5%) based on meta-regression. Using a nationwide field survey of China, the largest user of plastic mulch worldwide, we found that plastic residue accumulation in cropland soils has reached 550,800 tonnes, with an estimated 6%-10% reduction in cotton yield in some polluted sites based on current level of plastic residue content. Immediate actions should be taken to ensure the recovery of plastic film mulch and limit further increase in film residue loading to maintain the sustainability of these croplands.
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