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Life Cycle Assessment of a Highly Diverse Vegetable Multi-Cropping System in Fengqiu County, China
Li, Li1,2,3; Wu, Wenliang1; Giller, Paul2; O'Halloran, John2; Liang, Long1; Peng, Peng1; Zhao, Guishen1
2018-04-01
Source PublicationSUSTAINABILITY
ISSN2071-1050
Volume10Issue:4Pages:17
Corresponding AuthorZhao, Guishen(zhgsh@cau.edu.cn)
AbstractAgricultural biodiversity usually leads to greater sustainability in production practices. To understand the environmental implications of the development of village-level multi-cropping in rural China, we compared the environmental impact of a highly diverse vegetable multi-cropping system to a conventional wheat/maize rotation system based on the method of life cycle assessment (LCA). Using household level cultivation data, this study examined the gate-to-gate environmental impacts of on-site cultivation practices relating to the production of 10,000 nutrient equivalent units. Results show that vegetable multi-cropping resulted in decreased average land requirement, and diesel, water and electricity usage by 69.8%, 62.2%, 71.7%, and 63.4%, respectively, while average nitrogen (Total N), phosphorus (P2O5), and potassium (K2O) usage in vegetable multi-cropping systems decreased by 16.3%, 42.1%, and 75.8%, respectively. Additional corresponding effects led to a decrease in the total global warming, eutrophication, and acidification potentials from external inputs by 21.6%, 16.7%, and 16.2% of the entire system, respectively. Moreover, the midpoint human toxicity potential from pesticide usage of the vegetable multi-cropping system was lower than that of the conventional system. However, the midpoint eco-toxicity potential from pesticide usage was higher due to certain highly toxic substances, and both human and eco-toxicity potentials from heavy metals were all higher by a few orders of magnitudes. Thus, to mitigate these detrimental consequences, some related measures are proposed for sustainable practices in the future implementation of multi-cropping systems.
Keywordlife cycle assessment multi-cropping nutrient equivalent biodiversity sustainable development
DOI10.3390/su10040983
WOS KeywordKEY CHEMICAL-PROPERTIES ; IMPACT ASSESSMENT ; ANALYSIS SENSITIVITY ; ECOSYSTEM SERVICES ; ENVIRONMENTAL RISK ; TOXIC EMISSIONS ; FOOD-PRODUCTS ; PESTICIDE USE ; AGRICULTURE ; BIODIVERSITY
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2016YFD0800906]
Funding OrganizationNational Key Research and Development Program of China
WOS Research AreaScience & Technology - Other Topics ; Environmental Sciences & Ecology
WOS SubjectGREEN & SUSTAINABLE SCIENCE & TECHNOLOGY ; Environmental Sciences ; Environmental Studies
WOS IDWOS:000435188000087
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/54624
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhao, Guishen
Affiliation1.China Agr Univ, Coll Resources & Environm Sci, Beijing 100193, Peoples R China
2.Univ Coll Cork, Sch Biol Earth & Environm Sci, Cork T23 N73K, Ireland
3.Chinese Acad Sci, Int Ecosyst Management Partnership, Inst Geog Sci & Nat Resources Res, Beijing 100102, Peoples R China
Recommended Citation
GB/T 7714
Li, Li,Wu, Wenliang,Giller, Paul,et al. Life Cycle Assessment of a Highly Diverse Vegetable Multi-Cropping System in Fengqiu County, China[J]. SUSTAINABILITY,2018,10(4):17.
APA Li, Li.,Wu, Wenliang.,Giller, Paul.,O'Halloran, John.,Liang, Long.,...&Zhao, Guishen.(2018).Life Cycle Assessment of a Highly Diverse Vegetable Multi-Cropping System in Fengqiu County, China.SUSTAINABILITY,10(4),17.
MLA Li, Li,et al."Life Cycle Assessment of a Highly Diverse Vegetable Multi-Cropping System in Fengqiu County, China".SUSTAINABILITY 10.4(2018):17.
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