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Changes in soil microbial biomass with manure application in cropping systems: A meta-analysis
Ren, Fengling1; Sun, Nan1; Xu, Meng2; Zhang, Xubo2; Wu, Lianhai3; Xu, Minggang1
2019-11-01
Source PublicationSOIL & TILLAGE RESEARCH
ISSN0167-1987
Volume194Pages:11
Corresponding AuthorZhang, Xubo(zhangxb@igsnrr.ac.cn) ; Xu, Minggang(xuminggang@caas.cn)
AbstractSoil microbial biomass carbon (SMBC) and nitrogen (SMBN) are important indices of soil bio-fertility. While intensively managed cropping systems can reduce microbial biomass, application of manure is a potential way to rebuilt microbial biomass and improve soil functions. However, the responses of SMBC and SMBN to manure application relative to mineral fertilizers (NPK) in Chinese cropping systems remains unclear. We conducted a meta-analysis based on 103 peer-reviewed publications with 1448 paired observations to identify the degree to which climate types, soil properties and agricultural managements regulate the responses of microbial biomass to manure amendment relative to NPK. The results indicated that manure application increased SMBC, SMBN, SMBC/soil organic carbon (SOC) and SMBN/soil total nitrogen (TN) by 40%, 55%, 16% and 21%, respectively, across all the observations compared to NPK. SMBC/SMBN under manure amendment (6.58 in average) was lower than that in NPK (7.86 in average). Manure-related factors, e.g. manure types, duration of application, manure-C and N input rates, were the strongest regulators of the response of microbial biomass. Soil properties and climates also contributed to considerable degrees of variation in microbial biomass response based on variance partitioning analysis (VPA). Results of the random forest (RF) models showed that manure type, application rate (manure-C and N input) as well as soil initial properties (SOC, TN and clay contents) were likely the predominant factors controlling the response of microbial biomass to manure application. Our study indicates that manure application can be an effective way to restore the loss of microbial biomass due to intensive application of NPK, yet variations in response are determined by specific manure type, application rate, as well as local conditions of climate and inherent soil properties.
KeywordMicrobial biomass Manure Mineral fertilizer Chinese cropland Meta-analysis
DOI10.1016/j.still.2019.06.008
WOS KeywordORGANIC FARMING SYSTEMS ; 2 ARABLE SOILS ; COMMUNITY STRUCTURE ; CATTLE MANURE ; NITROGEN MINERALIZATION ; CARBON SEQUESTRATION ; FUNCTIONAL DIVERSITY ; FARMYARD MANURE ; RANDOM FORESTS ; AMENDED SOILS
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2017YFC0503805] ; National Natural Science Foundation of China[41620104006] ; National Natural Science Foundation of China[41701333] ; BBSRC[BBS/E/C/000I0330]
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China ; BBSRC
WOS Research AreaAgriculture
WOS SubjectSoil Science
WOS IDWOS:000486360400001
PublisherELSEVIER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/69530
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhang, Xubo; Xu, Minggang
Affiliation1.Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Natl Sci Engn Lab Improving Qual Arable Land, Beijing 100081, Peoples R China
2.Chinese Acad Sci, Key Lab Ecosyst Network Observat & Modeling, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
3.Rothamsted Res, Sustainable Soils & Grassland Syst Dept, Okehampton EX20 2SB, Devon, England
Recommended Citation
GB/T 7714
Ren, Fengling,Sun, Nan,Xu, Meng,et al. Changes in soil microbial biomass with manure application in cropping systems: A meta-analysis[J]. SOIL & TILLAGE RESEARCH,2019,194:11.
APA Ren, Fengling,Sun, Nan,Xu, Meng,Zhang, Xubo,Wu, Lianhai,&Xu, Minggang.(2019).Changes in soil microbial biomass with manure application in cropping systems: A meta-analysis.SOIL & TILLAGE RESEARCH,194,11.
MLA Ren, Fengling,et al."Changes in soil microbial biomass with manure application in cropping systems: A meta-analysis".SOIL & TILLAGE RESEARCH 194(2019):11.
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