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Effect of coupled reduced irrigation and nitrogen fertilizer on soil mite community composition in a wheat field
Zheng, Chunyan1; Ouyang, Fang1; Liu, Xianghui1; Ma, Junhua2; Zhao, Fenghua2; Ouyang, Zhu2; Ge, Feng1
2019-09-18
Source PublicationECOLOGY AND EVOLUTION
ISSN2045-7758
Pages12
Corresponding AuthorOuyang, Fang(ouyangf@ioz.ac.cn) ; Ge, Feng(gef@ioz.ac.cn)
AbstractGroundwater and nitrogen fertilizer overuse severely threatens crop productions; thus, current ecological agriculture requires low irrigation and nitrogen fertilizer inputs. The effects of combined reduced irrigation and nitrogen fertilizer addition on soil organism (e.g., mite) community and biodiversity remain poorly understood. We analyzed soil mite community composition, wheat grain yield, and soil characteristics in a 10-year manipulation experiment with two levels of irrigation (reduced and conventional irrigation) and five nitrogen fertilizer levels (0, 70, 140, 210, and 280 kg N/ha). Reduced irrigation (20% reduction, from 280 to 220 mm) and nitrogen fertilizer (25% reduction, from 280 to 210 kg N/ha) addition did not significantly influence soil mite community and wheat yield. The relative abundances of fungivores and predators showed negative quadratic relationships with wheat yield, while that of plant parasites showed a positive relationship. The relationships between soil mite trophic groups and wheat yield revealed that we can evaluate the impacts of reduced irrigation and nitrogen fertilizer addition from the perspective of soil fauna. Soil mite community composition was altered by soil abiotic factors prior to reduced irrigation and nitrogen fertilizer addition. Overall, moderate reductions of irrigation and nitrogen fertilizer may not threaten to soil mite community and diversity or decrease crop production; in contrast, such reductions will benefit mite community development and the sustainable agriculture.
Keywordcommunity composition functional guild indirect effect mite reduced addition
DOI10.1002/ece3.5638
WOS KeywordWATER-USE EFFICIENCY ; INCREASED PRECIPITATION ; FEEDING GUILDS ; MICROARTHROPODS ; RESPONSES ; CHINA ; DIVERSITY ; CARBON ; MECHANISMS ; COLLEMBOLA
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Plan[2017YFD0200600]
Funding OrganizationNational Key Research and Development Plan
WOS Research AreaEnvironmental Sciences & Ecology ; Evolutionary Biology
WOS SubjectEcology ; Evolutionary Biology
WOS IDWOS:000486786200001
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/69502
Collection中国科学院地理科学与资源研究所
Corresponding AuthorOuyang, Fang; Ge, Feng
Affiliation1.Chinese Acad Sci, Inst Zool, State Key Lab Integrated Management Pest & Rodent, 1 Beichen West Rd, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Yucheng Stn, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Zheng, Chunyan,Ouyang, Fang,Liu, Xianghui,et al. Effect of coupled reduced irrigation and nitrogen fertilizer on soil mite community composition in a wheat field[J]. ECOLOGY AND EVOLUTION,2019:12.
APA Zheng, Chunyan.,Ouyang, Fang.,Liu, Xianghui.,Ma, Junhua.,Zhao, Fenghua.,...&Ge, Feng.(2019).Effect of coupled reduced irrigation and nitrogen fertilizer on soil mite community composition in a wheat field.ECOLOGY AND EVOLUTION,12.
MLA Zheng, Chunyan,et al."Effect of coupled reduced irrigation and nitrogen fertilizer on soil mite community composition in a wheat field".ECOLOGY AND EVOLUTION (2019):12.
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