Arid
DOI10.3390/agronomy13112707
Microbial Community Shifts with Soil Properties and Enzyme Activities in Inter-/Mono-Cropping Systems in Response to Tillage
Lu, Peina; Zhao, Cai; Yin, Wen; Hu, Falong; Fan, Zhilong; Yu, Aizhong; Fan, Hong
通讯作者Zhao, C
来源期刊AGRONOMY-BASEL
EISSN2073-4395
出版年2023
卷号13期号:11
英文摘要No-till and cereal-legume intercropping have been recognized as favorable cropping practices to increase crop yields while maintaining soil quality in arid and semiarid environments, but the biological mechanisms are poorly understood. The present study aimed to determine the response of yields, soil properties, enzyme activities, and microbial community diversity and composition in mono- and inter-cropping under conventional and no-tillage conditions. We initiated a field experiment in Wuwei, a typical arid area of China, in 2014. Soil was sampled in August 2022 and, yields, soil properties, enzyme activities, and the microbial community diversity and composition were determined in the maize and pea strips in inter- and mono-cropping systems. Results revealed that the maize and pea strips in the no-till intercropping significantly increased yields, total and organic carbon stocks, decreased NO3--N, and obtained the highest total and organic P in the soil. No-tillage significantly enhanced the Shannon index and Pielou evenness of the bacterial community and total microbial community over conventional tillage, with the alpha-diversity of the bacterial community and total microbial community distinctly higher in the NTIM treatment than in the CTIM treatment. The alpha-diversity of the total microbial community was significantly related to yield, soil IC and OC, and the alpha-diversity of the archaea community was significantly related to soil TC, TC/TP, TN/TP, and BX. Meanwhile, the alpha-diversity of the eukaryote community was significantly related to soil yield, soil TC/TP. Both no-tillage and intercropped maize significantly increased the abundance of archaea phylum Thaumarchaeota and bacterial phylum Nitrospirae, and were significantly positively associated with soil OC and NH4+-N, benefiting nitrogen fixation of intercropped pea from the atmosphere under the no-tillage cereal/legume intercropping. No-till intercropping was conducive to the accumulation of organic carbon, while decreasing the abundance of Proteobacteria, Acidobacteria, and Verrucomicrobia. Limited soil enzyme activities (ACP, ALP, DP, NAG, BG, AG, CB) led to decreases in organic carbon turnover and utilization. Intercropping altered soil microbial community diversity and composition due to changes in soil properties and enzyme activities. These findings suggest that no-tilled cereal-legume intercropping is a sustainable cropping practice for improving soil properties and enhancing microbial (archaea, bacterial, eukaryota) diversity, but the persistence is not conducive to rapid turnover of soil nutrients due to limited enzyme activities.
英文关键词no-tillage intercropping microbial community soil properties soil enzyme activities
类型Article
语种英语
开放获取类型Green Submitted, gold
收录类别SCI-E
WOS记录号WOS:001108148400001
WOS关键词ORGANIC-MATTER ; NO-TILLAGE ; BACTERIAL COMMUNITIES ; WATER-USE ; CARBON ; STABILIZATION ; CRENARCHAEOTA ; CONSERVATION ; DIVERSITY ; RELEVANCE
WOS类目Agronomy ; Plant Sciences
WOS研究方向Agriculture ; Plant Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/395252
推荐引用方式
GB/T 7714
Lu, Peina,Zhao, Cai,Yin, Wen,et al. Microbial Community Shifts with Soil Properties and Enzyme Activities in Inter-/Mono-Cropping Systems in Response to Tillage[J],2023,13(11).
APA Lu, Peina.,Zhao, Cai.,Yin, Wen.,Hu, Falong.,Fan, Zhilong.,...&Fan, Hong.(2023).Microbial Community Shifts with Soil Properties and Enzyme Activities in Inter-/Mono-Cropping Systems in Response to Tillage.AGRONOMY-BASEL,13(11).
MLA Lu, Peina,et al."Microbial Community Shifts with Soil Properties and Enzyme Activities in Inter-/Mono-Cropping Systems in Response to Tillage".AGRONOMY-BASEL 13.11(2023).
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