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Maize-peanut intercropping led to an optimization of soil from the perspective of soil microorganism

文献类型： 外文期刊

作者： Guo, Feng 1 ; Wang, Minglun 2 ; Si, Tong 2 ; Wang, Yuefu 2 ; Zhao, Hongjun 3 ; Zhang, Xiaojun 2 ; Yu, Xiaona 2 ; Wan, Shu 1 ;

作者机构： 1.Shandong Acad Agr Sci, Biotechnol Res Ctr, Jinan 250100, Peoples R China

2.Qingdao Agr Univ, Shandong Prov Key Lab Dryland Farming Technol, Shandong Peanut Ind Collaborat Innovat Ctr, Coll Agron, Qingdao 266109, Peoples R China

3.Natl Engn Res Ctr Peanut, Shandong Peanut Res Inst, Qingdao, Peoples R China

关键词： Maize-peanut intercropping; soil property; microbial community; microbial function

期刊名称：ARCHIVES OF AGRONOMY AND SOIL SCIENCE （ 影响因子：3.092； 五年影响因子：2.745 ）

ISSN： 0365-0340

年卷期：

页码：

收录情况： SCI

摘要： Maize-peanut intercropping (M//P) is widely used in the North China Plain, but little is known about the changes in soil microorganism and its interactions with soil nutrient availability. Based on 3 years of field experiment, this study systematically investigated the soil microorganisms and soil properties in the 0-10 cm, 10-20 cm and 20-40 cm soil layers. This study found that M//P changed the soil microbial community composition compared to monoculture modes in all the studied soil layers but had the most effects in the 10-20 cm soil layer. Soil organic carbon, available phosphorus and available potassium explained the most variation in the microbial composition, whileProteobacteria, AcidobacteriaandPlanctomyceteswere the phyla that were most affected by environmental factors. Based on the correlations and microbial function analysis, we speculated that: 1) M//P increased the relative abundance ofChlorobi, ParcubacteriaandChlamydiae, which promoted carbon and nitrogen metabolism; 2) M//P increased the relative abundance ofChlamydiae, Saccharibacteria, andParcubacteriaand then enhanced phosphonate and phosphinate metabolism, providing more available phosphorus for crops; 3) some KEGG pathways related to immunity and disease were increased in M//P, which may be related to disease control.

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[1]Maize-peanut intercropping led to an optimization of soil from the perspective of soil microorganism. Guo, Feng,Wan, Shubo,Wang, Minglun,Si, Tong,Wang, Yuefu,Zhang, Xiaojun,Yu, Xiaona,Zou, Xiaoxia,Zhao, Hongjun. 2021

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