Evidence map›Paper›PMID 32111197›Full record

ArticleBMC biotechnology2020

Cassava/peanut intercropping improves soil quality via rhizospheric microbes increased available nitrogen contents.

Xiumei Tang, Ruichun Zhong, Jing Jiang, Liangqiong He, Zhipeng Huang, Guoying Shi, Haining Wu, Jing Liu, Faqian Xiong, Zhuqiang Han and 2 more

Abstract read
In one paragraph

Article in BMC biotechnology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

32 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors.

Xiumei TangAgricultural College of Guangxi University, Nanning, 530005, Guangxi, China. tangxiumei196@163.com.ORCID 0000-0002-9128-9457
Ruichun ZhongCash Crops Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, 530007, Guangxi, China.
Jing JiangCash Crops Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, 530007, Guangxi, China.
Liangqiong HeCash Crops Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, 530007, Guangxi, China.
Zhipeng HuangCash Crops Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, 530007, Guangxi, China.
Guoying ShiMicrobiology Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, 530007, Guangxi, China.
Haining WuCash Crops Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, 530007, Guangxi, China.
Jing LiuCash Crops Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, 530007, Guangxi, China.
Faqian XiongCash Crops Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, 530007, Guangxi, China.
Zhuqiang HanCash Crops Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, 530007, Guangxi, China.
Ronghua TangCash Crops Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, 530007, Guangxi, China. tronghua@163.com.
Longfei HeAgricultural College of Guangxi University, Nanning, 530005, Guangxi, China. lfhe@gxu.edu.cn.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundIntercropping, an essential cultivation pattern in modern agricultural systems, increases crop yields and soil quality. Cassava and peanut intercropping systems exhibit advantages in solar utilization and cadmium absorption, etc. However, the inner mechanisms need to be elucidated. In this study, Illumina MiSeq platform was used to reveal the rhizospheric microbes and soil quality in cassava/peanut intercropping systems, and the results provided a reference for the application of this method in studying other intercropping systems.

resultsBoth intercropping cassava/peanut (IP) and intercropping peanut/cassava (IC) systems significantly increased available N, available K, pH value, and urease activity, comparing with that in monocropping cassava (MC) and monocropping peanut (MP) system. However, there were few effects on the total N, total P, total K, available P, organic matter, protease activity, catalase activity, sucrase activity, and acid phosphatase activity. Both IP and MP soils contained more bacteria and fungi than those in the IC and MC soils, which were mainly made of Proteobacteria and Actinobacteria. Intercropping remarkably increased the number of Nitrospirae in IP and IC soils comparing those in MC and MP soils. Redundancy analysis (RDA) revealed that the abundances of DA101, Pilimelia, and Ramlibacter were positively correlated to the soil quality. These results suggest that intercropping enhances the available nitrogen content of soil through increasing the quantity of rhizospheric microbes, especially that of DA101 and Pilimelia.

conclusionsThe cassava/peanut intercropping system improves soil quality through increasing the available nitrogen content and abundance of DA101, Pilimelia, and Ramlibacter in the soil.

Indexed as

AgricultureArachisBacteriaCrops, AgriculturalFungiHigh-Throughput Nucleotide SequencingManihotNitrogenPhylogenyPotassiumRhizosphereSequence Analysis, DNASoilSoil MicrobiologyNitrogenPotassiumSoilCassavaIntercroppingMicrobial communityPeanutRhizospheric soil

Identifiers

PMID32111197
PMCPMC7049180

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.