Evidence map›Paper›PMID 33936016›Full record

ArticleFrontiers in microbiology2021

Positive Effects of Crop Diversity on Productivity Driven by Changes in Soil Microbial Composition.

Laura Stefan, Martin Hartmann, Nadine Engbersen, Johan Six, Christian Schöb

Abstract read
In one paragraph

Article in Frontiers in microbiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing 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

30 citing papers in PubMed.

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  15. Coadaptation of coexisting plants enhances productivity in an agricultural system.Proceedings of the National Academy of Sciences of the United States of America · 2024
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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

5 authors.

Laura StefanInstitute of Agricultural Sciences, Department of Environmental Systems Science, ETH Zürich, Zurich, Switzerland.
Martin HartmannInstitute of Agricultural Sciences, Department of Environmental Systems Science, ETH Zürich, Zurich, Switzerland.
Nadine EngbersenInstitute of Agricultural Sciences, Department of Environmental Systems Science, ETH Zürich, Zurich, Switzerland.
Johan SixInstitute of Agricultural Sciences, Department of Environmental Systems Science, ETH Zürich, Zurich, Switzerland.
Christian SchöbInstitute of Agricultural Sciences, Department of Environmental Systems Science, ETH Zürich, Zurich, Switzerland.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Intensive agriculture has major negative impacts on ecosystem diversity and functioning, including that of soils. The associated reduction of soil biodiversity and essential soil functions, such as nutrient cycling, can restrict plant growth and crop yield. By increasing plant diversity in agricultural systems, intercropping could be a promising way to foster soil microbial diversity and functioning. However, plant-microbe interactions and the extent to which they influence crop yield under field conditions are still poorly understood. In this study, we performed an extensive intercropping experiment using eight crop species and 40 different crop mixtures to investigate how crop diversity affects soil microbial diversity and activity, and whether these changes subsequently affect crop yield. Experiments were carried out in mesocosms under natural conditions in Switzerland and in Spain, two countries with drastically different soils and climate, and our crop communities included either one, two or four species. We sampled and sequenced soil microbial DNA to assess soil microbial diversity, and measured soil basal respiration as a proxy for soil activity. Results indicate that in Switzerland, increasing crop diversity led to shifts in soil microbial community composition, and in particular to an increase of several plant-growth promoting microbes, such as members of the bacterial phylum

Indexed as

annual crop yieldbiodiversity–productivity relationshipcrop diversificationintercroppingsoil microbial communitiessustainable agriculture

Identifiers

PMID33936016
PMCPMC8081861

What OpenQuestion holds

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Registered trials

None linked

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.