English: Earthworm burrows in a soil column
Example of burrows in a soil column after 28 days showing the drilosphere and soil matrix. The different texture of material around burrows is due to casts of earthworms and shows excretion occurs throughout burrows.
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Uploaded a work by Wiebke Mareile Heinze, Denise M. Mitrano, Elma Lahive, John Koestel and Geert Cornelis from [https://pubs.acs.org/doi/full/10.1021/acs.est.1c05614] {{doi|10.1021/acs.est.1c05614}} with UploadWizard