Journal
EUROPEAN JOURNAL OF SOIL SCIENCE
Volume 69, Issue 3, Pages 407-413Publisher
WILEY
DOI: 10.1111/ejss.12535
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Funding
- Indian Council of Agricultural Research
- H2020 project 'ECOPOTENTIAL: Improving Future Ecosystem Benefits Through Earth Observations'
- European Union's Horizon 2020 research and innovation programme [641762]
- BBSRC Designing Future Wheat project
- BBSRC/NERC ASSIST project
- Biotechnology and Biological Sciences Research Council [BBS/E/C/000I0220] Funding Source: researchfish
- Natural Environment Research Council [NE/N018125/1] Funding Source: researchfish
- BBSRC [BBS/E/C/000I0220] Funding Source: UKRI
- NERC [NE/N018125/1] Funding Source: UKRI
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In this study, we explored the effects of microbial activity on the evaporation of water from cores of a sandy soil under laboratory conditions. We applied treatments to stimulate microbial activity by adding different amounts of synthetic analogue root exudates. For comparison, we used soil samples without synthetic root exudates as control and samples treated with mercuric chloride to suppress microbial activity. Our results suggest that increasing microbial activity reduces the rate of evaporation from soil. Estimated diffusivities in soil with the largest amounts of added root exudates were one third of those estimated in samples where microbial activity was suppressed by adding mercuric chloride. We discuss the effect of our results with respect to water uptake by roots.
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