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Published online by Cambridge University Press: 05 December 2011
Laboratory soil samples are disturbed soils which resemble the arable condition so common in the external world. They have many advantages for study of colonisation of buried substrates and activity may be monitored continuously by the use of a newly-developed automatic electrolytic respirometer. A condensed account of experiments is given in which colonisation of hair in soil samples is followed by measurement of overall metabolism and by direct microscopy.