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Acetylene reduction in artificial soil aggregates amended with cellulose, wheat straw, and xylan

, : Acetylene reduction in artificial soil aggregates amended with cellulose, wheat straw, and xylan. Canadian Journal of Microbiology 20(11): 1503-1507

When 1 cm diameter, waterlogged, sandy clay loam soil aggregates were amended with 2% (w/w) cellulose or 2% (w/w) wheat straw, significant C2H2-reduction activity developed. The only N2-fixing bacteria which proliferated were anaerobes or facultative anaerobes. The anaerobic bacteria in aerobically incubated, cellulose-amended aggregates proliferated more slowly than those in anaerobically incubated aggregates, but eventually produced a higher maximum rate of C2H2 reduction.


PMID: 4434257

DOI: 10.1139/m74-234

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