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Unformatted text preview: - They ingest organic residues and soil particles and pass them through their digestive tracts.- Under ideal conditions earthworms can ingest 15 tons of soil/acre/year.- This means that they can ingest the equivalent to an acre furrow slice (afs) in less than 100 years.- Charles Darwin studied earthworms...
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This note was uploaded on 07/23/2011 for the course NRES 201 taught by Professor Olson,k during the Spring '08 term at University of Illinois, Urbana Champaign.
- Spring '08