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Unformatted text preview: The activities of small burrowing animals such as earthworms, can have very beneficial effects on soil tilth and fertility. Animals Animals Large animals burrow in the soil: Burrowing mixes the soil and help aeration. The burrows only affect water movement when an excess of water occurs on the soil surface. Badger, a prodigious digger!...
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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