Full TGIF Record # 13685
Item 1 of 1
Publication Type:
i
Report
Author(s):Potter, Daniel A.
Title:Degradation of Turfgrass Thatch by Earthworms and Other Soil Fauna
Source:Kentucky Turfgrass Research. No. 313, 1987, p. 23-24.
Publishing Information:Lexington, KY: University of Kentucky, College of Agriculture, Cooperative Extension Service
Keywords:TIC Keywords: Thatch decomposition; Microorganisms; Earthworms; Decomposition; Poa pratensis
Abstract/Contents:Reports extent of the role that earthworms, small invertebrates, and microorganisms have in the decomposition of thatch into soil in a Kentucky bluegrass turf. Several hundred pieces of thatch (7.5 x 12 cm) enclosed in nylon mesh bags with various sized openings were buried under a Kentucky bluegrass turf. The mesh allowed all organisms, smaller invertegrates excluding earthworms, or only micro-organisms to enter depending on the size of openings. In another test, thatch in nylon mesh bags with large openings were burried in earthworm rich soils, and in soils where earthworms had been eliminated by chloridane applications. Every 3-4 months, the bags were dug up and contents were evaluated. Thatch decomposition nearly doubled when subjected to earthworms. Microbial activity more than doubled from plots where earthworms were excluded, confirming that earthworms play a major role in thatch degradation.
Language:English
References:0
See Also:See also 1986 research report in Kentucky Turfgrass Research, no. 303 1986, p. 31-32, R=19486. R=19486

See also research update in Kentucky Turfgrass Research, no.319 1988, p. 32-36, R=19358. R=19358
See Also:Other items relating to: BIOTHATCH

Other items relating to: WORMS
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Potter, D. A. 1987. Degradation of Turfgrass Thatch by Earthworms and Other Soil Fauna. KY. Turfgrass Res. 313:p. 23-24.
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