Full TGIF Record # 55808
Item 1 of 1
Publication Type:
i
Refereed
Author(s):Anderson, D. L.; Erbach, D. C.; Agnew, M. L.; Christians, N. E.
Author Affiliation:Anderson and Agnew: Department of Horticulture, Iowa State University, Ames, Iowa; and Erbach: USDA-Agricultural Research Service, National Soil Dynamics Laboratory, Auburn, Alabama; and Christians: Ciba-Geigy, Greensboro, North Carolina
Title:Measuring soil compaction in a turfgrass system with the soil-strain gauge
Section:Physical turf attributes and construction methods and materials: Contributed papers
Other records with the "Physical turf attributes and construction methods and materials: Contributed papers" Section
Meeting Info.:Sydney, Australia: 1997
Source:International Turfgrass Society Research Journal. Vol. 8, No. Part 1, 1997, p. 37-45.
Publishing Information:Blacksburg, VA: International Turfgrass Society
# of Pages:9
Keywords:TIC Keywords: Compaction; Measurement; Festuca arundinacea
Abstract/Contents:"Compaction research on turfgrass generally uses the undisturbed soil sample method to measure soil physical properties. This method of analysis requires extensive soil sampling that is time consuming and disruptive to the soil surface. A soil-strain gauge has been developed that is capable of recording final soil strain caused by a compactive force, as well as dynamic effects as the soil is compacted. The purpose of this study was to evaluate the soil-strain gauge for measuring compaction of soil in a turfgrass stand. Tall fescue (Festuca arundinacea Schreb.) cv. 'Rebel Jr.' was subjected to autumn and summer compaction applied with a smooth powered roller to simulate the compactive stress associated with athletic field use. Strain gauge measurements showed that the first pass of the roller caused the largest plastic strain. The amount of additional compaction decreased with each subsequent pass. Plastic strain created by the tenth pass was approximately 10% of the strain measured for the first pass. Strain gauges measured approximately 80% less strain in the 3-9 cm deep soil layer thank in the 0-6 cm deep layer. Though the soil-strain gauge can be used to measure dynamic and final compaction in a turfgrass system, an improved method of positioning the gauge for measurement of compaction in the surface layer is needed and a more weather resistant gauge that could be placed in the soil for extended periods would improve the usefulness of the device."
Language:English
References:18
Note:Figures
Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Anderson, D. L., D. C. Erbach, M. L. Agnew, and N. E. Christians. 1997. Measuring soil compaction in a turfgrass system with the soil-strain gauge. Int. Turfgrass Soc. Res. J. 8(Part 1):p. 37-45.
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