Full TGIF Record # 33755
Item 1 of 1
Publication Type:
i
Report
Author(s):Kerkman, Christopher L.; Kussow, Wayne R.
Author Affiliation:Department of Soil Science, University of Wisconsin-Madison
Title:Performance standards for amendments in sand matrix putting greens
Source:Wisconsin Turf Research: Results of 1994 Studies. Vol. 12, 1994, p. 31-42.
Publishing Information:Madison: University of Wisconsin, in cooperation with the Wisconsin Turfgrass Association.
# of Pages:12
Keywords:TIC Keywords: Golf greens; Soil amendments; Quality evaluation; Soil water retention; Soil analysis; Agrostis; Clippings; Hydraulic conductivity; Root zone mixture
Abstract/Contents:"The goal of this project is to establish criteria for selection of amendments for blending with sand to create rootzone mixes for putting greens. The project consists of laboratory, greenhouse, and field studies. Results of the laboratory characterizations of a wide array of organic amendments, their performance in simulated greens in the greenhouse, and the establishment year performance of putting greens constructed at the O. J. Noer Turfgrass Research and Education Facility were presented in our 1993 report. This year's report covers observations taken on the putting green during 1994, the second year of the field study, and data collected in late-1993. This year we observed that second-year quality ratings show strong dependence on moisture retention in the entire root zone. Thus, we conclude that, up to this point, moisture retention is the key to having high-quality, USGA-type putting greens. As far as the type of organic amendment is concerned, moisture retention is best determined by fiber content. The higher the fiber content, the lower the moisture retention in the rootzone mix. Peat fiber content is also the primary determinant of the saturated flow rates of sand matrix putting greens constructed with different kinds of organic amendments. But in this case, flow rates increase with incresing peat fiber content. We have yet to see water ponding on the Iowa peat putting green, whose hydraulic conductivity is 10.5 inches/hour after compaction in the laboratory. On this basis, indications are that for out climate, it is possible to use peat with as little as 30% fiber, but a relatively high moisture retention capacity."
Language:English
References:0
Note:Tables
Figures
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Kerkman, C. L., and W. R. Kussow. 1994. Performance standards for amendments in sand matrix putting greens. Wis. Turfgrass Res. Rep. 12:p. 31-42.
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