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| Web URL(s): | http://archive.lib.msu.edu/tic/mitgc/article/19882b.pdf
Last checked: 02/13/2009
Requires: PDF Reader |
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| Publication Type:
| Proceedings |
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| Author(s): | Rieke, P. E.;
McElroy, M. T.;
Lee, Douglas |
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| Author Affiliation: | Crop and Soil Sciences, Michigan State University |
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| Title: | 1987 Turfgrass soil research report: [I. Topdressing programs and nitrogen fertility] |
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| Meeting Info.: | East Lansing, MI: January 18-20, 1988 |
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| Source: | Proceedings of the 58th Annual Michigan Turfgrass Conference. Vol. 17, 1988, p. 2-6. |
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| Publishing Information: | East Lansing, MI: Michigan State University |
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| # of Pages: | 5 |
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| Keywords: | TIC Keywords: Agrostis stolonifera; Potassium; Dew; Thatch; Golf green speed; Topdressing; Quality evaluation; Nitrogen fertilization
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| Abstract/Contents: | A study was conducted on the effects of topdressing programs on nitrogen fertility on a Penneagle creeping bentgrass golf green. Nitrogen was applied at two levels, 3 and 6 pds/100 sq ft annually, applied monthly. The topdressing soil materials were medium and fine sand, and a mixture of 2 parts sand to one part native sandy loam topsoil. "Plots receiving no topdressing frequently had poorer turf quality than topdressed plots. The turf became thatchy and puffy, resulting in scalping several times during the season. Although the infrequent sand topdressing regimes rated well, the potential for development of layers would likely result in subsequent management concerns for the future." Topdressing with sand or soil mix resulted in a thicker thatch layer than the untreated plot. Because no soil or sand was added to the check plots, the organic matter content of the thatch layer was much higher than in treated plots. Topdressing treatments did not influence the amount of organic matter generated by the grass. Higher nitrogen treatments resulted in turf that was more susceptable to wilt, plus all high nitrogen plots had little or no dew. There was little effect on Stimpmeter readings taken twice during the growing season. When taking a soil test on thatchy or heavily topdressed soils, sampling depth and technique are important. Until the thatch/topdressing layer reaches 3/4 inch in depth the thatch should be discarded, using only the soil below for testing. When the soil/thatch layer exceeds 1 inch, that layer should be sampled separately. When the layer exceeds 2 inches, that sample alone will suffice for soil testing in most cases. A significant difference was the lower available potassium levels on the higher nitrogen treated plots. When applying nitrogen at higher levels, or when sand topdressing, it is advisable to apply higher annual levels of potash, so as to provide a turf that is more stress tolerant. Tablulated results included topdressing effects on dew and Stimpmeter readings; topdressing and nitrogen fertilization effects on soil pH, Phosphorous and Potassium. |
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| Language: | English |
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| References: | 0 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Rieke, P. E., M. T. McElroy, and D. Lee. 1988. 1987 Turfgrass soil research report: [I. Topdressing programs and nitrogen fertility]. p. 2-6. In Proceedings of the 58th Annual Michigan Turfgrass Conference. East Lansing, MI: January 18-20, 1988. East Lansing, MI: Michigan State University. |
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| Web URL(s):
http://archive.lib.msu.edu/tic/mitgc/article/19882b.pdf
Last checked: 02/13/2009
Requires: PDF Reader |
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MSU catalog number: SB 433 .A1 M47 |
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