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Web URL(s):https://archive.lib.msu.edu/tic/itgcs/article/1991feb16.pdf
    Last checked: 09/29/2008
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Publication Type:
i
Proceedings
Author(s):Rieke, Paul; Murphy, J. A.
Author Affiliation:Michigan State University
Title:Water injection cultivation: A new tool
Meeting Info.:Held: February 5-12, 1991, Las Vegas, Nevada
Source:Proceedings of the 62nd International Golf Course Conference and Show. 1991, p. 16-18.
Publishing Information:Lawrence, KS: Golf Course Superintendents Association of America
# of Pages:3
Keywords:TIC Keywords: Water injection cultivation; Hollow tine coring; Compaction; Thatch control; Equipment
Abstract/Contents:Describes core cultivation and the problems it alleviates. One type of core cultivation machinery is the Hydroject 3000. It uses high-pressure water injection as the mechanism for core cultivation. As the Hydroject 3000 moves across the putting green, it leaves a relatively clean surface and cuts holes into the soil ranging from 4 to 8 inches deep depending on soil condition. With the experiment prototype unit used in initial studies, holes as deep as 12 to 14 inches in some soils. The model now being marketed utilizes somewhat lower pressures for economic reasons. In 1988, a study began on a Penncross creeping bentgrass putting green on a loamy sand soil at the Hancock Turfgrass Research Center. The main study compared the use of the experimental prototype of the Hydroject (Water injection Cultivation or WIC) aerifier with the standard Hollow Tine Cultivation (HTC) want with no cultivation treatment (check). This study was evaluated intensively over a two- year period. The first observation made was that the WIC unit resulted in little surface disruption, making this a very desirable feature. Both HTC and WIC lowered bulk density and increased pore space compared to the check. The holes in the soil left by WIC tended to be smaller in diameter with less smooth sides than with HTC. Hollow tine coring loosened the surface inch of soil more than WIC, but WIC loosened the soil below that depth more than HTC. Hollow tine coring tended to reduce clipping yields shortly after treatment while WIC had essentially no effect on clippings. Cultivation techniques increased rooting below eight inches compared to the check with WIC having more deep roots than HTC on some dates.
Language:English
References:0
See Also:Other items relating to: AERIFY
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Rieke, P., and J. A. Murphy. 1991. Water injection cultivation: A new tool. p. 16-18. In Proceedings of the 62nd International Golf Course Conference and Show. Held: February 5-12, 1991, Las Vegas, Nevada. Lawrence, KS: Golf Course Superintendents Association of America.
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https://archive.lib.msu.edu/tic/itgcs/article/1991feb16.pdf
    Last checked: 09/29/2008
    Requires: PDF Reader
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