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The best playing conditions with the fewest
inputs
Micah Woods
25 July 2017
Chief Scientist | Asian Turfgrass Center
www.asianturfgrass.com
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1. Thailand has an amazing variety of golfing surfaces
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1. Thailand has an amazing variety of golfing surfaces
2. Characteristics of these surfaces
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1. Thailand has an amazing variety of golfing surfaces
2. Characteristics of these surfaces
3. Five ways to improve conditions and reduce inputs
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Thailand has an amazing variety of
golfing surfaces
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Phunaka GC, Phuket
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Banyan GC, Prachuap Khiri Khan
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Siam CC Plantation Course, Chonburi
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Plutaluang Royal Thai Navy GC, Chonburi
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Characteristics of these surfaces
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Siam CC Plantation Course, Chonburi
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Siam CC Plantation Course, Chonburi
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ATC research area in 2008, Ayutthaya
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Grass growth and fertilizer experiment at TISTR, Pathum Thani
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Growth in response to nitrogen and water
Table 1: Clipping yield response per unit of nitrogen and water
supplied. Data from TISTR experiment (https://ashs.confex.
com/ashs/2017/meetingapp.cgi/Paper/27386).
Grass % N response % H
2
O response
zoysia (nuan noi) 154 130
paspalum (salam) 121 110
bermuda (Tifway 419) 100 100
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About water, the USGA say “it is essential for
everyone involved in the game to strive to
conserve and protect the world’s most vital
resource.”
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Sustainability in golf: “Optimising the playing
quality of the golf course in harmony with the
conservation of its natural environment under
economically sound and socially responsible
management.” – The R&A
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Five ways to improve conditions and
reduce inputs
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1. Control the growth rate
Keya GC, Fukuoka
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1. Control the growth rate
Riverdale GC, Bangkok
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1. Control the growth rate
Plutaluang Royal Thai Navy GC, Chonburi
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“Turfgrass management is managing the
growth rate of the grass to create the desired
playing surface for golf.” – Micah Woods
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A Short Grammar of Greenkeeping
http://www.asianturfgrass.com/books/
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2. Choose the right grass
Santiburi Samui CC, Surat Thani
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2. Choose the right grass
Ratchaprapha Dam GC, Surat Thani
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3. Use less water
Kirimaya Golf Resort, Nakhon Ratchasima
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3. Use less water
https://asianturfgrass.shinyapps.io/irrigation/
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4. Use less nutrients
Use only what the grass requires, for the growth rate necessary
at your course.
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“The fundamental principle of successful
greenkeeping is the recognition of the fact that
the finest golfing grasses flourish on poor soil
and that more harm is done by over-, rather
than underfertilizing.” – Alister MacKenzie
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5. Do less topdressing and less core aeration
Once the organic matter and growth rate are under control,
one shouldn’t need to topdress and aerate as often.
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5. Do less topdressing and less core aeration
Lamlukka CC, Pathum Thani
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www.asianturfgrass.com