Getting Buckets
Micah Woods
Chief Scientist
Asian Turfgrass Center
www.asianturfgrass.com
2 December 2019
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#ClipVol
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Five reasons why
1. Growth rate
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Five reasons why
1. Growth rate
2. Green speed
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Five reasons why
1. Growth rate
2. Green speed
3. Nutrient use and supply
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Five reasons why
1. Growth rate
2. Green speed
3. Nutrient use and supply
4. Consistency
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Five reasons why
1. Growth rate
2. Green speed
3. Nutrient use and supply
4. Consistency
5. Topdressing
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1. Growth rate
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Old Course, St. Andrews
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Kashima Soccer Stadium, Japan
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Royal Bangkok Sports Club
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Siam CC Plantation Course, Thailand
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photo courtesy of Evan Mascitti
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2. Green speed
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greenkeeper Andrew McDaniel (@drumcturf) at Keya GC, Japan
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Keya GC, Japan
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Keya GC, Japan
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Keya GC, Japan
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Eric Reasor project, photo at Koshigaya GC, Saitama, Japan
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3. Nutrient use and supply
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Nichino Ryokka research center at Chiba, Japan
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Chiba, Japan
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For bentgrass, with every 1 mL/m2, expect a dry matter harvest of
0.06 g/m2.
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Then resupply as desired
For example, 500 mL/m2 of bentgrass ≈ 1.2 g N/m2.
And 0.6 g K/m2. And so on.
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4. Consistency
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Augusta National GC, USA
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Keya GC, Japan
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5. Topdressing
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Tifeagle, Thailand
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“41% of members and players complain that sanded greens play
poorly, according to turf managers who participated in recent GCI
research.”
GCI Magazine—April 2018
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Kanto region, Japan
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Table 1: Annual clipping volume at that location from 2013 to 2016
Year Volume Estimated dry weight N applied
L/m2 g/m2 g/m2
2013 4.4 266 NA
2014 3.4 201 13
2015 2.9 172 10
2016 2.4 142 8.5
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1. Growth rate
2. Green speed
3. Nutrient use and supply
4. Consistency
5. Topdressing