Benefits of Turf in the Landscape - STMA · 2018-02-12 · Benefits of Turf in the Landscape Joann...
Transcript of Benefits of Turf in the Landscape - STMA · 2018-02-12 · Benefits of Turf in the Landscape Joann...
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Benefits of Turf in the Landscape
Joann Gruttadaurio
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WHO NEEDS TO KNOW?
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Let’s Define “Landscape”
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Let’s Define “Landscape”
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GRASS IS GOOD
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So why the bad rap?
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So why the bad rap?
Water Fertilizer Mowing Pesticides Labor $$$
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Some propose…
Reducing or eliminate turf
Use of native plants
Use of ground covers
Replacing with hardscaping
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GRASS IS GOOD
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Environmental Benefits
Soil erosion control Storm water reduction
Air pollution control Oxygen production
Carbon storage Heat dissipation
Cooling Effect Noise abatement
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Soil Erosion Control
Protects the soil
infiltration
wind & water movement
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filters water that percolates through the soil
contributes organic matter
highly efficient @ taking up nutrients
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Storm Water Reduction
Thin lawns 7.5x more runoff
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Air Pollution Control
Turf traps an estimated 12 million tons of dust & dirt
that is released into the atmosphere each year
Dr. Thomas L. Watschke, Penn State University
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Oxygen Production
Photosynthesis
Results
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Oxygen Production
A 50’ x 50’ well-maintained lawn creates enough O2
to meet the needs of a family of 4/day
Dr. Thomas L. Watschke, Penn State University
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Carbon sequestration
Carbon dioxide (CO2) from the atmosphere is absorbed by trees, plants, grass and crops through photosynthesis, and stored as carbon in biomass (tree trunks, branches, foliage and roots) and soils.
"Sinks" refer to forests, croplands, turf and grazing lands, and their ability to sequester carbon.
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Carbon Storage
Lawns are a carbon sink. If clippings are left to decompose on their lawn, the U.S. lawn areas could store up to
37 billion lbs. C
Cristina Milesi, NASA Ames Research Center - 2006
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Cooling Effect
The front lawns on a block of 8 average homes have the cooling effect of 70 tons of air conditioning
Maryland Turfgrass Survey 1996 – An Economic Value Study
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Heat Dissipation
Grassed surfaces reduce temperatureextremes by absorbing the sun’s heatduring the day and releasing it slowlyin the evening, thus moderatingtemperatures.
Maryland Turfgrass Survey 1996 – An Economic Value Study
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Temperature of Surfaces at BYU Practice Fields in June 2002
Average air temp 81.42°FAverage Surface Temp between
7:00 am – 7:00 pm
Average HighSoccer (synthetic 117.38°F 157°FFootball (synthetic) 117.04°F 156°FNatural Turf 78.19°F 88.5°F
Concrete 94.08°FAsphalt 109.62°FBare soil 98.23°F
Synthetic Surface Heat Studies: C. Frank Williams and Gilbert E. PulleySTMA Conference 2004
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Abatement
Noise level reduced
Glare and light reflected
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Health Benefits
A natural place to recreate
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Health Benefits
Aids in stress reduction
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Health Benefits
Closely mown areas number of nuisance pests
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Safety First
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Impact Absorption Values for High School Athletic Fields vs Other Surfaces
Impact Hammer Weight
Type of Surface 0.5 kg 2.25 kg
G max rating*
High School athletic field 50-286** 33-167
Artificial turf 109-172 60-91
Frozen practice field 404 303
Tiled, concrete basement floor 1440 1280
Carpet & pad on tiled concrete floor 260 190
Carpet & pad on hardwood floor 86 134
Rogers et al 1988
* G max = maximum deceleration (harder surfaces have greater Gmax values
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Economic Benefits
Improves property value
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Increase property value
15%
Source: The Lawn Institute
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Increase property value
6%
Source: The Lawn Institute
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Community Benefits
Beautifies properties...sense of pride
A natural place to recreate
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CommunityPlaying Fields
Community Parks
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So why the bad rap?
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So why the bad rap?
Water Fertilizer Pesticides Labor $$$
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Grass uses lots of water
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Grass requires lots of fertilizer
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Grass requires pesticides to maintain quality
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Grass requires lots of $$$ to maintain
?
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Grass requires too much labor to maintain
?
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How will you communicate the value/ importance of turf
to your…
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Different objectives call for different approaches
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Maintain turf with the environment in mind Do it correctly Show how limited resources are being
used wisely Identify areas where turf is not the
best ground cover Focus on high profile areas to show
your expertise
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RESOURCES FOR YOU
STMA: Natural Grass Athletic Fields
The Lawn Institute: Turfgrass Lawn Guide –Benefits of Turfgrass (www.thelawninstitute.org)
USDA-CSREES, et al: Green Lawns – Promoting Environmental Stewardship (www.growinggreenlawns.org)
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SOURCES USED
Drs. James B. Beard and Robert L. Green, The Role of Turfgrasses in Environmental Protection and Their Benefits to Humans, Journal of Environmental Quality, vol.23, no.3, May-June 1994