Environmental Engineering Reference
In-Depth Information
Stresses, turf-grass:
Force that tends to strain or damage turf-grass,
like drought, extreme temperatures, pests and the mechanics of player
traffic.
Surfactant:
A chemical additive that improves spreading, dispersing
and/or wetting properties.
Syringing:
The process of lightly watering turf, mainly to cool the turf
canopy.
Thatch:
An intermingled layer of living and dead grass stems, roots,
and other organic matter found between the soil surface and the grass
blades.
Tissue test:
The chemical analysis of plant leaves to determine the level
of nutrients present in the plants.
Top-dressing:
The addition of sand or soil to the surface of the turf to
level the turf surface and promote thatch decomposition.
Vegetative planting:
Installation of turf-grass by distribution of live
plant material, such as sprigging plugging or sodding.
Viruses:
Disease-causing sub-microscopic organisms.
Volatilization:
Conversion from a liquid to a gas.
Warm-season grasses:
Grass species adapted to a climatic area where
winter is relatively mild and daytime temperatures during the growing
season are usually above 25-28
8
C.
