Fairway Terminology InfoGuide
Fine-leafed Fescues —
Fine-leafed fescues perform best on well-drained, moderately shaded sites and
droughty, infertile, acid soils. They are intolerant of wet conditions and high fertility.
Fescues are used in seed mixtures (polystands) with Kentucky bluegrass or colonial
bentgrass in cooler temperate and subarctic climates and with perennial ryegrass for
overseeding warm-season turfs in subtropical climates for winter play and color.
Grain —
The tendency for grass and runners to grow horizontally. Most turf grasses grow
horizontally in one direction. The horizontal growth occurs because of influences such as
sun, wind, water, mowing or rolling the grass in the same direction. Horizontal growth
can be discouraged by verticutting and varying mowing patterns.
Grass as a Lubricant—
Lubrication is required to help prevent heat build-up due to friction between the
bedknife and reel blades. This lubrication is normally provided by the grass that is being
cut. Without lubrication, excessive heat build-up will cause uneven bedknife wear and
poor quality of cut. Therefore, the reels must be disengaged whenever the mowers are
not cutting for lengths of time longer than normal turnarounds.
Grinding —
Back grinding (single blade) - the grinding wheel engages one blade at a time and
passes down the length. The blade can be ground with a relief angle so that the amount of
land is reduced.
Cylindrical - the reel is rotated as the grinding wheel passes down the reel, creating a true
cylinder. It is not possible to create a relief angle while using a cylindrical grinder.
Height of Cut or Cutting Height —
BENCH SET: The height at which the top edge of the bedknife is set above a flat
level surface that contacts the bottom of both the front and rear roller
EFFECTIVE HEIGHT OF CUT: The height of cut on the turf. This will usually be
higher than the bench setting because the rollers/wheels will not sink into the turf to the
ground level.
Generally, within the H.O.C. range for a given species or cultivar, mowing too closely
weakens the plant, causes shallow rooting, lowers resistance to drought, increases
susceptibility to fungus diseases, and encourages thinning of turf. In addition, close
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