CGM Turf Management & Sports Field Maintenance 3

Question 1

What is 'dormant seeding' in sports turf management?

Accepted Answer

Applying grass seed in late fall or winter when temperatures prevent immediate germination

Answer

Seeding turfgrass during summer dormancy to establish before fall

Answer

Applying seed under a thick mulch layer to reduce evaporation in summer

Answer

Using heat-treated seed to delay germination until favorable spring conditions

Question 2

Which organization awards the Certified Grounds Manager (CGM) designation?

Accepted Answer

Professional Grounds Management Society (PGMS)

Answer

Golf Course Superintendents Association of America (GCSAA)

Answer

Sports Turf Managers Association (STMA)

Answer

American Society of Landscape Architects (ASLA)

Question 3

What is the primary benefit of a sand-based field construction system compared to a native soil field?

Accepted Answer

It provides superior drainage and resistance to compaction under heavy traffic

Answer

It reduces the initial construction cost significantly

Answer

It eliminates the need for supplemental irrigation entirely

Answer

It offers better nutrient retention than native soil profiles

Question 4

Which pest is the larval stage of Japanese beetles and commonly causes root damage on sports turf?

Accepted Answer

White grubs

Answer

Armyworms

Answer

Chinch bugs

Answer

Sod webworms

Question 5

In an integrated pest management (IPM) program for sports turf, what is the FIRST required step when a pest is suspected?

Accepted Answer

Correctly identify the pest and determine whether populations exceed action threshold levels

Answer

Apply a broad-spectrum pesticide immediately to prevent population spread

Answer

Core aerate the field to disrupt the pest's underground habitat

Answer

Overseed damaged areas to replace turf lost to the pest

Question 6

What is the 'grow-in' period for a newly constructed or renovated sports field?

Accepted Answer

The period needed for newly planted turf to establish roots and develop adequate wear tolerance before use

Answer

The time required for the field to dry completely after a heavy irrigation cycle

Answer

The recovery window between consecutive fertilizer applications during the growing season

Answer

The dormancy period after applying pre-emergent herbicides at establishment

Question 7

What is the recommended annual nitrogen application rate for a heavily used cool-season sports field?

Accepted Answer

3.0–6.0 lb N per 1,000 sq ft per year

Answer

0.5–1.0 lb N per 1,000 sq ft per year

Answer

1.0–2.0 lb N per 1,000 sq ft per year

Answer

8.0–10.0 lb N per 1,000 sq ft per year