CH Turfgrass Management 2

Question 1

Which soil pH range is generally considered optimal for most turfgrasses?

Accepted Answer

6.0–7.0

Answer

4.5–5.5

Answer

7.5–8.5

Answer

8.5–9.5

Question 2

What is the primary advantage of sodding over seeding when establishing a new lawn?

Accepted Answer

Sodding provides instant, erosion-resistant coverage while seeding takes weeks to months to establish

Answer

Sodding uses exclusively warm-season grasses while seeding uses cool-season types

Answer

Seeding is always more expensive per square foot than sodding

Answer

Sod cannot be used on slopes greater than 3:1

Question 3

Which turfgrass spreads primarily by stolons (above-ground runners)?

Accepted Answer

Bermudagrass

Answer

Kentucky bluegrass

Answer

Tall fescue

Answer

Perennial ryegrass

Question 4

When is the best time to seed cool-season grasses in the northern United States?

Accepted Answer

Late summer to early fall (August–September)

Answer

Early spring (March–April)

Answer

Midsummer (June–July)

Answer

Midwinter (December–January)

Question 5

What is topdressing in turfgrass management?

Accepted Answer

Spreading a thin, uniform layer of material such as sand or compost over the turf surface

Answer

Applying a post-emergent herbicide to the surface of the turf

Answer

Mowing at a higher height to cover thin or bare spots

Answer

Adding granular fertilizer on top of a straw mulch layer

Question 6

Zoysiagrass is best characterized as:

Accepted Answer

A warm-season grass known for dense, slow-growing, wear-tolerant turf

Answer

A cool-season grass with excellent cold hardiness in northern climates

Answer

A bunch-type grass with no lateral spreading ability

Answer

A shade-preferring grass that thrives in northern climates

Question 7

Pre-emergent herbicides for crabgrass control are most effective when applied:

Accepted Answer

When soil temperatures consistently reach 55–60°F at a 4-inch depth in spring

Answer

After crabgrass has fully germinated and plants are actively growing

Answer

Before soil temperatures reach 55°F at a 4-inch depth in spring

Answer

In fall after the first killing frost to prevent spring germination