Pennsylvania State University TURF 100 Quiz #8 1)A general rule of thumb for mowing is to not remove more than the following amount of verdure: a. 1/4 b. 1/3 c. 1/2 d. 2/3 Which of the following contains a list of mower types used in the turfgrass industry? Reel, rotary, and flail Horizontal, vertical, and mulching Common, high tech (including self-adjusting clip of the reel), and string Blade, string, and mulching None of the above Which of the following is a result of excessive nitrogen fertilization. reduced shoot growth improved root growth reduced environmental stress tolerance increased stress tolerance Which of the following is not considered to be a fate of nitrogen in a turf system: gaseous loss leaching immobilization clipping removal All of the above are considered to be fates of nitrogen in a turf system Calcium, magnesium, and sulfur are considered secondary nutrients. true false Marcelling usually occurs when: amount of clippings in the basket is excessive. the rollers

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Pennsylvania State University TURF 100 Quiz #8 1)A general rule of thumb for mowing is to not remove more than the following amount of verdure: a

Business Jul 19, 2021

Pennsylvania State University

TURF 100

Quiz #8

1)A general rule of thumb for mowing is to not remove more than the following amount of verdure:

a. 1/4

b. 1/3

c. 1/2

d. 2/3

Which of the following contains a list of mower types used in the turfgrass industry?
1. Reel, rotary, and flail
2. Horizontal, vertical, and mulching
3. Common, high tech (including self-adjusting clip of the reel), and string
4. Blade, string, and mulching
5. None of the above

Which of the following is a result of excessive nitrogen fertilization.
1. reduced shoot growth
2. improved root growth
3. reduced environmental stress tolerance
4. increased stress tolerance

Which of the following is not considered to be a fate of nitrogen in a turf system:
1. gaseous loss
2. leaching
3. immobilization
4. clipping removal
5. All of the above are considered to be fates of nitrogen in a turf system

Calcium, magnesium, and sulfur are considered secondary nutrients.
1. true
2. false

Marcelling usually occurs when:
1. amount of clippings in the basket is excessive.
2. the rollers are ribbed versus solid.
3. the clip of the reel is greater than the mowing height.
4. the blade of a rotary mower needs sharpening.

Turfgrass shoots grow faster after being cut by sharp mower blades compared to dull mower blades.
1. true
2. false

What do we call the excessive removal of green shoot tissue resulting in exposure of unsightly shoot stubble or bare earth?

1. close mowing
2. stubble
3. divots
4. scalping
5. balding

Fertilizer program typically determine their application of nitrogen based on soil tests.
1. true
2. false

(Bonus) One benefit of returning mower clippings back to the turf is:
1. keeps a clean playing surface
2. prevents the removal of disease-causing organisms
3. develops an excessive thatch layer
4. recycles nitrogen back to the turf
5. keeps equipment nice and clean

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