1 Flashcards
What is the most common method of turf establishment?
Seeding
In any soil preperation….what is the first step?
Soil Testing
What is the minimum depth when rototilling to mix soils?
4-6”
When forminga subgrade…what two rules must be followed?
- The subgrade should be the same contour as the finished grade.
- Remove any debris from the subgrade before the topsoil is placed downs.
When soil tests are not available…what is a good standard fertilizer to mix into the soil prior to seeding?
10-20-20
a Starter fetilizer is high in _____ and low in _____.
Phosphorus
Nitrogen
KBG seeding rate:
1 - 1.5 lbs
Per. Rye seeding rate
7 - 9 lbs
Tall fescue seeding rate
7 - 9 pounds
creping bentgrass seeding rate
0.25 - 1.0 lbs
Colonial bentgrass seeding rate
0.5 - 1.0 lbs
Bermudagrass seeding rate
1 - 1.5 lbs
Why is is best to seed in late-summer/fall?
less weed competition
high soil temps than spring
What herbicide has the ability to inhibit the establishment of warm-season weeds without damaging the germination of cool season grasses?
Siduron
How long do you have to wait to apply Drive to a new seedbed of KBG or Perennial Ryegrass?
wait until new grass is at least 4 weeks old
White Tags on seed means what?
That it’s either “breeder seed” or “foundation seed”
what does it mean if the seed bag has a purple label?
It means that the seed is “registered seed”
What does it mean if the seed bag has a blue label?
the seed is “Certified seed”
A seed “mixture” is what?
a combinations of more than one species.
ex. KBG and Per. Rye
A seed “blend” is what?
A combination of cultivars of the same species.
ex. Argyle, Parade and America Kentucky Bluegrasses
Seed should generally have at least _____% germination?
85%
Seeding rates are determined by what two primary factors?
Growth Habit and Seed Size
What is Pregermination?
seeds soaked in water to speed germination prior to spreading them
How long should you wait to put herbicide down on new turf?
wait unti after the 3rd mowing
define renovation:
Killing the existing turf on the area and replacing it with new grass without grading, tilling
When plugging, you usually plant plugs on ____” centers
6” - 16” centers
Strip sodding uses pieces of sod that are ___ to ___ wide and laid in rows with ____ to ____ spaces between them.
3” to 6” wide
12” to 24” spaces
