Lawn Care, Chapters 35-36-37

For lawn establishment, there should be ______ inch(es) of topsoil spread evenly over the subsoil.

6 inches

The general slope for a lawn should not exceed ___ percent.

15%

It tiling is used to provide soil drainage for a lawn, it should be placed about _____ below the surface.

3 ft

Starter fertiliser which is high in ___ should be used for lawn establishment.

Phosphorus

Most lawn grasses require a soil pH of from.

6\.0 to 6.5

Small lawn seeds should be covered with ___ inch(es) of soil.

1/8 to 1/4 inches

Sod should be cut from ___ inch(es) thick.

3/4 to 1 inch

Plugs of sod for spot sodding are paced from ___ inches apart.

8 to 12 inches

For strip sodding, the 2 to 4 inch wide strops are placed in rows ___ inches apart

12 inches

Planting individual plant, runners, cutting , or stolons at spaced intervals is called ____.

sprigging

Lime moves down into the soil at a rate of about ___ inch(es) per year.

1/2 to 1 inch

Lawn soils that are too alkaline should be treated with ____ to lower the pH.

lime

Lawns should receive an application of turf fertilizer every _____.

Year

Established lawns require a fertilizer high in ___.

nitrogen

No more than ___ of the lawn’s top growth should be removed in one mowing. (fraction)

1/3

No more than ___ inch(es) of the lawn’s top growth should be removed in one mowing.

1 inch

Each application of water should provide at least ____ inch(es) of water to the lawn.

1 inch

Which of the following is not a result of thatch buildup in the lawn?

* reduced aeration
* reduced water penetration
* reduced fertility
* increased insect problems
* increased disease problems

reduced fertility

As a general rule, the lawn should be reseeded if more than ____ of the grass plants are dead and large bare spots exist.

1/3

Weed siller should not be used for __ month(s) after a new lawn seeding is made.

3 months

As a general rules, any spot of dead or weak grass over ___ in diameter should be renovated.

1 foot

Peat moss is a good mulch material. true or false

false

Straw is a good mulch material to use for lawn establishment. true or false

true

The soil in the planting area for sod is prepared in the same manner as for seeding. true or false

true

Stolonization is usually done by hand. True or false

False

The best time to apply lime to an established lawn is in the spring. true or false

false

Organic fertilizer is less likely to cause fertilizer burn on lawns than is inorganic fertilizer. True or false

true

Most lawns are cut too short. True or false

true

Cool season grasses are cut shorter than are warm season grasses. true or false

false

Grass clippings should be left on the yard to provide organic matter. True or false

true

Chemicals should be the first method used to control woods in the lawn. true or false

false

2, 4-D is a chemical commonly used to kill broadleaf weeds in lawns. true or false

true

Most lawn diseases are caused by fungi. True or false

true

Fungus diseases can easily be spread throughout the lawn. true or false

true

Insects may attack both the above- ground and below- ground parts of lawn plants. true or false

true

Spot patching involves sodding weak areas of the lawn to renovate it. true or false

true

The procedure for spot seeding of renovation spots is the same as that used when seeding a new lawn. true or false

true

Lawn renovation should be done just prior to the lawn’s most active growing season. true or false

true

Moss growth can crowd out grasses in an existing lawn. true or false

false

Moss is a weed which may grow in lawns. true or false

true

List the 2 types of chemical weed killers used on lawns and explain how each controls the weeds

Pre Emerging- kills early weeds Reemerging- kills reocurring weeds