Nursery/landscape 22-26 Set 3

Which of the following are most pressing current issues for the landscape maintence industry:

• Labor availability, exhaust and noise pollution

• invasive insect and plants

• turf decline and herbicide resistance

• battery powered equipment, power blower and string trimer safety

Low-growing landscape plants should:

• not be used in the landscape

• be planted

• be placed behind intermediate growing plants

• be placed in front of intermediate growing plants

The Oak Leaf Nursery advertised a group of trees calipers of 3 inches. In the trase, it is assumed that this measuerment was taken.

• 18 inches above the groundlevel

• at the base of the rootball

• at the breast height (4 1/2 feet above the rootball)

• 6 inches above ground level

The landscape design principle of interconnection:

• is a visual break in sequence

• occurs when a visual components are physically linked together

• is the human perception of space and form related to human dimension

• is the overall organization

informal landscape

• are constructed with asymmetrical balanced and curved lines

• includes shears and sculpted hedges

• usually contain straight, not curved, lines

• contain geometric patterns and perfect balance

Which of the following can be said about applying an herbicide to a lwn in granular form rather then as a liquid spray?

• There is little or no drift from granular form

• most broadleaf weeds have developed resistance to liquid herbicide sprays

• the liquid form is much more expensive

• the amount of active ingredients needed is greatly reduced with the granular form

mowing the lawn in a diffrent direction each time helps reduce the chance of

• causing excess wear on one area of the mower

• excess wear on one part of the mower blade

• spreading disease and insect

• soil compaction and undesirable grain set

Shrubs planted in small groups in the landscape are generally placed in:

• groups of 4

• odd numbers(3,57)

• groups of 2

• even numbers groups(2,4,6)

When installing a landscape, which step(from the following list) should be completed LAST?

• plant tress and shrubs

• install drainage system

• build retaining walls and garden walkways

• add amendments to the soil

What part of a lawn mower prevents dust from entering the carburetor?

• Hydraulic system

• air filter

• crankcase

• exhaust chute