One reason modern horticulture fabrics used in landscaping are said to be better than black polyethylene film is they: - ANSWERAllow exchange of gasses between soil and air
A privacy fence should be at least ____ feet high if the purpose is to screen the view of neighbors at ground level or others...
One reason modern horticulture fabrics used in landscaping are said to be better than black
polyethylene film is they: - ANSWERAllow exchange of gasses between soil and air
A privacy fence should be at least ____ feet high if the purpose is to screen the view of neighbors at
ground level or others walking near the property at the same elevation. - ANSWER8
Which of the following watering systems can reduce water usage by as much as 80%. - ANSWERDrip
or Trickle irrigation
Clay soils require: - ANSWERA longer time for absorption of irrigation water than sandy soils
Which would not be part of a lawn irrigation system? - ANSWERDifferential valve
Which of the following is microscopic? - ANSWERNematodes
A pre-emergence herbicide is applied - ANSWERBefore the weed seeds germinate
When using heat to sterilize/pasteurize soil, the soil should be heated to: - ANSWER180 F for 30
minutes
A plant pathologist studies plant: - ANSWERDiseases
Scientific names generally consist of two words, the first being the genus and the second being the: -
ANSWERSpecific epitaph
Though not recommended, if 2-cycle engine fuel is actually used in a 4-cycle engine, - ANSWERThe
engine will likely smoke a lot, but it will run
A shade loving border plant is: - ANSWERImpatiens
The optimum germination temperature for most bedding plant seeds is: - ANSWER75 to 85 F
Which of the following is true about lady bug beetles? They: - ANSWEREat aphids
An important step in properly composting landscape refuse is to: - ANSWERThoroughly moisten each
layer of material
When Alan finished sharpening his rotary mower blade, he noticed that his mower vibrated and
shook so bad that he could hardly control it. What was wrong? - ANSWERThe blade was out of
balance
Water availability, temperature extremes, and __________ should be considered when selecting
trees for the landscape. - ANSWERSoil type
When installing a landscape, which step (from the following list) should be completed FIRST: -
ANSWERInstall the drainage system
Which of the following groups contains only deciduous plants? - ANSWERCedar Elm, Carya
illinoinensis, Red Oak
, Soil around the foundation of a house is often more alkaline than surrounding soil due to which of
the following? - ANSWERLeaching from the masonry mortar on the home and the masonry debris
from construction
Liriope and Ajuga are generally classified as: - ANSWERGroundcovers
A large perennial that provides a general effect of mass and grows in excess of five feet is: -
ANSWERPampas grass
Which of the following describes plants that lose their leaves during the winter? - ANSWERDeciduous
The viability of a group of seeds is measured by: - ANSWERThe germination percentage
An "x" in the botanical name of a plant means the plant: - ANSWERIs a true hybrid
The use of plant materials and landscaping techniques to conserve soil moisture and to reduce water
usage is: - ANSWERXeriscaping
Soil texture refers to: - ANSWERThe size of soil particles
Plants usually so not grow well in poorly drained soils because: - ANSWEROxygen content is low in
poorly drained soils
Underground stems with scale-like fleshy leaves (leek and onion) are called: - ANSWERBulbs
Light energy, carbon dioxide, and water enter into the process of photosynthesis, through which: -
ANSWERCarbohydrates are formed
Which of the following definitions best describes "auxin?" - ANSWERA naturally occurring plant
hormone that promotes plant growth
Which of the following groups contains only evergreen plants? - ANSWERAmerican arborvitae,
Camellia, Japanese Yew
If a two-cycle engine on a weed trimmer uses a 24:1 fuel ratio, you should mix: - ANSWER24 parts
gasoline to 1 part oil
Plants sold in the landscape trade are sold by __________ name. - ANSWERBotanical
Mrs. Thompson loves spring flowering bulbs. Which of the following would you suggest for Mrs.
Thompson to plant? - ANSWERHyacinthus orientalis cv.
The process in which water, grass seed, fertilizer, cellulose fiber and a glue type material are mixed
together and sprayed onto the soil to establish turf is called __________. - ANSWERHydroseeding
Which of the following best describes seed scarification? - ANSWERRemoving some of the seed coat
with a fine, sandpaper, or acid solution
A "spreader-sticker" added to the spray solution causes the chemical to: - ANSWERBetter cover the
plant surface and resist being washed off by rain and irrigation
Most landscape plants like the soil pH: - ANSWERSlightly acidic
When planting a bare-rooted tree, the tree should be planted: - ANSWERDirectly even with the
original soil level
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