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CPH Review(updated)questions and answers
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CPH Review(updated)questions and answers
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CPH ReviewWhich types of plants are more likely to be injured by intracellular ice formation?
a. Deciduous trees
b. Herbaceous plants
c. Hardy shrubs
d. Container grown plants - correct answer ✔✔(b)
Based on the optimum growth needs of vegetable plants, which soil pH range is
recommended?
a. 7.0-7.3
b. 6.3-6.5
c. 5.7-6.0
d. 5.0-5.5 - correct answer ✔✔(b)
When establishing a lawn, which fertilizer element is important in producing a stringer
root and faster top growth of grass seedlings?
a. Nitrogen
b. Potassium
c. Phosphorus
d. Calcium - correct answer ✔✔(c)
What is the best diameter for a root ball when root pruning a tree/shrub with a stem
diameter 3 inches?
a. 48 inches
b. 30 inches
c. 24 inches
,d. 15 inches - correct answer ✔✔(b)
Which two environmental factors have the greatest impact on energy conservation?
a. Wind and soil
b. Sun and wind
c. Temperature and soil
d. Humidity and temperature - correct answer ✔✔(b)
A protective measure for in-ground ornamentals is the use of pine bark, compost, fir bark
or pine needle mulch. What is the recommended depth to which the mulch should be
applied?
a. 7"- 8"
b. 5"- 6"
c. 1"- 2"
d. 3"- 4" - correct answer ✔✔(c)
Herbaceous plants are classified by the way in which they complete their life cycle. What
are the classifications?
a. Soft-wood, semi-hardwood and hardwood
b. Summer annuals and winter annuals
c. Annual, biennials and perennials
d. Deciduous and evergreen - correct answer ✔✔(c)
What is the consequence of saving and planting your own vegetable seeds?
a. The seeds are likely to produce higher quality plants with more desirable traits
b. The germination rate will be higher
c. The resulting plants are likely to revert to some undesirable genetic traits such as
reduced yield or vigor.
d. The plants will germinate faster - correct answer ✔✔(d) .
,What is the first step in selecting the best method of weed control?
a. Identification
b. Eradication
c. Prevention
d. Resistance - correct answer ✔✔(a)
What is not a common cultural weed control method?
a. Mulching
b. Tilling
c. Spraying
d. Pulling - correct answer ✔✔(c)
The primary reason soil pH is important is because pH affects:
a. Certain soil-borne diseases
b. Microbial activity
c. The availability of nutrients
d. Seed germination rates - correct answer ✔✔(c)
What is the first step one should take in preparing an area for a vegetable garden?
a. Till the area to break up the soil
b. Incorporate manure into the soil
c. Add a general-purpose fertilizer to the soil
d. Test the soil to determine nutrient and pH levels - correct answer ✔✔(d)
Customers wish to beautify their home office with a collection of easy to maintain
inexpensive plants. They purchase several varieties of cacti and ceramic containers into
which the plants will be transplanted. They seek your advice on potting mix. You
recommend they supplement the current available potting mixes. Which soil amendments
, are most appropriate for their plant and container selections?
a. Perlite to yield a looser media
b. Peat moss to help the soil retain moisture
c. Fertilizer or compost to increase nutrients to roots
d. Shredded fir bark that is more drought to yield a root system that is more drought - correct answer
✔✔(a)
One of the most valuable and yet inexpensive sources of information for the customer is:
a. Radio broadcasts
b. Info commercials
c. The manufacturer's sales resources materials and recommendations
d. Personal interaction with sales representatives - correct answer ✔✔(d)
On what factors should good landscape design be based?
a. Form and/or function
b. Symmetry and/or rhythm focal point and/or balance
c. Focal point and/or balance
d. Theme and/or style - correct answer ✔✔(a)
A customer's potted ivy stopped growing and is deteriorating. They purchased the plant
from your garden center two years ago. You have determined the customer has
adequately watered and fertilized the plant. Your garden center employee tells the
customer to repot the plant. Why is this good advice?
a. The plant has become rootbound
b. Mites are frequently a problem with containerized plants and new growing media
will eliminate the problem
c. Fertilizer remains in the growing media containers for a long time
d. Static cling is a problem with Styrofoam beads in growing media - correct answer ✔✔(a)
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