WorksheetsNursery/Landscape CDE General Knowledge Weekly 12 #1 2026
Total questions: 12
Worksheet time: 15mins
A homeowner was ordering topsoil for his garden. He determined he needed 54 cubic feet. He was required to enter his order in cubic yards. How many cubic yards does he need? YOU KNOW HOW TO DO THIS. WE DID IT WITH MULCH CALCULATIONS!
2
4
6
18
Sallie is preparing an application to use when she is screening and hiring new employees. Which information below can she NOT request on the application or in the interview?
Education level
Religious affiliation
Telephone number
Previous employers
Which of these soils will dry quickest after irrigation or a rain?
Clay
Loam
Sandy loam
Clay loam
Soil pH is measured on a scale that ranges from:
5 to 8
2 to 20
0 to 20
1 to 14
The USDA plant hardiness zone map may be used to:
Determine if a plant can withstand the lowest temperatures of the area
Categorize plants into genus and species
Determine if a plant can withstand the highest temperatures of the area.
Determine if a plant is adaptable to rainfall in the area
If an Extension Agent is unable to identify a plant disease problem, they might consult the state plant _____ to assist in disease identification and control.
Pathologist
Morphologist
Ornithologist
Ichthyologist
Which of these is NOT a benefit of using mulch around landscape plants?
add nutrients to the soil
help control weeds
help prevent bark damage when string trimming
conserve soil moisture
Propagating plants using seeds that have a hard seed coat often involves scratching the seed coat in a process known as:
Grafting
Stratification
Gradation
Scarification
Correcting low soil pH can be achieved by applying:
Lime
Potassium
Phosphorus
Nitrogen
Fertilizer is often applied through the irrigation system. This is often referred to as:
Fertigation
Chemigation
Post-fertilization
Fertilizer enhancement
While the desirable soil pH for plants varies by species, a general range for most landscape plants is:
1.0 to 7.0
5.0 to 10
5.5 to 6.5
1.0 to 14
This is a common disease caused by fungi and found throughout the United States. It is easily recognized by a white to gray powdery growth, usually on the upper leaf surface.
Mealy fungi syndrome
Powdery mildew
Cedar-apple rust
Powdery scale
