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24 Cards in this Set
- Front
- Back
- 3rd side (hint)
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One reason modern horticultural fabrics used in landscaping are said to be better than black polyethylene film is they: |
Allow exchange of gases between soil and air |
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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. |
8 |
Number |
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Which of the following watering systems can reduce water usage by as much as 80%. |
Drip or trickle irrigation |
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Clay soils require: |
A longer time for absorption of irrigation water than sandy soils |
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Which would not be part of a lawn irrigation system? |
Different all valve |
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Which of the following is microscopic? |
Nematodes |
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A pre-emergence herbicide is applied |
Before the weed seeds germinate |
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When using heat to sterilize/pasteurize soil, the soil should be heated to: |
180°F for 30 minutes |
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A plant pathologist studies plant: |
Diseases |
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Scientific names generally consist of two words, the first being the genus and the second being the: |
Specific epitaph |
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Though not recommended, if 2-cycle engine fuel is actually used in a 4-cycle engine |
The engine will likely smoke a lot, but it will run |
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A shade loving border plant is: |
Impatiens |
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The optimum germination temperature for most bedding plant seeds is: |
75 to 85°F |
Number |
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Which of the following is true about lady bugs beetles? They: |
Eat aphids |
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An important step in properly composting landscape refuse is to: |
Thoroughly moisten each layer of material |
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When Alan finished sharpening his rotary mower blade, he noticed that his mower vibrated and shocked so bad that he could hardly control it. What is wrong? |
The blade is out of balance |
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Water availability, temperature extremes, and ___________ should be considered when selecting trees for the landscape. |
Soil type |
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When installing a landscape, which step (from the following list) should be completed FIRST: |
Install the drainage system |
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Which of the following groups contains only deciduous plants? |
Cedar Elm, Carla illinoinensis, Red Oak |
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Soil around the foundation of a house is often more alkaline than surrounding soil due to which of the following? |
Leaching from the masonry mortar on the home and the masonry debris from construction |
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Liriope and Ajuga are generally classified as: |
Ground covers |
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A large perennial that provides a general effect of mass and grows in excess of five feet is: |
Pampas grass |
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Which of the following describe plants that lose their leaves during the winter? |
Deciduous |
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The via8of a group of seeds is measured by: |
The germination percentage |
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