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25: Know and Understand
What is irrigation?
What event caused universities and government agencies to conduct research to better understand crop techniques and principles?
Briefly describe the water cycle.
When a well cannot keep up with the demand for irrigation water, the well water can be pumped into a small, open body of water called a(n) _____.
Treated wastewater that is usable for watering landscape and planting beds is called _____ water.
What is the difference between a retention pond and a detention pond?
The most common type of pipe used in irrigation systems is _____ pipe.
A. galvanized
B. PEX
C. PVC
D. aluminum
What is the purpose of a rain sensor in an irrigation system?
Which type of sprinkler head is commonly used for irrigation by nurseries?
List the four main categories of sprinkler heads.
List three types of irrigation systems common in agronomic settings.
A(n) _____ is a tool that can be used to help locate breaks in irrigation wire.
Water pressure is measured in _____.
How is precipitation rate used when an irrigation controller is being programmed?
In order to join two pieces of PVC, the pipe should be cleaned with _____ and bonded with _____.
Why must thread tape be wrapped in a clockwise direction around the male end of galvanized pipe?
What PPE should be worn by someone who is repairing irrigation lines?
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