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2 cards from this section. Quick, good the night before a test.
Define Consumptive Use (CU).
What happens to water during crop growth?
What does Irrigation Requirement (IR) mean?
Think about what crops need from irrigation.
What does Consumptive Use (CU) refer to?
Think about the water's journey during crop growth.
True or False: Irrigation Requirement (IR) is always zero.
Consider what happens when it does not rain.
A farmer grows wheat that requires a total CU of 120 cm during the season. If the effective rainfall is only 50 cm, what is the IR?
Remember the relationship between CU and effective rainfall.
Discuss how using drip irrigation might change a farmer's CU compared to traditional methods.
Think about how water arrives at the plant differently.
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