Practice Definition (44.3.1) - Irrigation Requirement and Frequency of Irrigation

Practice: Definition

Lesson 44.3.1Irrigation Requirement and Frequency of Irrigation

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9 questions

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6 sample questions

Question 1.
What is effective rainfall?
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Think about how rainfall meets crop needs.
Question 2.
Why is knowing effective rainfall important?
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Consider how water management affects farming.
3Question 3.
What is effective rainfall?
- Total rainfall
- Usable precipitation for crops
- Evaporated water
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Focus on what part of rainfall helps crops grow.
4Question 4.
True or False: Effective rainfall includes all precipitation.
- True
- False
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Think about the difference between total and usable rainfall.
Question 5.
A region receives 120 mm of rain over a growing season. Due to evaporation and runoff, only 80 mm is available for crops. Calculate the effective rainfall and discuss its implications for irrigation.
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Consider total rain and available usable water.
Question 6.
Given weather data shows 200 mm of rainfall, but analysis reveals 50 mm is lost through evaporation, estimate how much irrigation is needed if the crop requires a total of 150 mm of water.
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Utilize the effective rainfall calculation to assess irrigation needs.

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