Practice Irrigation Requirement And Frequency Of Irrigation (44) - Irrigation Requirement and Frequency of Irrigation

Practice: Irrigation Requirement and Frequency of Irrigation

Lesson 44Irrigation Requirement and Frequency of Irrigation

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9 questions

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3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does CWR stand for?
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Think about what water is necessary for crops.
Question 2.
Name two components affecting CWR.
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Components include evaporation and transpiration.
3Question 3.
What does CWR refer to in agriculture?
- Crop Water Requirement
- Crop Yield Range
- Crop Weather Report
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Think about what crops need to thrive.
4Question 4.
True or False: Effective rainfall is the total rainfall that benefits crops.
- True
- False
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Consider how some rainwater may be lost to runoff or evaporation.
Question 5.
Given that the effective rainfall is 150 mm, CWR is 400 mm, and the contribution from initial soil moisture is 30 mm, calculate the irrigation requirement.
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Use the relevant formula and plug in the right values.
Question 6.
You have a plot with a root zone depth of 60 cm, MAD is 20%, and ET_c is 5 mm/day. Calculate the irrigation interval.
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Pay attention to the units used and the formula.

5 more questions in this section. Enroll free to practise them all.