Practice Root Zone Soil Water (42) - Root Zone Soil Water - Hydrology & Water Resources Engineering - Vol 3

Practice: Root Zone Soil Water

Lesson 42Root Zone Soil Water

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9 questions

Flashcard drill
4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What are the three types of soil water?
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Think about how water is held in soil.
Question 2.
What does Field Capacity represent?
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Consider the timing after rainfall or irrigation.
3Question 3.
Which type of soil water is primarily available for plants?
- Gravitational Water
- Capillary Water
- Hygroscopic Water
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Think about which type water plants can actually use.
4Question 4.
True or False: Hygroscopic water is freely available to plants.
- True
- False
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Consider how tightly it's held.
Question 5.
A researcher finds that the root zone has a Field Capacity of 35% and a Permanent Wilting Point of 20%. Calculate the Available Water and discuss its significance for a crop with a rooting depth of 0.8m.
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Make sure to use the formula for AW and consider rooting depth.
Question 6.
If you increase soil compaction, how would that affect the infiltration rate and subsequently the root zone water availability? Provide a detailed explanation.
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Connect the concepts of soil texture, infiltration, and root activity.

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