Practice Soil Water In The Unsaturated Zone (42.1)

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10 questions

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6 sample questions

Question 1.
What is gravitational water?
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Think about how water moves through different layers.
Question 2.
What type of water is available for plant use?
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Consider which water type is held tightly yet accessible.
3Question 3.
What type of water drains quickly and is unavailable to plants?
- A) Capillary Water
- B) Hygroscopic Water
- C) Gravitational Water
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Think about water movement due to gravity.
4Question 4.
True or False: Capillary water is the primary water source for plants.
- True
- False
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Remember the primary source for plant uptake.
Question 5.
A farmer has sandy soil with a field capacity of 15% and a wilting point of 5%. How much available water can the crops access?
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Use the formula for available water.
Question 6.
Discuss how irrigation practices can be modified based on the understanding of capillary water and field capacity in clay versus sandy soils.
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Consider how retention time affects agricultural planning.

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