42.1 - Soil Water in the Unsaturated Zone
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Practice Questions
Test your understanding with targeted questions
What is gravitational water?
💡 Hint: Think about how water moves through different layers.
What type of water is available for plant use?
💡 Hint: Consider which water type is held tightly yet accessible.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What type of water drains quickly and is unavailable to plants?
💡 Hint: Think about water movement due to gravity.
True or False: Capillary water is the primary water source for plants.
💡 Hint: Remember the primary source for plant uptake.
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Challenge Problems
Push your limits with advanced challenges
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?
💡 Hint: Use the formula for available water.
Discuss how irrigation practices can be modified based on the understanding of capillary water and field capacity in clay versus sandy soils.
💡 Hint: Consider how retention time affects agricultural planning.
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