44.3 - Effective Rainfall (ER)
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Practice Questions
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What is Effective Rainfall?
💡 Hint: Think about what rainwater is used for in agriculture.
Name one method to estimate Effective Rainfall.
💡 Hint: Consider which organizations provide guidelines for these methods.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is Effective Rainfall?
💡 Hint: Focus on what is truly usable by plants.
True or False: All rainfall contributes equally to crop needs.
💡 Hint: Consider the factors that eliminate rainwater availability.
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Challenge Problems
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Consider a field that receives 1000 mm of rain per year. If 200 mm evaporates and 150 mm runs off, what is the Effective Rainfall?
💡 Hint: Subtract evaporation and runoff from the total rainfall.
How would you explain the importance of Effective Rainfall in regions prone to drought?
💡 Hint: Think about water scarcity and crop survival strategies.
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