44.5.3 - IW/CPE Ratio Method
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Practice Questions
Test your understanding with targeted questions
What does IW stand for in irrigation?
💡 Hint: Think about what water is applied to the crops.
What does CPE represent?
💡 Hint: What is the total evaporation measured from a pan called?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does IW in irrigation methods refer to?
💡 Hint: Think about the depth of water implications for crops.
True or False: A higher IW/CPE ratio indicates more efficient water use.
💡 Hint: Consider what efficiency really means in water usage.
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Challenge Problems
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A farmer in a semi-arid region gets a CPE of 400mm over a season. If his crops need an IW of 200mm, what would the ratio be, and is it sustainable?
💡 Hint: Calculate IW/CPE and think about seasonal water needs.
Discuss how different crops might require different IW/CPE ratios and what factors could influence these decisions.
💡 Hint: Consider crop types and local climatic conditions impacting moisture needs.
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