44.2 - Irrigation Requirement (IR)
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Practice Questions
Test your understanding with targeted questions
What does IR stand for?
💡 Hint: Think about what it measures concerning water for crops.
What does CWR stand for?
💡 Hint: What is the total amount of water needed for crop growth?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does Irrigation Requirement (IR) account for?
💡 Hint: Think about all the sources of water affecting crop irrigation.
True or False: Gross Irrigation Requirement (GIR) is the same as Net Irrigation Requirement (NIR).
💡 Hint: Remember the definitions of NIR and GIR.
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Challenge Problems
Push your limits with advanced challenges
Given a crop requires 800 mm of water, receives 150 mm of effective rainfall, has 40 mm contribution from groundwater, and starts with 120 mm of soil water, calculate the Irrigation Requirement.
💡 Hint: Follow the formula carefully and substitute values directly.
Discuss how different crop types may require different irrigation methods based on their specific CWR and effective rainfall.
💡 Hint: Consider crop growth stages and specific water needs of varying crops.
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