44 - Irrigation Requirement and Frequency of Irrigation
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Practice Questions
Test your understanding with targeted questions
What does CWR stand for?
💡 Hint: Think about what water is necessary for crops.
Name two components affecting CWR.
💡 Hint: Components include evaporation and transpiration.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does CWR refer to in agriculture?
💡 Hint: Think about what crops need to thrive.
True or False: Effective rainfall is the total rainfall that benefits crops.
💡 Hint: Consider how some rainwater may be lost to runoff or evaporation.
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Challenge Problems
Push your limits with advanced challenges
Given that the effective rainfall is 150 mm, CWR is 400 mm, and the contribution from initial soil moisture is 30 mm, calculate the irrigation requirement.
💡 Hint: Use the relevant formula and plug in the right values.
You have a plot with a root zone depth of 60 cm, MAD is 20%, and ET_c is 5 mm/day. Calculate the irrigation interval.
💡 Hint: Pay attention to the units used and the formula.
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