17.4.7 - Lysimeter Technique (for Evapotranspiration)
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Practice Questions
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What does a lysimeter measure?
💡 Hint: Think of what occurs when water evaporates from the soil and plants.
Name one type of lysimeter.
💡 Hint: Consider how different lysimeters could work.
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Interactive Quizzes
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What does a lysimeter directly measure?
💡 Hint: Think about what interactions are being measured.
True or False: Lysimeters can only be used in research settings.
💡 Hint: Consider the application of technology in everyday farming.
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Challenge Problems
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Design a research project that utilizes lysimeters to study the impact of irrigation frequency on crop yield. Include methods of data collection and analysis.
💡 Hint: Consider how varying water input might affect evapotranspiration and yield.
Calculate the evapotranspiration from a lysimeter if it recorded a 50 mm water loss over 30 days with a crop cover coefficient of 0.8. What adjustments would you recommend for irrigation?
💡 Hint: Think about how crop cover affects the actual water needs.
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