40.2.4 - Magnesium Ratio (MR)
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Practice Questions
Test your understanding with targeted questions
What does a high Magnesium Ratio indicate?
💡 Hint: Think about how soil interacts with water.
How is the Magnesium Ratio calculated?
💡 Hint: What metal is on top of the fraction?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What happens if the Magnesium Ratio exceeds 50%?
💡 Hint: Think about the consequences of too much magnesium.
True or False: A higher Magnesium Ratio directly correlates with better crop growth.
💡 Hint: Recall the relationship between magnesium and soil structure.
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Challenge Problems
Push your limits with advanced challenges
A farmer finds that his irrigation water has a magnesium level of 30 mg/L and a calcium level of 40 mg/L. Calculate the MR and discuss potential consequences for soil health.
💡 Hint: Apply the MR formula to find the percentage.
If a region consistently uses water with an MR of 60%, outline a management plan to address soil degradation.
💡 Hint: Consider both short-term and long-term strategies.
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