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2 cards from this section. Quick, good the night before a test.
What is the salinity class for water with an EC of 0.5 dS/m?
Think about the range that this EC value falls under.
What does SAR stand for?
It relates to the sodium levels in water.
Which salinity class has an EC of 0.3 dS/m?
Check the ranges of EC values for each salinity class.
Is SAR > 26 hazardous for irrigation water?
Recall the classification criteria for sodium hazards.
Consider a field where irrigation water with an EC of 2.5 dS/m and an SAR of 15 is used. Analyze the potential impacts on soil and crop yield.
Think about the combined influences of salinity and sodium on agricultural sustainability.
You have irrigation water with an EC of 0.6 dS/m. Is this water suitable for most crops? Discuss the reasons.
Reflect on the importance of assessing multiple factors for effective irrigation.
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