VCE Agricultural And Horticultural Studies Practice Questions - VCE Agricultural And Horticultural Studies (Units 3 & 4) Exam

Cation Exchange Capacity (CEC) in soil science measures which of the following?

The speed at which irrigation water drains through the soil profile The total capacity of soil to retain positively charged nutrient ions The capacity of soil clay and organic matter to hold negatively charged ions The percentage of air space available in saturated soil

Correct Answer:

The total capacity of soil to retain positively charged nutrient ions

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