If You Wanted to Increase the Cation Exchange and Water

question 59

Multiple Choice

If you wanted to increase the cation exchange and water retention capacity of loamy soil, what should you do?

• A)Adjust the soil pH to 7.9.
• B)Add clay to the soil.
• C)Practice no-till agriculture.
• D)Add fertilizer containing potassium, calcium and magnesium to the soil.
• E)Increase the number of sand particles in the soil.

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Definitions:

Fixed Cost

Operating expenses that do not change in proportion to the level of production or sales activity, such as rent or salaries.

Variable Costs

Expenses that fluctuate in proportion to the activity of a business.

Activity Level

A measure of the volume of production or operations, often influencing costs and revenues in a business.

Fixed Cost Per Unit

The total fixed costs divided by the number of units produced, indicating how much each unit needs to contribute to fixed costs.