Corn Production in Many States of the Midwest Is Limited

question 45

Multiple Choice

Corn production in many states of the Midwest is limited by nitrogen levels in the soil. Some farmers reduce the need to apply expensive anhydrous ammonia to their fields by rotating corn crops with nitrogen-fixing soybean crops. Using soybeans to add nitrogen to soils is an example of

• A) biological augmentation.
• B) the biomass pyramid.
• C) promoting leaching efficiency.
• D) bioremediation.
• E) trophic efficiency.

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Definitions:

Materials Quantity Variance

The difference between the actual quantity of materials used in production and the expected quantity of materials that should have been used according to standards.

Standard Quantity

The expected or budgeted quantity of materials, labor, or overheads necessary for producing a unit of production or service under specified conditions.

Standard Price

A predetermined cost that companies use as a benchmark to measure the performance of actual costs.

Fixed Overhead Volume Variance

The difference between the budgeted and applied fixed manufacturing overhead, based on the standard volumes expected to be produced.