A Soil Has Been Managed Using a No-Till System for 10

question 12

Multiple Choice

A soil has been managed using a no-till system for 10 years following many years of conventional tillage operations.Which of the following changes in surface soil properties would you expect due to the no-till management system?

• A)the earthworm population would decline
• B)soil pH would increase
• C)aggregate stability would decline
• D)organic matter content would increase
• E)bulk density would increase

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Definitions:

Labour and Overhead

A combination of direct labor costs and indirect costs (overhead) associated with the production of goods or services.

Blending Department

A division in a manufacturing or processing plant where ingredients are combined to produce a final product.

Weighted-Average Method

This method calculates inventory and cost of goods sold values by averaging the costs of all goods available for sale, weighting them according to their quantities.

Labour and Overhead

Combined costs associated with the workforce (labour) and indirect expenses (overhead) necessary for production but not directly tied to specific units of product.