Ohio Envirothon - Soil Questions (2012-2019 Tests)

Front

What does the capital letter 'M' represent in soil classification?

Back

'M' designates root-limiting subsoil layers of human-manufactured materials.

Front

Which soil particle is the smallest: Sand, Silt, or Clay?

Back

Clay is the smallest soil particle.

Front

What type of parent material is characterized by mixed angular gravel, rock, and soil found at the foot of a slope?

Back

Colluvial parent material.

Front

What are the three most common macronutrients measured in soil?

Back

Nitrogen, Phosphorus, Potassium.

Front

What is soil quality?

Back

Soil quality is the capacity of a specific kind of soil to function.

Front

What is the role of soil fertility in agriculture?

Back

Soil fertility measures the level of essential plant nutrients available in the soil.

Front

What are the three main components of soil?

Back

Clay, Silt, and Sand.

Front

What does the term 'parent material' refer to in soil science?

Back

Parent material is the underlying geological material from which soil develops.

Front

How does soil texture affect water retention?

Back

Soil texture influences the size of soil pores, affecting how much water the soil can hold.

Front

What is the significance of macronutrients in soil?

Back

Macronutrients are essential for plant growth and development.