Agriculture, Food & Natural Resources - 1st Nine WK Exam STUDY

What test can be completed in the field to determine soil texture?

Which of the following is described as the smallest soil particle?

• Gravel particles
• Silt particles
• Sand particles
• Clay particles

What of the following is NOT one of the primary components which make up the soil?

• Subsidence
• Air and Water
• Mineral or inorganic matter
• Organic Matter

The proportion of sand, silt, and clay in the soil is known as:

• inorganic matter
• Soil texture
• Erosion
• Structure

Which horizon can appear bleached or whitish appearance where the minerals and nutrients dissolve or wash out?

• Horizon O
• Horizon E
• Horizon B
• Horizon C

Using the "Our Aunt Erma Bakes Cookies Regularly" please break down each of the soil horizons and what we find there.

Please select the correct components of soil and their matching percentages.

• Minerals 45%
• Organic Matter 5%
• Water 25%
• Air 25%
• Organic Matter 45%

Name AND explain the five soil forming factors

Define and explain erosion

What does soil compaction cause in the soil ?