Podcast
Questions and Answers
Which of the following is NOT one of the four main soil formation processes described in the text?
Which of the following is NOT one of the four main soil formation processes described in the text?
- Losses
- Translocation
- Additions
- Evaporation (correct)
What does the lowercase letter 't' in a soil horizon designation (e.g. Bt) indicate?
What does the lowercase letter 't' in a soil horizon designation (e.g. Bt) indicate?
- Sodium accumulation
- Cementation or induration
- Clay accumulation (correct)
- Decomposition of organic material
Which of the following is NOT a master soil horizon?
Which of the following is NOT a master soil horizon?
- E
- O
- A
- Bt (correct)
Which of the following processes involves the movement of organic and inorganic materials across a soil profile?
Which of the following processes involves the movement of organic and inorganic materials across a soil profile?
What does the lowercase letter 'n' in a soil horizon designation (e.g. Bn) indicate?
What does the lowercase letter 'n' in a soil horizon designation (e.g. Bn) indicate?
Which of the following soil formation processes involves the chemical or physical modification or destruction of soil constituents and the synthesis of new materials?
Which of the following soil formation processes involves the chemical or physical modification or destruction of soil constituents and the synthesis of new materials?
What is the most important factor in soil formation according to the text?
What is the most important factor in soil formation according to the text?
Which horizon in the soil profile contains unconsolidated organic material at the soil surface?
Which horizon in the soil profile contains unconsolidated organic material at the soil surface?
What is the zone in the soil profile characterized by organic material mixed with minerals?
What is the zone in the soil profile characterized by organic material mixed with minerals?
Which horizon in the soil profile is highly decomposed, smooth, and amorphous residues?
Which horizon in the soil profile is highly decomposed, smooth, and amorphous residues?
Humid warm climate is assumed for soil formation. Which factor contributes significantly to soil formation under such conditions?
Humid warm climate is assumed for soil formation. Which factor contributes significantly to soil formation under such conditions?
Which horizon is a mineral horizon formed at or near the surface where humified organic matter is associated with mineral materials?
Which horizon is a mineral horizon formed at or near the surface where humified organic matter is associated with mineral materials?
What is the 'E' horizon in soil classification primarily characterized by?
What is the 'E' horizon in soil classification primarily characterized by?
What process describes the removal of soil constituents in suspension?
What process describes the removal of soil constituents in suspension?
Which horizon is characterized by the accumulation of materials from overlying horizons?
Which horizon is characterized by the accumulation of materials from overlying horizons?
What type of horizon retains evidence of rock structure but lacks diagnostic properties?
What type of horizon retains evidence of rock structure but lacks diagnostic properties?
In soil classification, what does 'R' horizon refer to?
In soil classification, what does 'R' horizon refer to?
What process does illuviation describe in soil formation?
What process does illuviation describe in soil formation?