Identification should include
- the soil triangle (sand, silt, and clay) and its relationship to soil texture
- pore space (air and water)
- organisms
- organic matter.
Process/Skill Questions:
- How can soil particle makeup be determined in a soil sample?
- How do the sizes of sand, silt, and clay compare?
- What effect does air and water space have on the agricultural productivity of a soil?
- How can organisms affect soil quality?
- How does organic matter affect the nutrient- and water-holding capacity and aeration of soil?