?

AP® Environmental Science

Free Version

Upgrade subject to access all content

Difficult

Evaluate Soil Quality Using Soil Triangle

APES-GYS1ZX

Use the soil triangle to determine which of the soil samples listed would be BEST for general agriculture.

"Soil." Wikipedia. Wikimedia Foundation, n.d. Web. 06 Apr. 2016.

A

Sample A: 50% sand, 15% silt, and 35% clay.

B

Sample B: 40% sand, 40% silt, and 20% clay.

C

Sample C: 30% sand, 40% silt, and 30% clay.

D

Sample D: 15% sand, 65% silt, and 20% clay.

E

Sample E: 80% sand, 15% silt, and 5% clay.