What is the FC, PWP, and AWC of a sandy loam? Use the Soil Water Characteristics Calculator (0% and 4% organic matter, salinity (1)/(43)d(S)/(m), gravel (1)/(40)%, and compaction is normal). Discuss. a. FC: 20%, PWP: 8%, AWC: 12% b. FC: 15%, PWP: 10%, AWC: 5% c. FC: 25%, PWP: 5%, AWC: 20% d. FC: 18%, PWP: 12%, AWC: 6%