Variable Definition: 
Phosphorus, total; Total Phosphorus
Variable Description: 

Tau P refers to the loss (<0) or gain (>0) of P relative to parent material, using the P concentrations of soil and parent material referenced to niobium (see Porder and Chadwick, 2009). Tau = -0.5 represents a 50% loss of P relative to the parent rock.

Unit: 
percent; Dimensionless %
Value Type: 
Average
Attribute or Value: 
Variable