Runoff and Nutrient Losses from Constructed Soils Amended with Compost

Table 1

Characteristics of two compost sources used to amend soils according to TxDOT specifications for stabilizing soils affected by highway construction (𝑛=2 for each compost source).

	N (%)	P (%)	Dry mass (%)
Composted dairy manure	0.54	0.32	77.2
Composted municipal biosolids	1.73	1.66	65.5