Estimating Nitrogen Availability of Heat-Dried Biosolids

Table 7

Apparent N recovery and urea N equivalent from biosolids, application year. Single and split application data pooled.

	Apparent N recovery (kg ha^−1)		Apparent N recovery (%)		Urea N equivalent (%)
Treatment	Trial A 2007	Trial B 2008	Trial A 2007	Trial B 2008	Trial A 2007	Trial B 2008
Soundgro	240	159	38	36	61	72
Sumner	250	174	27	27	44	54
Milorganite	233	162	39	39	63	78