Estimating Nitrogen Availability of Heat-Dried Biosolids

Table 5

Tall fescue dry matter yield and N uptake, Trials A and B, application year.

Biosolids Source	Application Timing	Yield (Mg ha^−1)		N uptake (kg ha^−1)
		Trial A 2007	Trial B 2008	Trial A 2007	Trial B 2008
Soundgro	Single	13.0	9.8	371	259
	Split	12.9	10.8	335	269
Sumner	Single	13.2	9.6	370	276
	Split	13.1	10.6	355	281
Milorganite	Single	11.8	9.8	348	265
	Split	13.3	10.9	345	269
Significance	Source	NS	NS	NS	NS
	Timing	NS	**	NS	NS

**Signficant at 𝑃<.01
NS: Not significant (𝑃>.05).