TABLE 3.

Relative abundance of the sul1 gene target in soil following the application of swine or dairy manure and in unmanured control plots

Season	Sampling (Julian) day	Relative abundance of the sul1 gene targeta
		Control		Swine		Dairy
		Mean	SD	Mean	SD	Mean	SD
Spring 2012	101	0.00002	0.00000	0.03661*	0.01490	0.00042*	0.00021
	108	0.00008	0.00008	0.03245*	0.01417	0.00191*	0.00070
	131	0.00003	0.00003	0.01313*	0.00676	0.00257*	0.00115
	200	0.00003	0.00003	0.00207*	0.00103	0.00050*	0.00017
	221	BLQ		0.00072	0.00014	0.00010	0.00007
	229	0.00002	0.00001	0.00028*	0.00013	0.00007*	0.00002
	254	0.00020	0.00020	0.00067*	0.00018	0.00005	0.00001
	176	0.00002	0.00002	0.00042*	0.00005	0.00003	0.00002
	210	BLQ		0.00065	0.00024	0.00004	0.00003
	303	0.00002	0.00001	0.00035*	0.00009	0.00004	0.00004
Fall 2012	275	0.000004	0.000001	0.000727*	0.000203	0.000188*	0.000005
	282	0.000005	0.000001	0.000638*	0.000289	0.000377*	0.000055
	306	0.000003	0.000000	0.000851*	0.000411	0.000440*	0.000104
	176	0.000008	0.000005	0.000139*	0.000029	0.000037*	0.000006
	210	0.000009	0.000002	0.000157*	0.000072	0.000027*	0.000010
	303	BLD		0.00027	0.000020	0.000100	0.000013
Spring 2013	127	BLQ		0.00096	0.00057	0.00034	0.00014
	134	BLD		0.00450	0.00170	0.00128	0.00030
	158	0.00002	0.00000	0.00795*	0.00244	0.00255*	0.00134
	210	BLD		0.00042	0.00016	0.00008	0.00004
	267	BLD		0.00047	0.00019	0.00008	0.00003
	304	BLQ		0.00057	0.00026	0.00008	0.00005

^aThe relative abundance of the gene target is referenced to the total rrnS gene copy number. BLD, below limit of detection; BLQ, below limit of quantification; *, significant difference at P values of <0.05.