Table 1.

Mean decay rates (k) and half-life (t_1/2) for E.coli and intestinal enterococci for data for the experimental plots; mean of five shallow injection (S/I) and five broadcast (B/C) slurry applied plots for the May, July and October applications.

		E. coli		Intestinal enterococci
		k (day−1)	t1/2 (days)	k (day−1)	t1/2 (days)
May
S/I	n = 5	0.11	9.68	0.021	36.93
B/C	n = 5	0.23	6.40	0.057	19.61
July
S/I	n = 5	0.023	31.29	0.018	48.33
B/C	n = 5	0.097	9.38	0.042	17.27
October
S/I	n = 5	0.029	34.14	0.025	27.79
B/C	n = 5	0.036	24.14	0.033	27.11