. 2014 Aug 7;22(1):643–656. doi: 10.1007/s11356-014-3395-5

Table 3.

Enzymatic activity in soil contaminated with a mixture of diflufenican + mesosulfuron-methyl + iodosulfuron-methyl-sodium (D+M+J), 1 kg DM h⁻¹

Dose of D+M+J mg kg⁻¹	DH		CA		U		PAC		PAL		AR		GL
	μmol TPF		mol O₂		mmol N-NH₄		mmol PNP
	Date of analysis (days)
	30	60	30	60	30	60	30	60	30	60	30	60	30	60
0.000	12.19^cde	14.46^a	0.14^efg	0.24^a	0.93^cd	0.68^ef	2.90^ef	4.41^bc	5.81^a	4.14^e	0.27^de	0.41^a	0.31^a	0.29^ab
0.057	13.63^ab	13.96^ab	0.21^abc	0.23^ab	1.21^a	0.64^efg	3.20^e	5.03^a	5.14c	4.70^d	0.30^cde	0.41^a	0.30^a	0.27^abc
1.140	12.06^cdef	13.12^bc	0.19^cde	0.19^cde	0.98^bc	0.64^efg	3.03ef	4.73^ab	5.23^bc	4.21^e	0.29^cde	0.38^ab	0.29^ab	0.25^d
2.280	12.43^cd	8.56^g	0.21^abc	0.04^h	0.95^bcd	0.65^efg	2.91^ef	3.24^e	5.58^ab	4.12^e	0.29^cde	0.40^ab	0.30^a	0.25^d
4.560	11.56^def	7.80^g	0.17^def	0.03^h	0.90^d	0.71^e	2.85^ef	3.18^e	5.76^a	3.82^ef	0.30^cde	0.39^ab	0.30^a	0.27^abc
9.120	10.96^f	6.37^h	0.19^cde	0.14^efg	1.00^b	0.70^ef	2.74^fg	3.71^d	5.51^abc	3.43^fg	0.28^de	0.40^ab	0.29^ab	0.29^ab
18.240	11.03^ef	5.64^h	0.18^de	0.24^a	1.00^b	0.60^g	2.69^fg	3.94^d	5.18^bc	3.45^fg	0.27^de	0.34^bcd	0.30^a	0.29^ab
36.480	11.97^cdef	5.41^h	0.20^bcd	0.18^de	1.00^b	0.59^g	2.33^g	4.11^cd	5.09^cd	3.34^g	0.25^e	0.36^abc	0.30^a	0.29^ab
r	−0.37	−0.73	0.22	0.13	−0.05	−0.66	−0.92	−0.13	−0.52	−0.77	−0.86	−0.74	0.04	0.43

Homogeneous groups are denoted with the same letters within soil enzymes for two dates of analysis, in columns

DH dehydrogenases, CA catalase, U urease, PAC acid phosphatase, PAL alkaline phosphatase, AR arylsulfatase, GL β-glucosidase, r coefficient of correlation