. 2024 Apr 22;24:304. doi: 10.1186/s12870-024-04957-1

Table 7.

Impact of biochar application on soil enzymatic activity in conditions of salt stress

Plant	Treatments	Urease (NH₄/g of soil/h)	Invertase (µgglucose·g ⁻¹ soil·h ⁻¹)	Catalase (mL KMnO4 g − 1 soil h − 1)
Medicago sativa	Control	2.37 ± 0.01^b	2.61 ± 0.01^e	3.09 ± 0.02^f
Medicago sativa	Biochar	3.90 ± 0.01^a	3.17 ± 0.01^d	3.94 ± 0.04^e
Amaranthus caudatus	Control	2.30 ± 0.01^c	6.21 ± 0.03^b	8 ± 0.05^b
Amaranthus caudatus	Biochar	3.51 ± 0.01^b	7 ± 0.02^a	8.97 ± 0.02^a
Zea mays	Control	2.10 ± 0.01^d	4.12 ± 0.01^c	4 ± 0.02^d
Zea mays	Biochar	2.78 ± 0.01^b	4.82 ± 0.01^c	4.83 ± 0.02^c

*Significant at p < 0.05, ** significant at p < 0.01, *** significant at p < 0.001; ns, non-significant at p > 0.05 according to two way ANOVA. a, b Means followed by different letters vertically (in the same column) are significantly different according to DMRTs