Table 1.

Results from X-ray photoelectron spectroscopy of the variation in element ratios with and without the addition of the fungus extract.

	Dark brown forest soil—surface			Dark brown forest soil—deep			Saline-alkali soil
	Control	Addition of the fungus extract	Variation%	Control	Addition of the fungus extract	Variation%	Control	Addition of the fungus extract	Variation%
C : O	0.16	0.18	9.58	0.25	0.24	−3.95	0.31	0.23	−25.68
C : N	7.30	8.10	10.96	6.30	6.50	3.17	12.00	8.80	−26.67
C : Si	0.57	0.62	8.77	0.90	0.84	−6.67	1.03	0.77	−25.24
Si : Ca	13.60	13.60	0.00	17.90	20.50	14.53	6.10	7.10	16.39
C : Ca	7.70	8.40	9.09	16.20	17.10	5.56	6.30	5.50	−12.70