Table 1.

Physicochemical characteristics of the soil.

Soils	pH	CEC 1 (cmol × L−1)	Organic Matter (g × kg−1)	Total As (mg × kg−1)	Total Se (mg × kg−1)	Total N (g × kg−1)	Total K (g × kg−1)	Total P (g × kg−1)	Available P (mg × kg−1)
S1	6.65	12.47	24.3	20.1	0.65	1.69	16.36	0.49	11.63
S2	7.56	13.83	45.6	65.2	0.91	2.60	17.51	1.12	64.59
S3	7.76	13.68	38.9	83.9	0.86	2.26	18.77	1.25	50.29

¹ CEC is cation-exchange capacity.