Table 6. Soil physicochemical characteristics of wild-simulated ginseng by three cultivation sites (Pyeongchang, Seosan, and Geochang) and three ages (two-year-old, five-year-old, and eight-year-old).

Site	Year	Texture	pH	EC (dS/m)	Organic density (%)	Total of nitrogen (%)	P₂O₅ (mg/kg)	CEC (cmol/kg)	Exchangeable cations (mg/kg)
Site	Year	Texture	pH	EC (dS/m)	Organic density (%)	Total of nitrogen (%)	P₂O₅ (mg/kg)	CEC (cmol/kg)	Ca	Mg	K	Na
Pyeongchang	2	Sandy clay loam	5.2	0.12	8.93	0.359	135.66	22.74	272.52	27.03	85.88	6.53
	5	Silt loam	4.9	0.41	14.5	0.619	332.72	42.49	438.95	68.86	253.93	8.63
	8	Clay loam	5.3	0.2	9.58	0.383	275.74	32.86	444.43	57.15	186.13	8.75
Geochang	2	Loam	4.8	0.45	12.67	0.575	402.34	41.41	366.35	47.24	286.8	15.16
	5	Sandy clay loam	4.8	0.24	9.84	0.381	115.85	28.84	161.53	23.44	118.23	10.72
	8	Clay loam	4.4	0.3	10.81	0.412	98.14	36.06	64.29	12.38	71.82	10.3
Seosan	2	Loam	4.8	0.19	4.58	0.185	87.99	25.79	68.22	28.24	86.34	14.22
	5	Loam	4.4	0.43	12.05	0.313	56.08	28.98	233.82	52.39	82.15	15.66
	8	Sandy clay loam	4.7	0.58	16.23	0.537	147.13	28.15	845.88	78.05	103.17	24.26