Table 1.

Measured soil environmental parameters.

		0–100a			100–200a			200–300a
		Mean	Std	Median	Mean	Std	Median	Mean	Std	Median
Geographical parameters	DMF	0.94	0.04	0.94	0.89	0.009	0.89	0.93	0.03	0.92
	Conductivity	4,246	4,091	3,355	14,270	2,274	14,553	1,326	1,085	1,088
	MSLb	17.61	0.6	17.9	15.62	0.1	15.59	17.22	0.64	16.9
	pH	8.66	0.57	8.5	8.3	0.26	8.4	8.11	0.75	7.9
Macronutrients (mg/kg)	Total C	6,727	1,165	2,919	3,585	671	3,663	2,387	1,651	1,647
	Total N	255.54	237.94	165	222.33	30.93	210	306.97	199.57	220
	Total P	749	263	700	636	38	630	672	62	680
Water extractable ions (ppm)	Cl−	4,337	5,528	2,795	20,747	3,687	20,550	1943	1,597	1,510
	NO32−	14.81	13.81	8.93	3.34	4.94	1.8	4.23	3.9	3.1
	PO43−	1.38	0.84	0.6	0	0	0	1.43	0.74	0.6
	SO42−	2,916	3,640	983	725	207	735	137	84	117
Metal oxides (%)	SiO2	57.28	6.68	58.88	60.66	0.56	60.56	60.4	1.34	60.5
	TiO2	0.89	0.15	0.87	0.78	0.03	0.78	0.9	0.092	0.9
	Al2O3	13.02	1.65	13.58	12.62	0.28	12.56	13.83	0.23	13.82
	Fe2O3	10	0.93	9.85	8.23	0.28	8.18	10.14	1.05	10.18
	MnO	0.15	0.03	0.15	0.12	0.006	0.12	0.14	0.02	0.13
	MgO	5.4	1.31	4.96	4.81	0.1	4.84	4.92	0.39	4.95
	CaO	6	2.9	5.17	5.2	0.23	5.26	4.68	0.28	4.7
	Na2O	2.95	0.58	2.98	4.04	0.29	3.99	3.02	0.23	3.03
	K2O	1.55	0.39	1.46	1.62	0.08	1.61	1.69	0.18	1.68
	P2O5	0.2	0.07	0.19	0.18	0.006	0.18	0.18	0.01	0.18
	SO3	0.66	1.52	0.13	0.087	0.02	0.09	0.04	0.01	0.04

^aThe mean and SD are calculated for n = 31 soil samples for each transect section.

^bMean sea level.