Land Use Changes Affecting Soil Organic Matter Accumulation in Topsoil and Subsoil in Northeast Thailand

Table 4

Land use altitude and moisture in soil profile under different land uses.

Location	Land use type	Soil moisture (%)
		Soil depth (cm)
		0–20	20–40	40–60	60–80	80–100	0–100
Muang	Forest	1.57	1.41	1.80	2.41	3.01	2.04
	Cassava	1.20	1.27	1.92	9.62	10.18	4.84
	Sugarcane	1.45	1.12	1.27	2.21	5.55	2.32
	Paddy	4.15	5.05	10.79	11.22	11.32	8.51
Mean		2.09	2.21	3.95	6.37	7.52
Kantharawichai	Forest	3.95	2.92	3.33	3.94	4.28	3.68
	Cassava	10.60	3.85	2.26	5.07	5.60	5.48
	Sugarcane	5.50	6.60	4.89	7.74	11.11	7.17
	Paddy	6.59	9.64	13.06	14.40	13.92	11.52
Mean		6.66	5.75	5.89	7.79	8.73
Kosum Phisai	Forest	0.96	1.82	0.96	1.92	2.78	1.69
	Cassava	4.64	5.26	5.40	7.68	15.98	7.79
	Sugarcane	4.13	5.74	6.10	9.40	13.73	7.82
	Paddy	3.95	7.57	8.87	11.17	21.16	10.54
Mean		3.42	5.10	5.33	7.54	13.41
Kut Rang	Forest	0.66	0.83	0.87	0.99	0.85	0.84
	Cassava	4.01	7.14	7.56	12.96	16.33	9.60
	Sugarcane	0.85	2.07	10.91	6.10	12.09	6.40
	Paddy	4.85	4.9	14.39	13.89	12.13	10.03
Mean		2.59	3.74	8.43	8.49	10.35
Borabue	Forest	1.38	1.43	2.15	7.97	7.83	4.15
	Cassava	1.37	6.35	6.72	7.33	7.11	5.78
	Sugarcane	4.73	3.47	3.54	11.58	12.27	7.12
	Paddy	1.17	1.97	4.64	9.42	14.23	6.29
Mean		2.16	3.31	4.26	9.08	10.36
Wapi Pathum	Forest	2.26	5.07	5.47	4.7	9.84	5.47
	Cassava	5.06	3.71	13.07	18.33	18.80	11.79
	Sugarcane	7.12	8.02	9.29	11.15	14.52	10.02
	Paddy	2.23	7.07	16.36	19.66	17.46	12.56
Mean		4.17	5.97	11.05	13.46	15.16

The data were from one replication.