Is Ridge Cultivation Sustainable? A Case Study from the Haean Catchment, South Korea

Table 1

Soil physical properties of the experimental sites.

	Horizon (WRB)	Depth^a (cm)	Clay (%)	Silt (%)	Sand (%)	Soil texture class	Bulk density (g cm^−3)
Site 1	Ap	0–25	3.2	16.4	80.3	Loamy sand	1.43
	2Apb^b	25–50	20.2	53.4	26.4	Silt loam	1.45
	Bwb	50–100	24.8	46.6	28.6	Loam	1.38
Site 2	Ap1	0–35	1.9	14.5	83.6	Loamy sand	1.41
	Ap2	35–45	8.1	28.9	63.0	Sandy loam	1.66
	Ap3	45–55	7.6	27.9	64.5	Sandy loam	1.61
	2Apb	55–70	20.9	58.2	20.9	Silt loam	1.28
	2Bwb	70–100	13.6	38.9	47.5	Loam	1.56

aApproximate depth, ^bhorizon continuous in the second experiment (RT) only.