Monitoring of soil EC for the prediction of soil nutrient regime under different soil water and organic matter contents

Applied Biological Chemistry

Table 1 Physicochemical properties of soil samples used for EC monitoring

Samples	Texture	Sand (%)	Clay (%)	Silt (%)	pH	EC (dS/cm)		OM (g/kg)		CEC (cmol_c/kg)
Samples	Texture	Sand (%)	Clay (%)	Silt (%)	pH	without OM	with OM	without OM	with OM	without OM	with OM
SiCL	Silt clay loam	13.5	33.3	53.2	5.66	0.071	0.76	0.09	0.13	9.6	14.9
L-1	Loam	33.6	18.6	47.7	5.87	0.068	1.59	0.25	0.34	7.5	8.4
L-2	Loam	46.4	19.0	34.7	6.62	0.147	3.22	0.06	0.22	9.8	10.9
L-3	Loam	42.1	23.0	34.9	6.58	0.055	1.06	0.13	0.19	9.2	9.5
L-4	Loam	54.5	16.2	29.3	6.35	0.066	0.90	0.21	0.22	6.7	7.5
L-5	Loam	32.2	17.4	50.4	4.95	0.076	3.16	0.30	0.32	11.0	12.9
SL-1	Sandy loam	65.8	16.2	17.9	7.24	0.058	0.51	0.15	0.16	16.2	22.2
SL-2	Sandy loam	72.0	13.4	14.6	5.46	0.147	0.57	0.13	0.21	11.9	18.4
SL-3	Sandy loam	66.9	14.0	19.1	7.63	0.138	1.22	0.29	0.33	6.4	9.7
SL-4	Sandy loam	60.8	13.2	26.1	6.50	0.054	0.86	0.11	0.16	7.8	10.0