Characteristics of Various Soils
Soil Texture Class	Hydraulic Conductivity		Suction Head		Porosity (fraction)	Field Capacity (fraction)	Wilting Point (fraction)
	(in/hr)	(mm/hr)	(in/hr)	(mm/hr)
Sand	4.74	120	1.93	49	0.437	0.062	0.024
Loamy Sand	1.18	30	2.40	61	0.437	0.105	0.047
Sandy Loam	0.43	11	4.33	110	0.453	0.190	0.085
Loam	0.13	3	3.50	89	0.463	0.232	0.116
Silt Loam	0.26	7	6.69	170	0.501	0.284	0.135
Sandy Clay Loam	0.06	2	8.66	220	0.398	0.244	0.136
Clay Loam	0.04	1	8.27	210	0.464	0.310	0.187
Silty Clay Loam	0.04	1	10.63	270	0.471	0.342	0.210
Sandy Clay	0.02	1	9.45	240	0.430	0.321	0.221
Silty Clay	0.02	1	11.42	290	0.479	0.371	0.251
Clay	0.01	0	12.60	320	0.475	0.378	0.265
Source: Rawls, W.J. et. al., (1983), Journal of Hydraulic Engineering, 109:1316.