Water Movement in Soils

• 1960 ----- color ----- 25 min ----- 16mm
• How water moves into and through soil under conditions where the soil is not saturated, shown by time-lapse photography. How strata such as hard pans or coarse sand layers slow down the advance of a wetting-front and how saturated and unsaturated flow differ.
• Topics: (Agriculture, Forest Resources, Water)