140 



Journal of Agricultural Research 



Vol. X, No. 3 



soil was observed through the glass and recorded for the first 46 

 days. These movements are shown in graphic form in figure 21. In 



Fig. 21. — Diagram showing a comparison of the rate of capillary movement of moisture upward and down- 

 ward through air-dry Greenville loam with a varying moisture content in the source of supply. 



all cases the greatest rise and descent took place where the source of 

 water was the soil with the greatest initial percentage of moisture. The 



