Aug. 20, 1917 



Relation of Soil Water Movement 



403 



Table VIII. — Moisture relations at end of increasing periods of time following an- 

 application of i inch of water to the surface — Continued 



soil, F (hygroscopic coefficient = 10.0. INITIAL MOISTURE CONTENT: I, 4.8 PER CENT; H, I0.2 PER CENT; 



m, 15.2 PER cent) 



Time. 



Hours. 



I 



3 



24 



48 



72 



96 



120 . . . . 



Distance of penetra- 

 tion of added water. 



Exper- 

 iment 

 III. 



Inches. 



7. 64 



8. 82 



Water content of the 

 moistened portion. 



Exper- 

 iment 

 III. 



Per ct. 



31-4 



26. o 



"■ 25. 2 



Ratio of water content 

 of the moistened por- 

 tion to hygroscopic 

 coefficient. 



Exper- 

 iment 

 I. 



Exper- 

 iment 

 II. 



Exper- 

 iment 

 III. 



2.6 

 o 2. s 



SOIL G (hygroscopic COBFFiaENT = S.2. INITIAL MOISTURE CONTENT: I, 3.9 PER CENT; n, 8.0 PER CENT; 



III, 12.4 PER cent) 



72. 

 96. 

 120 



SOIL H (hygroscopic COEFFiaENT = 7.6. INITIAL MOISTURE CONTENT: I, 3.8 PER CENT; 



III, 1 1. 2 PER cent) 



II, 7.9 PER CENT; 



48. 

 72. 

 96. 

 120 



3-7 

 3-1 

 2.8 

 2- 7 

 2.6 

 2.6 



SOIL I (hygroscopic COBFFiaENT=7.I. INITIAL MOISTURE CONTENT: 



in, 10.4 PER cent) 



1, 3.5 PER CENT; 11, 7.5 PER CENT; 



3- ■ 



24. 

 48. 

 72. 

 96. 



120 



2.8 

 2.8 

 2-7 



SOIL J (hygroscopic COEFFICIENT=5.6. INITIAL MOISTURE CONTENT: 



III, 8.3 PER cent) 



I, 2.8 PER CENT; n, 5.3 PER CENT; 



48. 

 72. 

 96. 



120 



o On account of the color of the soil, the advance of the moisture beyond this point could not be followed. 



