402 



Journal of Agricultural Research 



Vol. X. No. 8 



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

 application of I inch of water to the surface 



SOIL A (hygroscopic COEFFiaENT = IJ.3. INITIAI, MOISTURE CONTENT: I, 6.6 PER CENT; 11, I3.4 PER CENT; 



m, 20.1 PER cent) 



Time. 



Distance of penetra- 

 tion of added water. 



Exper- 

 iment 

 III. 



Water content of the 

 moistened portion. 



Exper- 

 iment 

 III. 



Ratio of water content 

 of the moistened por- 

 tion to hygroscopic 

 coefficient. 



Exper- 

 iment 

 I. 



Exper- 

 iment 

 II. 



Exper- 

 iment 

 III. 



Hours, 



I 



3 



24 



48 ... . 



72 



96 ... . 

 120. . . 



Inches. 



5.0S 

 56 



Per ct. 



37-0 

 31-4 

 28.6 

 28.4 

 27- 7 

 27- S 

 27.4 



2-9 3 



2. 4 2 



2. O 2 



1. 9 2 



1.9 I 



1.9 I 



1.9 I 



2. I 



2. I 

 2. I 



SOIL B (hygroscopic COEFFiaENT = 12.9. 



initial MOISTURE CONTENT: I, 6.3 PER CENT; n, 13.0 PER CENTJ 



in, 21.6 PER cent) 



3-. 

 24. 



48. 

 72. 

 96. 

 120 



I. 8s 

 2.87 

 4. 02 

 4.21 

 4.41 

 4.6s 

 4-65 



2.32 

 3-94 

 6-34 

 7. 01 

 7-32 

 7-44 

 7.60 



3-94 



6. 14 



a 8. 08 



SO. 2 

 34-8 

 26. s 

 2S. 6 

 24. 7 

 23.8 

 23.8 



48.9 

 34- 2 



26. 2 

 24.9 

 24.4 

 24. 2 



43-6 



35-7 



° 32-3 



SOIL C (hygroscopic COEFFiaENT = lO.s. INITIAL MOISTURE CONTENT: I, S-O PER CENT; n, II. i PER CENT; 



in, 1S.8 PER cent) 



96. 



SOIL D (hygroscopic COEFFICIENT = I0.2. 



INITIAL MOISTURE CONTENT: I, 4.9 PER CENT; U, 



m, IS-7PER cent) 



[O.I PER cent; 



3- 



24. 

 48. 

 72. 

 96. 

 120 



2.6 

 2.6 

 2.6 

 2-S 



SOIL B (hygroscopic COEFFiaENT = lo.i. INITIAL MOISTURE CONTENT: 1, 5.0 PER CENT; H, 10.3 PER CENT; 



m, 15.4 PER cent) 



24. 



48. 



72. 



96. 



120 



2-5 



2.4 



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



