Oct. 25, 1915 
Temperature and Capillary Moisture in Soils 
167 
At both amplitudes of temperature the percentage taken up increases 
with the colloidal content in the soil, which is natural. 
Table IV .—Movement of moisture from a moist and warm column of soil to a dry and 
cold column of soil and from a moist and cold column of soil to a dry and warm column 
of soil 
Kind and temperature of soil. 
Percentage of moisture in soil. 
Quartz sand: 
At beginning of experiment. 
1.85 
5 - 30 
8- 75 
Movement from moist column at 20° to dry column 
at o° C. 
.0746 
.0879 
. 1129 
Movement from moist column at o° to dry column 
at 20 0 C. 
.0105 
.02131 
. 03912 
Movement from moist column at 40 0 to dry column 
at o° C ... 
. 2048 
. 2210 
.2376 
Movement from moist column at o° to dry column 
at 40 0 C. 
. 0121 
. 0160 
. 01522 
Tight sandy loam-: 
At beginning of experiment.. 
6.497 
10.141 
14 . 17 
Movement from moist column at 20° to dry column 
at n° O, . . . 
•345 
• 550 
. 820 
Movement from moist column at o° to dry column 
at 2^° . ■ . 
. 06l 
. 163 
.448 
Movement from moist column at 40° to dry column 
at o° C . . 
■ 779 
1.18 
1.496 
Movement from moist column at o° to dry column 
at 40 0 C. 
. OOO 
.08 
• 2 35 
Heavy sandy loam: 
At beginning of experiment.. . 
9. 906 
12. 30 
14.695 
Movement from moist column at 20° to dry column 
at o° C. 
• 59 2 
• 569 
.863 
Movement from moist column at o° to dry column 
at 20 0 C. 
* 2I 5 
. 211 
• 445 
Movement from moist column at 40 0 to dry column 
at o° C ... 
•937 
1.094 
1. 309 
Movement from moist column at o° to dry column 
at 40° C . 
. 168 
. 169 
• 150 
Silt loam : 
At beginning of experiment. 
10. 89 
17. 88 
18. 67 
Movement from moist column at 20° to dry column 
at o° C . 
.687 
. 844 
• 989 
Movement from moist column at o° to dry column 
at 20 0 C.. . 
.411 
. 461 
• 5 2 9 
Movement from moist column at 40° to dry column 
at 0 ° C . 
i- 413 
1.942 
2.038 
Movement from moist column at o° to dry column 
at 40° C.... . 
•347 
•445 
•438 
Clyde silt loam : 
At beginning of experiment . 
15 - 349 
25. 086 
36.18 
Movement from moist column at 20° to dry column 
at o° C . 
.429 
.662 
. 962 
Movement from moist column at o° to dry column 
at 20 0 C . 
. 100 
. 606 
. 900 
Movement from moist column at 40° to dry column 
at C". . 
. 814 
1. 554 
2. 046 
Movement from moist column at o° to dry column 
at 40° C. 
. 042 
• 594 
.852 
