EXPERIMENT STATION BULLETINS. 



519 



ture moved is based upon the difference in percentages of moisture con- 

 tained in the dry soil at the beginning and end of the experiment. 



TABLE 4.— PERCENTAGE OF MOISTURE MOVED FROM MOIST AND "WARM COLUMN 

 OF SOIL TO DRY AND COLD COLUMN OF SOIL. AND FROM MOIST AND COLD 

 COLUMN OF SOIL TO DRY AND WARM COLUMN OF SOIL. 



Percentage of moisture. 



Moisture in moist column of soil . 



1.85 



5.30 



8.75 



(Movement from moist column at 20°C., to dry column at 0°C 

 Movement from moist column at 0°C., to dry column at 20°C 

 Movement from moist column at 40°C., to dry column at 0°C 

 Movement from moist column at 0°C., to dry column at 40°C 



0.0746 

 0.0105 

 0.2048 

 0.0121 



0.0879 

 0.02131 

 0.2210 

 0.0160 



0.1129 

 0.03912 

 0.2376 

 0.01522 



Moisture in moist column of soil . 



6.497 



T io-ht f Movement from moist column at 20°C., to dry column at 0°C 

 ^H , J Movement from moist column at 0°C., to dry column at 20°C 



loam. 



{Movement from moist column at 40°C., to dry column at 0°C 

 Movement from moist column at 0°C., to dry column at 40°C 



0.345 

 0.061 

 0.779 

 0.000 



10.141 



0.550 

 0.163 

 1.18 

 0.08 



14.17 



0.820 

 0.448 

 1.496 

 0.235 



Moisture in moist colimin of soil. 



9.906 



12.30 



Heavy 



sandy 



loam. 



Movement from moist column at 20°C., to dry column at 0°C 

 Movement from moist column at 0°C., to dry column at 20°C 

 Movement from moist column at 40°C., to dry column at 0°C 

 Movement from moist column at 0°C., to dry column at 40°C 



0.592 

 0.215 

 0.937 

 0.168 



0.569 

 0.211 

 1.094 

 0.169 



14.695 



0.863 

 0.445 

 1.309 

 0.150 



Moisture in moist colmnn of soil . 



10.89 



17.88 



18.67 



f Movement from moist column at 20°C., to dry column at 0°C 

 Silt I Movement from moist column at 0°C., to dry column at 20°C 



loam. ) Movement from moist column at 40°C., to dry column at 0°C 



[Movement from moist column at 0°C., to dry column at 40°C 



0.687 

 0.411 

 1.413 

 0.347 



0.844 

 0.461 

 1.942 

 0.445 



0.989 

 0.529 

 2.038 

 0.438 



Moisture in moist column of soil. 



15.349 



25.086 



Clyde 



silt 



loam. 



Movement from moist column at 20°C., to dry column at 0°C . 0.429 

 Movement from moist column at 0°C., to dry column at 20°C 0.100 

 Movement from moist column at 40°C., to dry column at 0°C| 0.814 

 Movement from moist column at 0°C., to dry column at 40°C| 0.042 



0.662 

 0.606 

 1.554 

 0.594 



36.18 



0.962 

 0.900 

 2.046 

 0.852 



Moisture in moist column of soil . 



Clay. 



(Movement from moist column at 20°C., to dry column at 0°C 

 Movement from moist column at 0°C., to dry column at 20°C 

 Movement from moist column at 40°C., to dry column at 0°C 

 Movement from moist column at 0°C., to dry column at 40°C 



17.05 



21.88 



0.514 

 0.436 

 1.180 

 0.380 



0.653 

 0.502 

 1.482 

 0.850 



23.29 



0.923 



0.796 

 1.552 

 0.873 



