10G 



Changes in the amounts of water-soluble salts in the surface 18 

 inches of soil in cylinders, associated with naked fallow and cap- 

 illary movement. 



From this table it will be seen .that, in the majority of cases, 

 there has been an increase in the water-soluble salts during the 

 70 days of capillary movement. In the Sandhill type, except 

 in the case of silica, there has been an increase of 1 to 2-fold. 

 In the Selma Silt Loam there was a loss of chlorine in one case, 



