EXPERIMENT STATION BULLETINS. 



689 



TABLB 5.— KATE AND lOXTENT OF SOLUBILITY OF A DARK BROWN SILT. LOAM 

 TREATED WITH SALTS AND THEN WASHED UNTIL ALL THE FREE SOLUBLE SALTS 

 WERE ELIMINATED. RATIO OF SOIL TO WATER WAS ABOUT 1 TO .70 AND MIX- 

 TURE MAINTAINED AT ROOM TEMPERATURE. FIGURES REPRESENT FREEZING 

 POINT DEPRESSION. 



TABLE 6.— RATE AND EXTENT OF SOLUBILITY OP A FINE SANDY LOAM TREATED 

 WITH SALTS AND THEN WASHED UNTIL ALL THE FREE SOLUBLE SALTS WERE 

 ELIMINATED. RATIO OF SOIL TO WATER WAS ABOUT 1 TO .70 AND MIXTURE 

 MAINTAINED AT ROOM TEMPERATURE. FIGURES REPRESENT FREEZING POINT 

 DEPRESSION. 



