MOVEMENT OF SOLUBLE SALTS 



121 



Otf/72 in each Section of So/7 ~Throuqh. 

 Which ID lifers ot Wtler had ptsT HorijonfoUu 

 <A \seraqe of 7 Soils 



^000 



30, ooo 



3. Upward Movement of Salts. 



Evaporating cans of the Stevenson and Schaub model, 

 eleven inches in diameter and thirteen inches deep with a 

 water supply tube at the bottom, had ten kilograms of Green- 

 ville Loam containing different amounts of sodium chloride 

 placed in them. There were nine treatments in all with the 

 following amounts of NaCl on the basis of the dry soil: (1) 

 none, (2) .5 per cent, (3) 1 per cent, (4) 2 per cent, (5) 3 per 

 cent, (6) 4 per cent, (7) 5 per cent, (8) 6 per cent, (9) 7 per 



