PLATE 43 



A. — Seedlings grown in (i) 4,000 parts per million sodium-chlorid solution, (2) 6,000 

 parts per million sodium-chlorid solution filtered through soil, (3) 8,000 parts per million 

 sodium-chlorid solution filtered through soil, (4) 4,000 parts per million sodium-chlorid 

 solution filtered through soil, (5) 4,000 parts per million sodium-chlorid solution 

 added to distilled water that had previously been filtered through soil, and (6) 4,000 

 parts per million sodium-chlorid solution -{- 100 parts per million each of sodium 

 nitrate, potassium chlorid, and sodium phosphate. 



B. — Seedlings grown in (i) 4,000 parts per million sodium-chlorid solution, (2) 

 4,000 parts per million sodium-chlorid solution + 30 parts per million of calcium 

 sulphate, (3) 4,000 parts per million sodium-chlorid solution -f 30 parts per million of 

 calcium oxid, and (4) 4,000 parts per million sodium-chlorid solution -1- 30 parts per 

 million of magnesium bicarbonate. 

 153425«>— 20 2 



