XII Journal of Agricultural Research voi. xvin 



Page 



Plate 43. A. — SeedUngs grow-n 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 soditim-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 -f i co 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 -f 30 parts per million of calcium 

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

 million of calcium oxid, and (4) 4,000 parts per million sodium-chlorid 

 solution+30 parts per million of magnesium bicarbonate 356 



Plate 44. A. — Seedlings grown in (i) distilled water, (2) 4,000 parts per mil- 

 lion sodium-chlorid solution -f 30 parts per million of calcium sulphate, (3) 

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

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

 parts per million of magnesium sulphate, and (5) 4,000 parts per million 

 sodium-chlorid solution + 30 parts per million of barium chlorid. B. — 

 Seedlings grown in (i) distilled water, (2) 4,000 parts per million sodium- 

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

 parts per million sodium-chlorid solution + 30 parts per million of sodium 

 nitrate, (4) 4,000 parts per million sodium-chlorid solution + 30 parts per 

 million of sodium phosphate, (5) 4,000 parts per million sodium-chlorid. 

 solution + 30 parts per million of ferric chlorid, and (6) 4,000 parts per 

 million sodium-chlorid solution -f 30 parts per million of potassium alum . 356 



Plate 45. A. — Seedlings grown in sand watered with (i) 4,000 parts per mil- 

 lion sodium-chlorid solution and (2) 4,000 parts per million sodium-chlorid 

 solution -f 30 parts per million of calcium sulphate. B. — Seedlings 

 grown in (i) 4,000 parts per million sodium-sulphate solution, (2) 4,000 

 parts per million sodium-sulphate solution + 30 parts per million of cal- 

 cium sulphate, (3) 4,000 parts per million sodium-sulphate solution + 30 

 parts per million of calcium oxid, (4) 4,000 parts per million sodium- 

 sulphate solution + 30 parts per million of magnesium sulphate, and (5) 

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

 barium chlorid 35^ 



Plate 46. A. — Seedlings, 3 days old, grown in (i) distilled water, (2) 4,000 

 parts per million sodium-sulphate solution, (3) 4,000 parts per million 

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

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

 sodium nitrate, (5) 4,000 parts per million sodium-sulphate solution + 

 excess ferric hydrate, and (6) 4,000 parts per million sodium-sulphate solu- 

 tion + aluminum hydrate. B. — Seedlings, 11 days old, grown in (i) 

 2,500 parts per million sodium-bicarbonate solution, (2) 2,500 parts per 

 million sodium-bicarbonate solution + 30 parts per million of sodium 

 nitrate, (3) 2,500 parts per million sodium-bicarbonate solution + 30 parts 

 per million of potassium chlorid, (4) 2,500 parts per million sodium-bicar- 

 bonate solution + 30 parts per million of magnesium sulphate, and (5) 

 2,500 parts per million sodium-bicarbonate solution -f 30 parts per million 

 of calcium oxid 356 



Plate 47. A. — Seedlings grown in (i) 4,000 parts per million sodium-chlorid 

 solution, (2) distilled water, (3) 4,000 parts per million sodium-chlorid 

 solution + 40 parts per million of calcium oxid, (4) 4,000 parts per million 



