Smithsonian Report, 1926.—Coville PLATE 11 
——— 
BLUEBERRY PLANT RESUSCITATED WITH ALUMINUM SULPHATE 
On March 31, 1926, this plant was in a sickly dwarfed condition after two years in an ordi- 
nary fertile but neutral soil, and it was getting worse. Aluminum sulphate was applied 
Six months later, when the photograph was taken, the plant had recovered its health 
completely and had nearly doubled in height. About three-fourths natural size 
