Plate 3.— Sulphate of Copper on Wheat. Season 1913. 
(5) -10 per cent. ; (c) ‘05 per cent. ; (d) *02 per cent. : (g) ‘01 per cent. ; (/) '005 per cent. ; 
(g) 0025 per cent, of Copper respectively in soil. 
a c d e 
Plate 4.— Sulphate of Copper on Wheat. Season 1913 
Roots of plants in Plate 3. 
(a) No treatment ; (6) ’10 per cent. ; (c) ‘05 per cent. ; (d) '02 per cent. ; (e) *01 per cent 
of Copper respectively in soil. 
