



>;'^A / .„ ; - 



■Ja^iiutitui 



f 



Plate 1.— Nitrate of Copper on Wheat. Season 1914. 



(a) No treatment ; (b) .10 per cent. ; (c) .05 per cent. ; (d) .02 per cent. ; (e) .01 per cent. 

 (f) .005 per cent, of Copper respectively in soil. 



Plate 2.— Nitrate of Copper on Wheat. Season 1914. 

 Roots of plants in Plate 1. 



(a) No treatment ; (b) .10 per cent. ; (c) .05 per cent. ; (d) .02 per cent. ; (e) .01 per cent, 

 of Copper respectively in soil. 



