a h c ■ d ' 



Plate 7.— Litliimn Carbonate on Wheat. Season 1912. 



(rt) No treatment ; (//) '003 per cent. ; (c) '002 per cent. ; (<?) '001 per cent, of Lithium 

 respectively in soil. 





/ '/ 





\ 



Plate 8.— Zinc Carhonate and Lead Carbonate on Wheat. Season 1912. 



iiO '03 per cent. : (6) "02 per cent. : fe) '01 per- cent, of Zinc respectively in soil :i((7) 'O.'i per 

 cent. : (t) "02 per cent. ; ( /) '01 per cent, of, Lead respectively in soil. 



