58 



JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 

 Mercury Bichloride, HgCl 2 — (cont.). 



Year. Plot 25. Rate 3 cwt. per acre. 



Before. After. 



1 91 5 XXX Soot XXXX 



1916 XXXX > Tr 



191 7 Repeated 



Year. Plot 52. Rate 3 cwt. per acre. 



Before. After. 



1 91 5 — Nothing X 



1916 X Mercury bichloride Tr 



1917 Tr > Tr 



Year. 



Plot 27. Rate 3 cwt. per acre. 



1915 

 1916 

 1917 



Before. After. 

 XXXX Sulphur XXXX 

 XXXX Vaporite XXXX 

 XXXX . > X 



Year. 



Plot 25. 



Rate 3 cwt. per acre. 





Before. 



After. 



1 915 



XXX 



XXXX 



1916 



XXXX 



HgCl a Tr 



1917 



Tr 



> Tr 



Kainit. 



Year. 



Plot II. 



Rate 68 cwt. per acre. 





Before. 



After. 



1915 



X 



> O 



1916 



O 



Nothing O 



1917 



O 



Nothing O 



Year. 



Plot 5. Rate 121 cwt. per acre. 



1915 

 1916 

 1917 



Before. After. 



XXXX — > 0 



O Nothing XXX 

 XXX Twiset XXXX 



Year. 



Plot 46. 



Rate 86 cwt. per acre. 





Before. 



After. 



1915 



X 



• > O 



1916 



0 



Nothing O 



1917 



0 



Nothing X 



Potassium Sulphate. 



Year. 



Plot 3. Rate 121 cwt. per acre. 



1915 

 1916 



1917 



Before. After. 



XX > X 



X K,S0 4 XX 

 XX Twiset XXX 



Year. 



1915 

 1916 

 1917 



Plot 3. Rate 86 cwt. per acre. 



Before. 





After. 



XX 



K„S0 4 



X 



X 



XX 



XX 



Twiset 



XXX 



Common Salt, NaCl. 



Year. 



Plot 17. Rate 44 cwt. per acre. 



1915 

 1916 

 1917 



Before. After. 

 XXX Chlorinated lime XXX 



XXX > X 



X Pyridine X 



Year. 



Plot 7. Rate 69 cwt. per acre. 



1 9i 5 

 1916 

 I917 



Before. After. 



XXX > 0 



O Nothing X 

 X twiset XXX 



