62 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



" Carbosol." 



Year. Plot 45. Rate 115 gal. per acre. 



Before. After. 



1915 X ^ O 



1 91 6 O Nothing Tr 



1 91 7 Tr Cresylic acid O 



Year. | Plot 58a. Rate 352 gal. per acre. 



j Before. After. 



1915 I XXXX Creol XXXX 



1916 \ XXXX > XX 



1 91 7 I XX Saponified XXX 



creosote 



Year. 



Plot 586. Rate 177 gal. per acre. 





Before. 



After. 



1915 



XXXX Creol 



XXXX 



1916 



XXXX * 



XXX 



1917 



XXX Saponified 



XXX 





creosote 



t 



" Black Carbolic Disinfectant." 



Year. 



Plot 14. 



Rate 230 gal. per acre. 





Year. 



Plot 14. Rate 460 gal. per acre. 





Before. 



After. 







Before. After. 



1915 



XXX 



> XXX 





1915 



XXX Black carbolic XXX 



1916 





Repeated 





disinfectant 



1917 









1916 



XXX > X 









1917 



X Pyridine XXX 



Year. 



Plot 39. Rate 128 gal. per acre. 



1915 

 1916 

 1917 



Before. After. 



X ► X 



X Cresylic acid X 

 X Saponified creosote O 



" Izal." 



Year. Plot 43. Rate 121 gal. per acre. 



Before. After. 



1915 XX > X 



1 91 6 X Cresylic acid X 



1 91 7 X Cresylic acid Tr 



Year. Plot 10. Rate 325 gal. per acre. 



Belore. After. 



1915 XX > x 



1 91 6 Repeated 



1917 — — — 



Year. Plot 10. Rate 670 gal. per acre. 



Before. After. 



1 91 5 XX Izal X 



1 91 6 X > O 



1 91 7 O Nothing XX 



