70 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 
Strength of 
Period of 
Effect on Growth of 
Condition cf Ee'wurms 
Solution. 
Soaking. 
in Diiibs. 
Ammonia 
i per cent. 
24 hrs. 
no injurious effect 
live eelworms 
found 
48 „ . 
u 
■*» • • 
>i 
7 2 » 
11 
Ammonia 
2 £ per cent. 
96 „ 
>> 
18 „ 
growth slightly 
retarded 
i» 
»> 
24 „ 
)> ' ' 
48 » 
72 „ 
very slightly 
damaged 
n • • 
96 „ 
Ammonia 
5 per cent. 
18 „ 
growth retarded 
24 ,> 
slightly damaged 
n 
48 „ 
»> 
damaged 
i» 
>> • • 
72 ** 
96 » 
Nicotine . 
i per cent. 
18 „ 
no injurious effect 
>> • • 
n 
24 „ 
11 
11 
48 „ 
n • 
72 „ 
11 
11 
96 „ 
Soft soap and 

18 „ 
sulphur 
tt 
— 
24 », 
ii 
ii 
ii 
48 „ 
j> 
— 
72 „ 
>> 
— 
96 „ 
I) 
11 
Potassium per- 
0-033 p.c. 
18 hrs. 
no injurious effect : 
manganate 
growth slightly 
accelerated 
» 
ii 
24 
i> 
11 
48 „ 
n 
ii 
72 „ 
}> 
n 
96 „ 
Potassium per- 
0*125 p.c. 
18 „ 
tt 
manganate 
»> 
II 
24 » 
11 
11 
48 „ 
11 
n 
II 
72 „ 
11 
11 
96 „ 
" 
11 
Potassium per- 
\ per cent. 
18 „ 
>i 
manganate 
»> 
24 ,» 
11 
n 
48 „ 
»i 
72 „ 
11 
11 
> » 
> » 
96 „ 
>i 
11 
Potassium per- 
\ per cent. 
18 „ 
manganate 
24 „ 
y) 
48 „ 
t y 
j» 
> > 
72 „ 
96 „ 
>> 
Potassium hy- 
i per cent. 
18 „ 
no injurious effect 
" f 
drate 
24 „ 
>> 
48 „ 
i> 
II 
;; 
72 >» 
> > 
>> 
96 „ 
>> 
l> 
Hydrochloric 
i per cent. 
18 „ 
acid 
>> 
24 11 
very slightly 
damaged 
II 
>> 
48 11 
11 
II 
