ANALYSIS OF COFFEE AND TEA. 
307 
ANALYSIS OF THE ASH OF THE COFFEE BEAN, AND OF THE LEAVES OF 
GREEN TEA. 
Coffee. 
Tea. 
Silica - 
- 
. 
15-625 
16-380 
Earthy phosphates 
- 
. 
33-700 
42-912 
Carbonate of lime 
- 
- 
3-300 
1-280 
Magnesia 
. 
0-750 
0-582 
Potash - 
35-S00 
22-850 
Soda ... 
4-445 
8-112 
Sulphuric acid 
. 
5-650 
5-275 
Chlorine 
. 
none. 
trace. 
Organic matter 
- 
- 
0-350 
1-768 
99-5S0 
98-159 
PROPORTIONS. 
Coffee. 
Tea. 
Dry - 
800-00 
250-000 
Ash ... 
25-88 
12-125 
Coffee and tea appear to be exhausting crops, both the bean and leaf being exported, and 
hence entirely lost to the soil upon which they grew. 
