72 
ANALYSES OF THE GRASSES. 
COMPOSITION OF THE PHOSPHATES. 
Phosphates - 
- 
- 
- 
3-385 
Phosphate of peroxide of iron 
- 
- 
- 
0-400 
Lime ----- 
- 
- 
- 
1-700 
Magnesia - 
- 
- 
- 
0-490 
Phosphoric acid ... 
- 
- 
- 
1-537 
The ash contained six per centum of organic matter, which is not noted in the work. 
From the foregoing analyses, there will be removed from the soil, in timothy hay, the 
following amounts of the elements which the ash is found to have contained : 
Silica 
Phosphates 
Carbonate of lime 
Magnesia - 
Potash 
Soda - 
Chloride of sodium 
Soluble silica 
Sulphuric acid 
In one ton. From an acre. 
26 
■292 lbs. 
65 
•730 
10' 
155 
35' 
•387 
0 
•120 
0 
■360 
0 
■300 
O' 
■900 
IS¬ 
456 
46' 
160 
C' 
■612 
1' 
530 
1 
■492 
3 
•730 
0 
•120 
0 
•300 
2 
■476 
6' 
190 
II. MIXED HAY. 
Fully ripe and bright : grown upon the clay loam of Albany county. 
ANALYSIS. 
Silica - 
- 
- 
53-950 
Phosphates - 
- 
- 
12-050 
Carbonate of lime 
- 
- 
0-250 
Magnesia 
- 
- 
0-045 
Potash - 
- 
- 
13-955 
Soda - 
- 
- 
5-635 
Sulphuric acid 
- 
- 
5-500 
Chlorine 
- 
- 
1-315 
Soluble silica 
- . 
- 
0-400 
Organic matter 
' 
“ 
' 
5-350 
98-450 
The soil upon which this and several of the preceding substances grew, has been analyzed, 
and found to be composed as follows : 
