AftALYsLS OF THE POTATO. 
53 
2. Stalk divided in length into 3 equal parts : bottom, middle, top. 
Quantity 
Dry matter 
Ash 
Bottom. 
o* ct 
- 210'00 grs. 
1 ‘28 
2-84 
Per centum. 
100-00 
7-09 
1-17 
Quantity 
Dry matter 
Ash 
Middle. 
186‘70 
8-73 
1*68 
Per centum. 
100-00 
4-68 
0-91 
Quantity 
Dry matter 
Ash - 
Top. 
m m A 
- 
77*200 grs. 
3-440 
0*408 
Per centum. 
100-00 
2-6 5 
0‘53 
Bottom 
Middle - 
Top 
A » 
Ash calculated dry. 
Ash. 
16-5 
19-4 
20*0 
Water. 
92-91 
96-32 
97‘35 
XIX. HARPER’S POTATO. 
1. Analysis of the ash. 
Silex ----- 
1-118 
Coal. 
1-132 
Phosphates ... - 
- 
11-111 
Potash. 
- 
50-094 
Soda - 
- 
7-607 
Carbonate of lime 
- 
6-666 
Magnesia ... - 
- 
0-369 
Phosphates of soda and potash 
- 
4-555 
Chlorine - 
- 
2-780 
Organic matter - 
4-593 
Sulphuric acid. 
2. Analysis of the phosphates. 
7-321 
Phosphates ... 
« 
* 
11-111 
Phosphate of peroxide of iron 
• 
- 
0-308 
Soluble silica ... 
- 
° 
0-225 
Lime ----- 
- 
- 
1-050 
Magnesia - 
- 
- 
2-293 
Phosphoric acid 
7-238 
11*194 
