Oil tlic Food of rianls. 
551 
No. 2. — Tilled field, A ; same locality. 
500 grains taken — 
Highly ferruginous quartz-sand 
Finely-divided matter . 
I organic . 1*8 grains, 
(inorganic* 0*75 
Salt, &c. 
Hygroscopic water 
Analysis of finely-divided matter : • 
25 grains yielded — 
Silica 
Alumina 
Oxide of iron 
Carbonate of lime . 
Carbonate of magnesia 
Organic matter 
Potash, by separate process 
Loss .... 
188-25 grains. 
288* 8 
2-55 
20-05 
499-65 
16-4 
3-2 
2-5 
0-3 
0- 05 
1- 5 
0-88 
0-n 
25-0 
III I 00 [lails 
65-6 
12-8 
10-0 
1-2 
0-2 
fi'O 
3-52 
0-68 
100-0 
Phosphoric acid present, as usual. 
No. 3. — Tilled land, B ; same place as last. 
500 grains of soil gave — 
Sand ..... 
Fine matter .... 
Salt,&c. '•^'^'^"'^ • 
|inorganict 0-8 
Water 
2.38-15 grains. 
243-25 „ 
2-5 
15-45 
Analysis of finely-divided matter 
25 grains gave— 
Silica . 
499-35 
Alumina 
3 
3 
Oxide of iron 
2 
8 
Carbonate of lime . 
1 
2 
Organic matter 
1 
7 
Potash, by other process . 
1 
07 
Trace of maj^nesia . 
25 
-07 
15-0 
In 100 jjarts. 
60-0 
13-2 
11-2 
4-8 
6-8 
4-2S 
* Consisted of carbonate of lime from the decomposition of a little 
organic salt, sulphate of lime, and soluble chloride, 
t Carbonate and sulphate of lime and common salt. 
