636 
Analyses of Ashes of Plants. 
Average length of the straw 
Relation of grain, straw, and cKkff : — 
Grain 
Straw 
Chaflf 
Total 
Actual Quantities. 
. . 12S5 
. . 1095 
. . 246 
. . 2626 
Per Ceutage 
48-9 
41-7 
9-4. 
5M 
42 inches. 
Grain as 1000. 
1000-0 
192-2r°^* 
100-0 
Specific gravity of the grain 
Per centage of water and ash : — 
2044-7 
i-362 
Water. 
Ash. 
Grain . 
. 11-50 
1-61 
Straw . 
. 12-43 
2-74 
Chaff . 
. 13-00 
7-04 
Produce and mineral matter of an acre : — 
Grain 
Straw 
Chaff 
Produce, 
cwts. lbs, 
16 38 
13 104 
3 15t^ 
33 Ab]^ 
Analysis of the ash of the grain 
Silica . 
Phosphoric Acid 
Sulphuric Acid 
Carbonic Acid 
Lime . 
Magnesia . 
Peroxide of Iron 
Potasli . . . 
Soda . 
Chloride of Sodium 
2-76 
47-38 
•07 
none. 
6-87 
11-46 
-07 
30-13 
1-25 
Ash calculated 
on dry substanco. 
1-81 
3-12 
8-09 
Mineral Matter, 
lbs. 
96^ 
Removed from an Acre, 
lbs. ozs. 
0 13il, 
13 15,'j 
0 OA 
2 2 
3 6 
8 14 
0 5^, 
Total 99' 99 . . '29 8^ 
Analysis of the ash of the straw, with its proportion of chaff: — 
Silica . 
Phosphoric Acid 
Sulphuric Acid 
Carbonic Acid • 
Lime ... 
Magnesia . 
Peroxide of Iron 
Potash . . . 
Soda . . . 
Chloride of Sodium 
71-49 
3-37 
2- 28 
none. 
7-34 
3- 53 
1-11 
9-47 
1-39 
none. 
lieraoved from an Acre, 
lbs. 0'/.s. 
47 8 
2 4 
1 8 
4'i4 
2 . 
0 117, 
C 41;, 
« 147,1 
Total 
99-98 
6(> (iji.j 
