ANALYSES OF WHEAT. 
153 
5. Analysis of the straw and chaff. 
Silica ... 
67*10 
Removed from an acre, 
lbs. oz. 
119 6*8 
Phosphoric acid 
- 
- 
- 
6*05 
12 
8*7 
Sulphuric acid 
- 
- 
- 
5*59 
91 
5*2 
Lime 
- 
- 
- 
4*44 
7 
14*4 
Magnesia 
- 
- 
- 
3*27 
5 
13*0 
Peroxide of iron 
- 
- 
- 
1*54 
2 
11*8 
Potash ... 
- 
- 
- 
10*03 
17 
13*6 
Soda ... 
- 
- 
- 
0*85 
1 
8*6 
99*97 
177 
11*5 
The foregoing extract, exhibiting the proportions of water, grain, composition, etc. of 
an English variety of wheat, has been copied for the purpose of comparison with wheat of 
New-York growth. A comparison can be made by any person who feels an interest in 
the matter. I do not, therefore, propose to enter upon a detail of difference or similarity ; 
observing, however, that in the statement respecting the phosphates and phosphoric acid, 
I have given the phosphates of the earths and phosphates of the alkalies, by which it will 
be perceived that the earths, the lime and magnesia, as well as iron, are in combination 
with phosphoric acid. This fact does not appear in the extract which is given. 
The real composition of wheat appears only when an analysis is made of its parts, as 
bran (which is the cuticle), and its flour. Time, however, has not permitted me to make 
those analyses. I can therefore make only the following very brief statement: 
Shorts, which is mostly a coarse bran, gives 
Ash ...... 5*115 per centum ; which contains 
Silica ...... O’140 
Phosphates of magnesia, lime and iron, 2’380 
Fine middlings lost in a water bath - - 12*78 of water 
Bran - - - - - - 12*37 water, 
which proportions are rather greater than that given by wheat. 
The specimen of winter wheat furnished by Mr. Peters - 9*72 water. 
Summer wheat - - - - - 9*62 
Proportion of ask and water in the straw of four varieties of wheat. 
Mineral matter in a ton of straw. 
Indiana, water - 
Ash. 
8*50 
4*40 
99*90 lbs. 
Old Red-chaff, water - 
Ash ..... 
7*50 
5*22 
117*60 
Improved White-flint, water 
Ash ..... 
9*50 
4*50 
160*80 
Tala vera, water - 
Ash - 
[Agricultural Report — Vol. ii.] 20 
- 
8*00 
5*46 
122*30 
20 
