634 
Analyses of Ashes of Plants. 
Specific gravitj' of the grain 
Per centage of water and ash : — 
Grain 
Straw 
Chafl' 
Water. 
12-00 
1-2-70 
12-50 
Ash. 
1-72 
4-24 
10-08 
1-381 
Ash calculated 
on dry substance. 
1-95 
4-85 
11 52 
Produce and mineral matter of an acre : — 
Grain 
Straw 
Cliaflf 
Produce, 
cnts. lbs. 
17 80 
3 17t!j 
Total .. 39 52ft 
Analysis of the ash of the grain : — 
Silica 2-14 
Phosphoric Acid 49-58 
Sulphuric Acid -60 
Carbonic Acid none. 
Lime 3-27 
Magnesia 13-75 
Peroxide of Iron -23 
Potash '29-75 
Soda -04 
Chloride of Sodium .... none. 
Total 99-9G 
Mineral Matter, 
lbs. 
35 
(5 
156 
Removed from an .\cre. 
lbs. ozs. 
0 11^, 
0 3^ 
lO^i, 
1 
4 -TO 
10 
0 3 
T5 
31 0^5 
Specimen No. 44. — Red-straw White Wheat. 
From Mr. J. C. Mortoti. 
[Soil, silicious sandy loam ; subsoil, sand and rock ; geological for- 
mution, old red-sandstone, naturally dry ; 7 years in tillage. After 
mangold-wurzel, 30 tons per acre. Drilled at 9 inches, January, 
184(5; good standing crop; mown second week in August. Esti- 
mated yield 38 bushels per acre; straw stiflF ; grain good, 62 lbs. to 
the bushel.] 
Average length of the straw , . 45 inches. 
Relation of grain, straw, and chaff: — • 
Actual Quantities. Per Ccntage. Grain as 1000. 
Grain . . . 1200 . . 39-51 . . 1000-0 
Straw . . . 1593 . . 52-4fiK„ .„ . . 1.327-0 
Chafl" ... 214 . . 8-03, 
00-49 • • "h530-2 
327-01,,, 
•203-2/'''- 
Tolal . . 3037 100-00 2530-2 
Specific gravity of the grain . . 1-392 
