628 
Analyses uf Ashes of P la ids. 
Analysis of the ash of the grain : — 
Silica ... ... ..... 4-00 
Phosphoric .\cid . . . . 34-44 
Salphuric Acid ... . . 0-24 
Carbonic Acid ... . . . . 
Lime . . . . . . 2-05 
Magnesia 14-09 
Pero.\ide of Iron . . . . truce. 
Potash . . 35-77 
Soda 9-06 
Ciiloride of Sodium . . . none. 
Tutiil ... . . . 99-C5 
Specimen No. 38. — Hopeton Wheat. 
From Air. J. C. 3Iorton, of Whitfield Example Farm, 
[^Soil-, gritty silicious sand ; subsoil, imjiure limestone rock ; geological 
formulion, Silurian; imperfectly drained; 2 years in tillage; after 
turnips, 20 tons per acre carried off.* Drilled in February, 1846; 
short straw; patchy crop ; mown August 12th, carried August 20. 
Estimated yield 28 bushels per acre; straw middling; grain good, 
63 lbs. to the bushel.] . , . 
Average length of the straw 
Grain 
Straw 
Chaft" 
Actual Quantities. 
. 1620 
. 1502 
. 240 ■ . 
I'cr Centagc. 
48-19 
1:;i}53-8i 
Total . . 3362 100-00 
Specific gravity of the grain 
Per centage of water and ash : — 
Grain 
Straw 
Chaff 
\\ater. 
11-5 
1J^3 
13-5 
Ash. 
1-Gl 
4-09 
12-45 
38 inches. 
Grain as 1000. 
1000-0 
148 
:^} 1075- 
2075-2 
1-403 
.\sli calculated 
on ilry substance. 
1-81 
4-77 
14-39 
Produce and mineral matter of an acre: — 
(iirain 
Straw 
Chaflr 
Total 
IVudnce. 
-Mineral Matter. 
cuts. lbs. 
lbs. 
15 84 
14 67 
67 
2 37T-b . 
32ft 
32 76fi, 
127^1, 
* The system of crop|)ing adopted on this liirm is (as is very generally known) that 
of an alternate crop for sale and consumption. Tiie 1st is nhcaijawV^oX; the 2nd, 
successively clover, swedes, beans, and carrots (in allernate rows), and mangold-wurzel. 
The green crops are never consnnicd on (lie land. 
