608 
Analyses of Ashes of Plants. 
Produce and mineral matter removed from an acre : — 
Grain 
Straw 
Cbaff 
Produce. 
cwts. 
14 
16 
■> 
lbs. 
18 
m 
■2 8i-f 
Mineral Matter, 
lbs. 
•24 
35 
Total 
33 40 
Analysis of the ash of the grain : 
Silica .... 
Phosphoric Acid . 
Sulphuric Acid 
Carbonic Acid . 
Lioie .... 
Magnesia . . 
Peroxide of Iron . 
Potash .... 
Soda .... 
Chloride of Sodium 
1- 42 
46' 18 
0'48 
none. 
2- 82 
13-99 
trace. 
33-00 
2-07 
none. 
Total 99-96 
Removeil 
rom an Acre. 
lbs. 
ozs. 
0 
11 
0 
! o' 
3 
! 7" 
0 
21 
0 
Specimen No. 11, — Spalding Wheat. 
Field 22. College Farm. 
\^Soil, stone-brash (calcareous); subsoil, rock; geological formation, 
great oolite ; undrained, not requiring draining. After rye-grass 
;ind clover mown for hay. Drilled at 9 inches, the end of October, 
1845 i appearance of the crop good ; reaped; carried early in August. 
Estimated yield 30 bushels per acre; straw strong and bright; grain 
second quality, 61 lbs. to the bushel.] 
Average length of the straw . . 38 inches. 
Relation of grain, straw, and chaff : — 
Actual Quantities. Per Onlage. Grain as 1000. 
Grain . . . 1330 .. 45-13 . . IIOOO 
Straw . . . 1316 . . 44-6 
Chaff ... 300 . . 10-20 
Total . . 2940 100-00 2211-1 
Specific gravity of grain . . . 1*377 
Per centage of water and ash : — 
Water. Ash. Asli calculate.l 
ou nrv substance. 
Grain . . . 12-0 . . l'8l . . '2-05 
Straw . . . 10-5 . . 3-57 . . 4-05 
Chaff ... 11-5 . . 7-30 . . 8-24 
Produce and mineral matter removed from an acre : — 
Grain 
Straw 
Chaff 
Total 
PrcKluci". 
Mineral Matter. 
cwts. lbs. 
lbs. 
16 38 
37^5, 
16 17 
3 ^K 
• 
36 14^ 
