Analyses of Ashes of Plants. 
Produce and mineral matter of an acre : — 
Grain 
Straw 
Chaff 
Protiuce. 
c\vts. IVs. 
ifi 
21 
3 
05 
23 
-Mineral Matter, 
lbs. 
<t4ft 
r,-2i 
Total . .41 6:?ft 
Analysis of the ash of the sfraiu : — 
Silica . . . 
Phosphoric Acid 
Sulphuric Acid 
Carbonic Acid . 
Lime 
Magnesia 
Peroxide of Iron 
Potash . 
Soda . . 
Chloride of Sodium 
2 '55 
4.1-64 
] • 5,3 
none. 
(i-76 
13-00 
0-11 
28 -89 
1 • 10 
184A 
RemoTsd from an Acre, 
lbs. oz. 
TO 
0 \n 
13 15 
0 7ft 
none. 
1 15-4- 
4 0 
0 Oft 
0 Oft 
none. 
Total 
99 -90 
"0 
Analysis of the ash of the straw, including its chaff : 
Silica . . 
Phosphoric Acid 
Snlphnric Acid . 
Carhonic Acid 
Lime . 
Magnesia 
Peroxide of Iron 
Potash . 
Soda . 
Chloride of Sodium 
09- 66 
0- 62 
3-95 
none. 
7-46 
1- .5G 
0-2S 
10- 31 
0 13 
Removed from an .\cro. 
lbs. oz. 
107 0 
10 3^ 
6 
none. 
11 8 
2 
0 
15 
0 
Total 
99-97 
154 4,1 
Specimkn No. 28. — Cueeping Whf.at. 
From Sir John Johnstone. 
[Soil, calcareous rubble; subsoil, clay; f/eolor/ical formation, the Ox- 
ford clay. Manured with 160 stone (1 ton) of Liebig's wheat manure 
jjeracre; drilled; thin and even crop; bagged August Ith. Esti- 
mated yield 30 bushels per acre (being 3 or 4 bushels less than the 
vest of the field : the soil is, however, rather inferior, and more ex- 
posed to cold wind where the manure was ai)plied) ; straw weak ; 
grain good quality, 63 lbs. to the bushel.] 
Average length of ibc straw 
45 inches. 
2 T 2 
