296 
Report of Experiments on the Growth of Barley, 
Table XXXIII. — Average Annual Produce and Increase by 200 lbs. Ammonia-salts, and 
Mineral Manure. 
Twenty years, 1852-1871. 
MANURES PER ACRE, 
PER ANNUM. 
AVEEAGE AnNTJAL PBODtTCE, 
&c. 
Average Annual 
Increase, 20 Yeabs. 
riots. 
200 lbs. Ammonia-salts, 
and 
Mineral Manures as under — 
First 
10 Years, 
1852-'61. 
Second 
10 Years, 
1862-71. 
Total 
20 Years, 
1852-'71. 
Second 
10 Years 
over 
(or under — ) 
1 First 10. 
Over 
Mean 
Unmanured. 
Over 
corre- 
sponding 
Mineral 
Manures. 
Dressed Corn per Acre — Bushels. 
2 A 
3 A 
4 A 
5 A 
Saperphosphate 
Mixed Alkali-salts.. 
(Superphosphate andl 
\ Mixed Alkali-saltsJ 
(Superphusphate andl 
\ Sulphate Potass .. / 
45| 
35 
46j 
431 
48J 
35^ 
46i 
44? 
35J 
461 
44J 
Per Cent. 
6-0 
0-4 
0-5 
3-2 
26J 
25i 
23J 
12| 
18J 
21i 
Total Corn per Acre — lbs. 
2A ' 
3 A 
4 A 
5 A 
Superphosphate 
Mixed Alkali-salts .. 
(■Superphosphate andl 
\ Mixed Alkali-saltsj 
rSuperphosphate andl 
\ Sulphate Potass . . / 
2563 
1989 
2593 
2426 
2762 
1995 
2668 
2584 
2662 
1992 
2630 
2505 
7-8 
0-3 
2-9 
6-5 
1474 
804 
1442 
1317 
1223 
724 
1080 
1212 
Straw (and Chaff) per Acre — Cwts. 
2 A 
3 A 
4 A 
5 A 
Superphosphate 
Mixed Alkali-salts . . 
fSuperphosphate and 1 
\ Mixed Alkali-salts) 
(Superphosphate ai.d| 
\ Sulphate Potass ../ 
27J 
Si's 
28| 
271 
27i 
i9i 
28 
28i 
271 
20| 
28J 
28 
-1-5 
-9-8 
-2-9 
1-5 
15J 
8i 
151 
14i ! 
14J 
15t j 
Total Produce (Corn 
, Straw, and Chaff) per Acre — lbs. 
2 A 
3 A 
4 A 
■ 5A 
Superphosphate 
Mixed Alkali-salts .. 
(■Superphosphate audi 
\ Mixed Alkali-salts/ 
(Superphosphate and) 
\ Sulphate Potass . . / 
5683 
4434 
5827 
5542 
5837 
4200 
5808 
5747 
5760 
4317 
5817 
5644 
2- 7 
-5-3 
-0-3 
3- 7 
3218 
1775 
3275 
3102 
2829 
1676 ; 
2655 i 
2962 
Weight per Bushel of Dressed Corn — lbs. 
2 A 
3 A 
4 A 
5 A 
Superphosphate 
Mixed Alkali-salts.. 
(Superphosphate and| 
\ Mixed Alkali-saltsJ 
(Superphosphate andl 
I Sulphate Potass .. j 
51- 8 
5.1-5 
52- 2 
51-9 
54- 1 
55- 7 
55-7 
53-5 
52- 8 
' 54-0 
53- 8 
6-4 
5- 0 
6- 7 
7- 3 
1-1 
0- 4 
1- 6 
1-4 
0-3 
-0-2 ' 
0-6 
0-3 
Corn to 100 Straw. 
2 A 
3 A 
4 A 
5 A 
Superphosphate 
Mixed Alkali-salts . . 
(Superphosphate and) 
( Mixed Alkali-salts) 
(Superphosphate andl 
( Sulphate Potass .. 1 
81-9 
81-4 
79-9 
77-8 
91-8 
91-3 
86-4 
83-1 
86-8 
86-3 
83-2 
80-4 
12-1 
■ 12-2 
8-1 
6-8 ! 
-1-3 
-1-8 
-4-9 
-7-7 
-10-3 
- 6-1 
-13-2 
-15'8 
