308 Report of Experiments on the Growth of Barley, 
Table XXXVIII. — Average Annual Produce and Increase by Eape-cakc. 
MANURES PER ACRE, 
PER ANNUM. 
AVEBAGE.AnKCAI PEODnCB, &c. 
Avf.kage .iVkkdal 
InCBEAIsE, 
20 YeaeS, 1862-1871. 
Plots. 
2000 lbs. Rapc-cake, 6 yrs., 1852-'5V. 
1000 lbs. Rape-cake, 14 yrs., 1858-'71. 
Witliout Mineral Manure, 
aud 
with Mineral Manures as under. 
First 
Period, 
6 Years, 
1852-'57. 
Second 
Period, 
14 Years, 
1858-'71. 
Total 
Period, 
20 Years, 
1852-'71. 
Second 
Period, 
over 
(or under — ) 
First. 
Over 
(or under — ) 
Mean 
Unmanured. 
Over (or 
under - 
corre- 
sponding 
.Mineral 
Manores 
Dressed Corn, per Acre — Bushels. 
Per Cent. 
1 c 
Without Mineral Manure .. 
481 
44 
451 
- 8-8 
2 C 
Superphosphate of Lime .. 
47i 
46^^ 
46J 
- 2-6 
251 
2U 
3 C 
Mixed Alkali-salts .. 
444 
43| 
43f 
- 2-8 
22f 
n\ 
4C 
rSuperphosphate and Mixed) 
48 
47| 
- 1-8 
26^ 
20 
Total Corn, per Acre — lbs. 
1 c 
2 C 
3 C 
4C 
Without Mineral Manure . . 
Supt^phosphate of Lime . . 
Mixed Alkali-salts .. 
^Superphosphate and Mixed) 
2664 
2673 
2505 
2662 
2527 
2660 
2489 
2713 
2568 
2664 
2494 
2698 
- 5-1 
- 0-5 
- 0'6 
1-9 
1380 
1476 
1306 
1510 
1225 
122C 
1148 
Straw (and Chaff), per Acre — Cwts. 
1 C 
2 C 
3 C 
4 C 
Without Mineral Manure.. 
Superphosphate of Lime . . 
Mixed Alkali-salts .. 
jSuperphosphate and Mixed) 
3Ii 
^^ 
30J 
32J 
24f 
26| 
25| 
28| 
261 
281 
27J 
29i 
-21-9 
-17-8 
-15-0 
-13-1 
14i 
16^ 
15 
17i 
\h 
15J 
Total Produce (Corn Straw, and Chaff), per Acre — lbs. 
1 c 
2 C 
3 C 
4 C 
Without Mineral Manure . . 
Superpliosphate of Lime .. 
Mixed Alkali-salts .. 
(■Superphosphate and Mixed) 
6212 
63(15 
5895 
6300 
5296 
5646 
5369 
5875 
5571 
5844 
5527 
6002 
-14-7 
-10-5 
- 8-9 
- 6-7 
3029 
3302 
2985 
3460 
2913 
2886 
2840 
Weight per Bushel of Dressed Com — 
lbs. 
1 c 
2 C 
3 C 
4 C 
Without Mineral Manure . . 
Superphosphate of Lime .. 
Mixed Alkali-salts 
(■Superphosphate and Mixed 1 
51-0 
51-2 
51-1 
50-7 
55-0 
55-0 
54-9 
54-9 
53-8 
53-9 
53-7 
53-6 
7-8 
7-4 
7- 4 
8- 3 
1-4 
1-5 
1-3 
1-2 
0-7 
0-7 
2.0 
Corn to 100 Straw. 
1 C 
Without Mineral Manure . . 
75-4 
92-4 
87 
3 
22-5 i 
-U 
8 
2 C 
Superphosphate of Lime .. 
74-1 
90-5 
85 
6 
22-1 i 
-2 
5 
-IT! 
3 C 
Mixed Alkali-salts .. 
74-2 
87-5 
83 
5 
17-9 1 
-4 
6 
- 8'; 
4 C 
(Superphosphate and Mixed) 
( Alkali-salts / 
73-3 
87-2 
83 
0 
19-0 
-5 
1 
-13-- 
