2 
The Permanent Wheat and Barley Experiments 
Experiments conducted Year after Year on the same Land, 
Stackyard Field, Woburn. 
Mean Results for 10 Tears, 1877-1886 : Quantities per Acre. 
Dressed Grain 
Plot 
Manures 
Bushels 
u 
a> 
Straw 
Highest 
yield 
Lowest 
yield 
Mean of 
Highest 
& Lowest 
General 
mean 
Weight p 
bushel 
0) 
(2) 
(3) 
(i) 
(5) 
(6) 
(7) 
(8) 
WHEAT. 
lbs. 
cwts. 
25-7 
96 
17-7 
16-8 
56-4 
17| 
26-6 
7-5 
17-1 
17-4 
66-3 
17| 
28-2 
10-4 
19-3 
17-7 
56-8 
18i 
40-3 
11-5 
25-9 
25-4 
56-5 
24a 
410 
10 5 
25-8 
241 
54-8 
25J 
46-1 
13-0 
29-6 
31-5 
57-8 
■32 
45-2 
14-0 
29-6 
32-4 
67-8 
34f 
48-8 
270 
37-9 
38-8 
58-2 
42^ 
32-5 
13-3 
22-9 
'20-4 
»58-6 
mi 
51-0 
26-1 
38-6 
37-2 
57-8 
44J 
21-9 
12-2 
17-1 
nri 
358-2 
mi 
Unmanured, 
Unmanured 
Mixed Mineral Manure . 
200 lbs. Ammonium-salts 
275 lbs. Nitrate of Soda . 
Mixed Mineral Manure and 200) 
lbs. Amm.-salts (in spring) . ) 
Mixed Mineral Manure and 275) 
lbs. Nitrate of Soda (in spring) J 
Mixed Mineral Manure and) 
400 lbs. Amm.-salts , , . / 
Mixed Mineral Manure , . , . 
Mixed Mineral Manure and 1 
560 lbs. Nitrate of Soda . . / 
Mixed Mineral Manure 
BARLEY. 
Unmanured 
Unmanured 
Mixed Mineral Manure . 
200 lbs. Ammonium-salts 
275 lbs. Nitrate of Soda . 
Mixed Mineral Manure and) 
200 lbs. Amm.-salts (in spring) ) 
Mixed Mineral Manure and 275 1 
lbs. Nitrate of Soda (in spring) j 
Mixed Mineral Manure and) 
400 lbs. Amm.-salts , , . j 
Mixed Mineral Manure .... 
Mixed Mineral Manure and| 
600 lbs. Nitrate of Soda . . 1 
Mixed Mineral Manure .... 
34-1 
19-1 
2G-6 
26-9 
51-8 
33-3 
130 
23-2 
230 
510 
33-6 
11-8 
22-7 
23-3 
51-8 
51-2 
27-1 
39-2 
39-4 
520 
51-6 
21-6 
36-6 
40-4 
51-7 
51-9 
28-7 
40-3 
430 
53-4 
57-8 
27-3 
42-6 
460 
53-0 
62-5 
30-8 
46-7 
51-2 
52-9 
46-4 
26-5 
36-5 
'370 
'53-6 
66-8 
370 
61-9 
53-3 
52-4 
37 2 
37-7 
325 
'34-5 
»53'8 
' Only one pint from 1877 to 1881 inclusive. lu 1882 and since, it has been divided into "o" and "b'' 
portions, and the niaiuires alternated each year. One half (8n) in that year (1882) received Mineral 
Manure alone, and the other half (8&) received 400 lbs. Aunnonium-palts in addition (as applied to the full 
plot in previous years). In 1883, 8a received the minerals and ammouium-salts, and 86 the minerals alone, 
and so on, alteniating each year. 
•' The .same plan adopted as for plot 8, witU tUo gsceptiou tliat 560 \])S, Hitralc 9I SoJa Wcrc RppUed 
instead of the 400 lbs. Ammouium-.'jalts. 
' Average of Uvc ywirji puly, 1882-1880. 
