340 The Woburn Field Experiments , 1908. 
Table I. — Continuous Growing of Wheat, 1908 
(32nd Season ). 
(Wheat grown year after year on the same land, the manures being applied 
every year.) 
Stackyard Field — Produce per acre. 
Head corn 
Tail 
corn 
Straw, 
Value 
per 
quarter 
on basis 
of 
33s. 
Plot 
Manures per acre 
No. of 
bush. 
Weight 
per 
bushel 
Weight 
chaff, 
Ac. 
1 
Unmanured .... 
12-88 
Lb. 
60 75 
Lb. 
15 
C. q. lb. 
10 0 1 
s. d. 
32 0 
2a 
Sulphate of ammonia (=25 lb. 
ammonia) .... 
_ 
_ 
13 
1 2 25 
33 0 
2aa 
As 2a, with 5 cwt. lime, Jan., 
1905 
3-0 
600 
4 
4 2 12 
30 0 
2b 
As 2a, with 2 tons lime, Dec., 
1897 
22-9 
61-2 
28 
12 0 0 
32 0 
2bb 
As 2b, with 2 tons lime (re- 
peated), Jan., 1905 
Nitrateof soda(=50 Ib.ammonia) 
18-7 
59-2 
32 
13 2 11 
32 0 
3a 
26-3 
57-0 
30 
19 3 14 
30 0 
3b 
Nitrate of soda(=25 Ib.ammonia) 
23-7 
59-6 
20 
17 0 18 
32 0 
4 
Mineral manures (superphos- 
phate, 3 cwt. ; sulphate of 
potash, £ cwt.) 
11-3 
61-2 
14 
9 3 17 
32 0 
5a 
Mineral manures and sulphate 
of ammonia (=25 lb. ammonia) 
12-9 
61-5 
12 
8 0 27 
32 6 
5b 
As 5a, with 1 ton lime, Jan., 
1905 
18-4 
61-0 
20 
14 1 27 
32 0 
6 
Mineral manures and nitrate 
of soda (=25 lb. ammonia) . 
26-2 
611 
22 
21 0 27 
32 0 
7 
Unmanured .... 
12-4 
60-7 
17 
9 2 6 
32 0 
8a 
Mineral manures and (in alter- 
nate years) sulphate of 
ammonia (=50 lb. ammonia) 
30' 
61-9 
4 
4 0 3 
32 0 
8aa 
As 8a, with 10 cwt. lime, Jan., 
1905 
17-(P 
62-0 
16 
12 3 6 
33 0 
8b 
Mineral manures, sulphate of 
ammonia (=50 lb. ammonia) 
omitted (in alternate years). 
3 - 4 2 
61-9 
4 
4 1 11 
32 0 
8bb 
As 8b, with 10 cwt. lime, Jan., 
1905 . . . . • . 
12-8 2 
62-5 
20 
10 1 8 
32 6 
9a 
Mineral manures and (in alter- 
nate years) nitrate of soda 
(=50 lb. ammonia) 
28-5 1 
62-1 
30 
22 0 26 
33 0 
9b 
Mineral manures, nitrate of 
soda (=50 lb. ammonia) 
omitted (in alternate years) . 
161 2 
631 
20 
12 2 16 
32 0 
10a 
Superphosphate 3 cwt., Nitrate 
of soda (=25 lb. ammonia) . 
27-7 
58-2 
20 
19 1 0 
30 0 
10b 
Rape dust (=25 lb. ammonia). 
16-C 
62-1 
22 
12 0 23 
32 6 
11a 
Sulphate of potash 1 cwt., ni- 
trate of soda (=25 lb. am- 
monia) ..... 
24-8 
61-7 
24 
18 2 2 
32 0 
lib 
Farmyard manure (=100 lb. 
ammonia) .... 
24-3 
62-0 
20 
22 0 23 
32 6 
Applied. 
Omitted. 
