-152 Report of Experiments on the Growth of Wheat. 
Table XXIV. — Produce and Increase of Wheat, both in the Year of 
Application, and during the 7 succeeding Years, by tbe use of Ammonia- 
salts alone for 1 Year after 12 Crops without Manure. 
Plots. 
MANURES, &c. 
] Year, i 
Manured 
(after 12 | 
Unma- 
nured). 
1S36. ; 
Total, 
7 Years 
Unma- 
nured. 
1S57— 
1SG3. 
Dressed Corn, per Acre; in Buphels and Pecks. 
Sa 
400 lbs. Ammonia-salts for 1S5G, afterwards unmanured 
28 OJ 
115 01 
3 
14 2 : 
113 2| 
Increase by Ammonia-salts 
13 2| 
1 2 
Weight per Bushel of Dressed Corn ; lbs. 
3a 
400 lbs. Ammonia-salts for 185C, afterwards unmanured 
56-3 
1 
.. 
54-3 
Increase by Ammonia-salts , .. 
2-0 
Total Corn, per Acre ; lbs. 
3a 
40D lbs. Ammonia-salts for 185G, afterwards unmanured 
1759 
7138 
o 
892 
7025 
Increase by Ammonia- salts 
867 
113 
Total Straw (and Chaff), per Acre ; lbs. 
3 i 
400 lbs. Ammonia-salts for 1S5G, afterwards unmanured 
3052 
11,836 
o 
1558 
11,448 
Increase by Ammonia-salts 
1494 
088 
Total Produce (Corn and Straw), per Acre ; lbs. 
3a 
400 lbs. Ammonia-salts for 1S5G, afterwards unmanured 
4311 
i 18,974 
3 
2450 
. 13,473 
Increase by Ammonia-salts 
2361 
501 
Thus, 400 lbs. of ammonia-salts per acre, applied on land which 
had grown turnips, barley, peas, wheat, and oats since manuring, 
and then 12 crops of wheat without manure, and applied, more- 
