450 Report of Experiments on the Growth of Wheat. 
Table XXIIT. — Produce and Increase of Wheat obtained during 7 Years 
of the application of Phospbatic 1 and Ammoniacal Manure, and during tbe 
12 succeeding Years without Manure. 
Plots. 
7 Years, Manured 
1845—1851. 
2 Years, Uumanuretl . 
1852—1803. 
MANURES, &c. 
Total. 
Average 
Annual. 
*Total. 
Averago 
Annual. 
Dressed Corn, per Acre ; in Bushels and Pecks. 
4 
3 
Superphosphate of Lime, & Sulphate! 
of Ammonia, annually, for 7 years/. 
Continuously unmanured .. .. 
193 0 
123 2fj 
27 2| 
17 2f 
203 If 
185 3J 
16 3| 
15 2 
Increase 
69 l| 
9 3£ 
17 2| 
1 If 
Weight per Bushel of dressed Corn, lbs. 
4 
3 
Superphosphate of Lime, & Sulphate"! 
of Ammonia, annually, for 7 years/ 
Continuously unmanured 
61-2 
60-2 
57-2 
56-5 
Difference 
1-0 
0-7 
Total Corn, per Acre ; lbs. 
4 
3 
Superphosphate of Lime, & Sulphatel 
of Ammonia, annually, for 7 years/ 
Continuously unmanured 
12,786 
8,037 
1827 
1148 
12,858 
11,567 
1072 
964 
Increase 
4,749 
679 
1,291 
108 
Total Straw (and Chaff), per Acre ; lbs. 
4 
i 3 
Superphosphate of Lime, & Sulphate) 
of Ammonia, annually, for 7 yearsj 
Continuously unmanured 
20,620 
12,799 
2946 
1828 
20,783 
19,940 
1732 
1662 
Increase 
7,821 
1118 
843 
70 
Total Produce (Corn and Straw), per Acre ; lbs. 
4 
3 
Superphosphate of Lime, & Sulphate' 
of Ammonia, annually, for 7 years. 
Continuously unmanured 
. 33,406 
20,836 
4773 
2976 
33,641 
31,507 
2804 
2626 
Increase 
12,570 
1797 
2,134 
178 
After the ashes of farmyard-clung had been used without giving 
any increase, the phosphatic and ammoniacal manuring gave, 
