0 8 | 0 8-3/4| 5 6-1/4
4 |Farmyard manure (14 tons), | | | |
| 3-1/2 cwt. superphosphate, | | | |
| and 550 lb. nitrate of soda | 5 8 | 0 7 | 0 19-1/2| 6 14-1/2
5 |400 lb. ammonium salts | 1 19-1/2| 0 7-1/8| 0 3-1/2| 2 10-1/8
6 |550 lb. nitrate of soda | 2 11-7/8| 0 6-7/8| 0 5-1/4| 3 4
7 |400 lb. ammonium salts, 3-1/2 | | | |
| cwt. superphosphate, 300 lb. | | | |
| sulphate potash, 100 lb. | | | |
| sulphate soda, 100 lb. | | | |
| sulphate magnesia | 5 14-1/4| 0 8-1/4| 0 14-3/4| 6 17-1/4
8 |550 lb. nitrate of soda, 3-1/2 | | | |
| cwt. superphosphate, 300 lb. | | | |
| sulphate potash, 100 lb. | | | |
| sulphate soda, 100 lb. | | | |
| sulphate magnesia | 5 19-7/8| 0 7-7/8| 0 19-1/8| 7 6-7/8
9 |3-1/2 cwt. superphosphate | 3 0-3/4 | 0 8 | 0 4-5/8| 3 13-3/8
10 |3-1/2 cwt. superphosphate, 300 | | | |
| lb. sulphate potash, 100 lb. | | | |
| sulphate soda, and 100 lb. | | | |
| sulphate magnesia | 3 4-1/2 | 0 6-1/2| 0 4-7/8| 3 15-7/8
----+-------------------------------+----------+----------+----------+----------
1. In each year the tops were spread on the respective plots.

TABLE XII.--EXPERIMENTS ON THE GROWTH OF POTATOES--_Continued_.

_Average of Twelve Seasons, 1881-92._

----+------------------------------+-------------------------------------------
| | PRODUCE PER ACRE--TUBERS.
Plot| MANURE PER ACRE PER ANNUM. |----------+----------+----------+----------
| | Good. | Small. | Diseased.| Total.
----+------------------------------|----------+----------+----------+----------
| |Tons cwt. |Tons cwt. |Tons cwt. |Tons cwt.
1 |Unmanured in 1876, and each | | | |
| year since | 1 3-3/4| 0 3-3/4| 0 0-1/4| 1 7-3/4
2 |Unmanured in 1882, and since; | | | |
| p