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XXI. — Experiments made upon the Growing of Turnips tcith 
different Manures, on the Farm of Gordon Castle, in the ijear 
1845. 
From his Grace the Duke of Richmond. 
The soil is a light sandy loam, and the lots, consisting of one im- 
perial acre, were sown with Dale's hybrid turnips on the 12th of 
June ; they were taken up on the 25th of December, and after 
the roots and shaws were carefully taken off, the weight of the 
bulbs with the different manures were as under. 
Cost 
Weight 
per Acre. 
per Acre. 
£. 
s. 
d. 
Tons. 
Cwt. 
1 
Manured with 14 yards farm-yard tnanure 
3 
6 
0 
12 
18i 
2 
14 yards farm-yard manure and 1|- cwt. 
2 
12 
3 
12 
18| 
3 
14 yards farm-yard manure and 2 bushels 
bones dissolved amongst 50 lbs. sulphuric 
acid, mixed with 25 bushels coal ashes, 
2 
10 
4 
12 
3 
4 
4 bushels bones dissolved amongst 100 lbs. 
sulphuric acid, mixed with 25 bushels 
coal ashes, sown with the hand , . 
1 
6 
7 
10 
5 
2 
8 
0 
8 
11 
6 
1 
2 
6 
10 
I3i 
7 
14 yards farm-yard manure and 14 cwt. 
4 
5 
9 
6 
6 
8 
26 cwt. Cornwall patent manure 
4 
1 
3 
2 
14 
At the same time I beg to state, that where I applied artificial 
manures to the land for turnips in former experiments, the fol- 
lowing or succeeding crops were not nearly so good as those after 
farm-yard manure. 
(Signed) Thomas Bell. 
Gordon Castle, 2oth December, 1845. 
XXII. — On Burning Clay. By J. J. Meciii. 
To Mr. Pusey. 
DiCAR Sir, — I have great pleasure in communicating what I 
know of the benefits of burned earih as a manure. I have used 
it for wheat and for root crops with decided advantage, although 
I have not, unfortunately, kept a statistical account of the dif- 
ference ; still so obvious were the results that I have been induced 
