Basic Cinder as Manure. 
135 
The dung was used at the rate of 18 tons per acre. The seed was sown on 
May 22. 
(3.) Those of Mr. J. Edwards were carried out at Tyntesfield, Somerset, 
on a red loam overlying carboniferous limestone. Previous cropping : 1887, 
Swedes; 1888, Oats. The farmyard manure was used at the rate of 18 
tons per acre. Seed sown on May 31. The nitrate was not applied till 
August 3. The tops were badly mildewed. The roots were weighed on 
November 6. 
(4.) Mr. Haygarth experimented at Siddington, Gloucestershire, on a 
rather stony marl on the Forest Marble. Previous cropping : 1887, Wheat ; 
1888, Barley. Farmyard manure, 12 tons. All the artificials were 
sown with the seed on May 31, and the crop weighed on October 21. 
(8.) Mr. Silvester's experiments were at Hedges, St. Albans, Herts, 
on a light soil on the glacial drift. They were in an ordinary five-course 
rotation. Farmyard manure, 12 tons. The phosphates and the seed were 
sown the second week in June, the nitrate when the roots were singled ; and 
the crop was weighed the last week in October. 
(,10.) The Royal Agricultural College experiments were on calcareous clay 
on the Great Oolite. Previous cropping three years' roots. Farmyard 
manure, 12 tons per acre. The phosphates and the seed were sown on June 7, 
Weight of Roots per Acre. 
plot 
(1) 
G. J. It 
Burnett 
(3) 
J. Edwards 
(4) 
1.. B. 
Haygarth 
(8) 
F. W. Sil- 
vester 
(10) 
Royal Agri- 
cultural 
College 
1 
2 
3 
4 
Farmyard Manure 
Series 
4 cwt. basic cinder . 
3 cwt. superphosphate 
Nothing extra . . . 
6 cwt. basic cinder . 
tons cwt. 
15 19f 
21 S,] 
17 2" 
16 19£ 
tons cwt. 
22 IS 
22 19| 
20 15| 
19 11£ 
tons cwt. 
18 14, 
20 0 
17 8 
17 12i 
tons cwt. 
14 171 
17 17§ 
17 H 
15 19i 
tons cwt. 
15 101 
15 191 
14 01 
14 12 
Average of farmyard i 
manure plots . . f 
17 
21 
16 
8| 
IS oi 
5 
G 
7 
8 
No Extra Manure 
Scries 
4 cwt. basic cinder . 
3 cwt. superphosphate 
6 cwt. basic cinder 
15 
15 
11 
14 
161 
n 
18| 
18| 
11 
15 
6 
15 
16f 
11 
14 8i 
14 3| 
13 6 
14 114 
11 
13 
8 
13 
17* 
6* 
82 
II 
12 61 
13 4f 
11 8£ 
(19 8£) 
Average of non-nitro- ) 
gen plots ..,.)" 
14 
12 
14 2i 
II 
Hi 
12 6 
9 
10 
11 
12 
Nitrate of Soda Series, 
1 eat, per Acre 
4 cwt. basic cinder . 
3 cwt. superphosphate 
Nothing extra . . . 
6 cwt. basic cinder . 
10 
17 
15 
16 
H 
14 
13 
6 
13 
91 
"2 
HI 
8" 
17 5J 
18 5| 
16 12 
16 101 
11 
14 
6 
7 
7 a 
if 
10 
12 
16 17f 
19 11 
17 15| 
16 17| 
Average of nitrate i 
16 
6 
II 8 
17 3f 
Last two 
unhealthy 
17 15* 
