Crawleij Mill Farm, Woburn, 1884-5, and 1885-6. 501 
far as possible, seemed to be a necessity in order to prevent 
moulding, and hence the boarded doorways were removed and 
these bricked up, boards only being used as a kind of super-silo 
when a heisht was reached where filling: from a cart would 
have been impracticable ; thirdly, in making " sweet " silage, it 
was seen that much greater care and longer time in filling 
would be required than was given last year ; lastly, weighting 
by stones in boxes resting on boards was decided on as a better 
plan than the use of sand resting merely on matting. 
The following series of feeding experiments were carried 
out : — 
1. Silo 4 :— " Sour" Silage v. Roots and Hay-chafif. 
2. Silo 1:—" Sweet" Silage v. Roots and Hay-cha£f. 
3. Srio 3 (1884) :— Oat Silage v. Roots and Straw-chaff. 
4. „ „ Oat Silage v. Hay. 
The 8 feeding boxes were available, as also a shed capable of 
holding 4 bullocks, while the remaining 4 were kept in the 
open yard, a small part of which was covered. 
First Expekiment. — Sour Silage v. Roots and Hay- 
Chaff. 
(a.) Notes on Silo 4. — In this experiment the silage used was 
that from Silo 4, filled as follows : — 
1885. ions. cwts. qre. lbs. 
July 4 :— 12 loads weighing 10 16 3 12 
„ 10:— 4 „ „ 4 G 1 4 
Total .. .. 15 3 0 16 
The weather on each day was fine. Each load was sampled 
as it was being put in the silo ; the grass was trodden well by 
five men, especial care being taken with the corners and sides. 
The boards and weights were put on at the end of the day, the 
height of the contents being 12 ft. 7 in. Iron tubes were driven 
in to different depths, and thermometers let down into them 
registered at 1 ft. depth 68° F., at 2 ft. depth 76° F. By next 
morning the contents had sunk 4 ft. to 4 ft. 6 in., the tempera- 
tures being 78° F. at 1 ft., and 90° F. at 2 ft. On each of the 
mornings of the 6th and 7th the contents had sunk another 
6 in., and on the latter day the boards and weights were 
removed, the temperatures recorded being 76° F. at 1 ft., 90° F. 
at 2 ft., and 90° F. at 4 ft. from the surface. The temperature 
of the barn was 65° F. The 4 ft. depth was in the centre of 
the silo, the 2 ft. at the back, and the 1 ft. at the front. 
Four fresh loads were filled in on July 10. Willesden paper 
was spread over the top, then the boards, and finally the stones 
