360 Report of Experiments on the Groioth of Barley, 
Table XLIX. — Barley in Four-course Rotation of — 
Turnips, Barley, Clover or Beans, and Wheat. 
PAKTICULAIIS OF MANURES, &c. 
Produce of Bakley per Acee. 
1849. 
1853. 
1857. 
1861. 
1865. 
1869. 
Average. 
Dressed Corn — Bushels. 
Hoos-Field — 
Barley, unmanured, after 3 Corn crops 
26 
16^ 
191 
15 
211 
Agdell-Field— 
Barley, in Four-course Rotation — 
Superphosphate, for turnips only 
Mixed Manu.e, for turnips only 
Ail 
29| 
281 
34^ 
285 
38i 
48J 
28^ 
48 
38| 
30i 
60i 
39 
33i 
24i 
28^ 
421 
38i 
291 
44i 
Straw (and Chaff)— Cwts. 
Hoos-Field — 
Barley, unmanured, after 3 Corn-crops 
12^ 
Agdell-Field— 
Barley, in Four-course Rotation — 
Superphosphate, for turnips only 
Mixed Manure, for turnips only 
26i 
181 
18i 
21f 
163 
231 
231 
1.3J 
21i 
22| 
17? 
35J 
19| 
14i 
23^ 
17i 
18J 
29| 
21f 
16J 
25i 
Total Produce (Corn 
and Straw) — lbs. 
Hoos-Field — 
Barley, unmanured, after 3 Corn-crops 
3467 
3295 
2107 
2042 
2016 
2585 
Agdell-Field— 
Barley, in Four-course Rotation — 
Superphosphate, for turnips only 
Mixed Manure, for turnips only 
5656 
3841 
3794 
4465 
3560 
4873 
5337 
3076 
5168 
4718 
3775 
7391 
4182 
3394 
5148 
3358 
3686 
5800 
4619 
3555 
5363 
It has already been shown that the produce of barley was 
much less after 10 turnip-crops — the last 8 with mineral manures 
only — than after 3 preceding corn crops ; but, as the top I'ne in 
each of the divisions of the Table (XLIX.) shows, the produce 
grown year after year on the same land without manure declined 
considerably in the later years. It is now seen that the quantity 
of barley grown in rotation without manure, is very considerably 
greater than that grown in succession without ma .ure. The 
produce is, indeed, considerably higher when grown in rotation 
after unmanured, than after superphosphated turnips. This is 
accounted for by the fact already stated, namely, that as scarcely 
any turnips were removed fiom the unmanured plot, the land 
