years, and 8 years.]

[Note 2: Averages of 9 years, (1853-'61), last 10 years, and total
19 years.]

[Note 3: Averages of 7 years (1855-'61), last 10 years, and total
17 years.]

[Note 4: Averages of 9 years (1853-'61), last 10 years, and total
19 years.]

Experiments on the Growth of Barley, Year After Year, on the Same
Land, Without Manure, and With Different Descriptions of Manure, Hoos
Field, Rothamsted, England.

Table IV.--Offal Corn per Acre--lbs.

[N.B. The double vertical lines show that there was a change in the
description, or quantity, of Manure, at the period indicated, for
particulars of which see _Table I._, and foot-notes thereto, p. 231.]

---------------------------------------------------------------------+
Harvests |
------+------+----+----+----+----+----+-----+----+----+----+----+----+
Plots | 1852 |1853|1854|1855|1856|1857| 1858|1859|1860|1861|1862|1863|
------+------+----+----+----+----+----+-----+----+----+----+----+----+
| lbs. |lbs.|lbs.|lbs.|lbs.|lbs.| lbs.|lbs.|lbs.|lbs.|lbs.|lbs.|
1 O. | 164 |225 | 84 |144 |131 | 93 | 86 |110 | 78 | 88 | 64 | 49 |
2 O. | 100 |101 |101 | 69 | 58 |106 | 103 |159 | 84 | 78 |114 | 58 |
3 O. | 183 |151 | 64 | 76 |129 | 61 || 96 | 83 | 78 | 88 | 73 | 54 |
4 O. | 136 |160 |105 | 94 | 88 | 53 ||108 |160 | 74 | 58 |117 | 57 |
------+------+----+----+----+----+----++----+----+----+----+----+----+
Means | 146 |159 | 89 | 96 |102 | 78 | 98 |129 | 78 | 78 | 92 | 55 |
------+------+----+----+----+----+----+-----+----+----+----+----+----+
1 A. | 218 |253 |201 |138 |219 |113 | 98 |184 |150 |170 |269 |116 |
2 A. | 260 |214 |150 |184 |121 | 88 | 114 |274 |159 |130 |191 | 99 |
3 A. | 252 |336 |197 |177 |180 | 91 || 96 |175 |115 |109 |269 |108 |
4 A. | 273 |274 |138 |142 |125 | 70 ||117 |253 |150 |110 |150 | 81 |
------+------+----+----+----+----+----++----+----+----+----+----+----+
Means | 251 |277 |172 |160 |161 | 91 | 106 |222 |143 |130 |220 |101 |
------+------+----+----+----+----+----++----+----+----+----+----+----+
1 AA. | 299 |303 |326 |204 |310 |135 || 88 |215 |109 |173 |296 |110 |
2 AA. | 315 |251 |329 |181 |233 |133 ||134 |320 |118 |190 |133 |143 |
3 AA. | 318 |236 |334 |212 |290 |108|||118 |265 |122 |138 |364 | 95 |
4 AA. | 246 |301 |273 |150 |176 |183|||143 |285 |141 |179 |191 | 66 |
------+-