Erpcrimental Plots at Rothamsted, from 1864 to 1883. 411 
dung did not quite reach 27 bushels, and the highest produce 
in the field only amounted to 35 bushels per acre ; while the 
highest weight per bushel in the field was 57 lbs. The crop 
of the country was estimated to be greatly below an average. 
Tliirty-first Season, 1873-74. 
The temperature in October fluctuated very much ; sometimes 
it was much above the average warmth, and at others it was 
very cold ; on the whole, however, the temperature was colder 
than the average, while in November it was some degrees 
warmer than the average. December was above the average. 
The rainfall in October was slightly below the average, in 
November slightly above it ; while in December hardly any 
rain fell during the month. 
Table XI. — Summary of the Eescxts of the THiExr-FiEST Season, 
1873-74. 
Plots. 
Manures, 
((jnantitiis per Acre.) 
Prodace per Acre, &c. 
Dreissed Com. 
Total 
Com. 
Straw 
and 
Chaff. 
Qnantity. 
Weight 
per 
Bushel. 
3 
2 
10a 
9b 
5a & B 
6a & b| 
7a&b| 
9a 1 
8a & b| 
400 lbs. ammonium-salts = 86 lbs. X. .. 
550 lbs. nitrate of soda alone = 86 lbs. X. 
200 lbs. ammonium-salts = 43 lbs. N. .. f 
400 lbs. ammonium-salts = 86 lbs. X. . . / 
550 lbs. nitrate of soda = 86 lbs. X. .. | 
600 lbs. ammonium-salts = 129 lbs. X. .. | 
bush. pks. 
11 If 
39 1 
25 1 
21 2 
13 0 
25 3i 
39 If 
33 Of 
40 2 
lbs. 
58- 3 
60-2 
56- 5 
57- 5 
59- 1 
59-6 
59- 8 
60- 4 
59-9 
lbs. 
694 
2431 
1476 
1269 
794 
1556 
2449 
2409 
2554 
lbs. 
990 
4439 
1977 
2166 
880 
2221 
4645 
5012 
6063 
Estimated average for the United Kingdom ■! 
29 1 
61-0 
The temperature of January, February, and March was in 
excess of the average. January was unusually warm, the excess 
of temperature being 5^ degrees during the whole month. 
The rainfall was below the average in each of the three 
months, being not more than one-half the usual fall. April 
was an exceedingly warm month, the temperature being on 
several days 10 to 13 degrees over the average. The first three 
