184 
Report of Experiments on tlte 
Series 3. With mineral manure alone (or without it, on Plot I.), 
ammoniacal-salts having been also applied in 184i). 
Series 4. With soot, soot and lime, or soot, lime, and the 
mixed mineral manure ; these plots having been manured 
with ra])e-cake in 184i^. 
With these exj)lanations, the detailed statement of the manures 
applied, and of the produce obtained, given in Table III., will 
be at once understood. It may be added, however, that on most 
of the plots of Series 1, 2, and 3, the mineral manures (mixed 
with clay-ashes) were sown on January 25, 1851. On the 
same da>' the dung and lime were mixed and clamped on the 
plots of Series 2 ; the mineral manures of Plots V. and VI., 
Series 2, being mixed with the dung and lime, instead of being- 
sown at once as in the other cases. The heaps of dung and 
lime were turned over on the 10th of February, and spread on 
April 28. The manures of Series 4 (soot, lime, &c.) were 
mixed into heaps on the respective plots on January 27, and 
sown February 3. The whole of the land was ploughed imme- 
diately after spreading the dung and lime, on April 28 ; and, 
lieing brought to a proper tilth. Red Clover seed Avas drilled, on 
May 8, in rows 8 inches apart. The plants came up well, and 
the crop was cut on September 3. The details of the manuring 
and ])roduce are given in Table III. 
It was not to be expected that the produce obtained in Sep- 
tember, from seed sown only on May 8 of the same year, would 
be in any way equal to that yielded from seed sown, as is usually 
the case, in the spring of the preceding year. Accordingly, it is 
seen that the maximum crop (Plot 7, Series 2) amounted to 
only 5 tons 9i cwts. of green-clover, equal to about 1 ton G cwts. 
of hay. 
On comparing the produce of Plots 1, 2, and 3, of Series 1, 
2, and 3, with that of Plots 4, 5, and 6, of the same Series, 
it will be seen that the crop on the latter was about double 
that on the former ; the Plots 4, 5, and G, which thus give 
so much the higher amounts of produce, being those which 
received as mineral manure — sulphate of potash, and superphos- 
])hate of lime — ^sulphates of potash, soda, and magnesia — or 
sulphates of potash, soda, and magnesia, and superphosphate of 
lime together. 
The dung and lime (Series 2), and soot and lime (Series 4), 
produced but very little effect. The greatest increase obtained 
by the addition to the mineral manures of the dung and lime 
compost (at the rate of 15 tons of dung and GO l)ushels of lime 
per acre), beyond the produce from the corresponding mineral 
manures used alone, was only e(jual to 4 or 5 cwts. 
In the autumn, after the crop was cut, the plant grew remark- 
