Canadian Wheats. 
199 
carted on August 19, being subsequently threshed, weighed, 
and valued. The results are given in Table III., page 198. 
From these results it will be seen that what advantage one 
crop possessed over another belonged to the previous treatment 
with mustard and not with tares ; so that the latter have not, in 
this experiment at least, succeeded in showing, even with a 
second corn crop, that they enrich the soil to a greater extent 
than does mustard, so far as corn crops coming afterwards are 
concerned. The tares, hoAvever, gave rather better crops than 
did the rape, which was not the case the year before. As 
between the use of mineral manures and their omission there 
was nothing definite. The barley grown was of much better 
quality than that obtained in the continuous barley series, and 
was valued at from 28s. to 30 s. per quarter on an average basis of 
28s. for the season. Plot 5 (after mustard) was placed highest, 
at 30s., and was described as a “very nice lot, uniform in colour, 
with nice skin, and of good size.” The barley after tares was 
put at 28s. 
It would accordingly seem from this experiment that on 
this class of land, at least, tares do not possess the superiority 
over mustard (as a preparation for corn crops) which theoretical 
considerations, based upon their power of collecting nitrogen, 
would lead one to expect. This question will, however, be 
followed up further. 
Canadian Wheats. — S pring Sown ( Warren Field), 1904. 
The continued interest shown in the growing of Canadian 
wheat in this country caused the series of experiments already 
initiated to be continued. The seed used was from crops that 
had been obtained on the farm (Lansome Field) in 1903, and 
which already had been grown a year previous to this 'in 
England ; so that the present was the third season since the 
introduction of the wheat from Canada. Two varieties, 
“ Preston ” and “ Red Fife,” were sown, at the rate of 10 
Table IV . — Canadian Wheats , 1904. 
(Spring Sown.) 
Produce per acre 
Variety 
Head corn 
Tail corn 
Straw, 
chaff, &c. 
Weight 
Bushels 
Weight 
per 
bushel 
Weight 
“ Preston ”... 
Lb. 
778 
12-6 
Lb. 
616 
Lb. 
14-0 
C. q. lb. 
9 8 24 
“Red Fife” 
1,268 
20-2 
62-8 
150 
16 0 27 
