THE BREEDING OF OATS, BARLEY, AND WHEAT. 341 
Yield of Crop, 1904 | Yield of Crop, 1905 
Grape Yield of ch _ a ees 
= ie ae Straw Grain Straw Grain 
OZ. lb. lb. lb lb. 
Six-rowed Barley (Mandscheuri) 2°3 148 68 2887 1629 
Two-rowed Barley (Chevalier) 2°4 112 56 3265 1119 
Hulless Barley (Guy Mayle) . 2°9 184 98 2178 2109 
White Oats (Siberian) P 16 171 61 3553 2102 
Black Oats (Joanette) . : 1°2 196 74 8748 3439 
Spring Wheat (Wild Goose) . 10 46 15 542 241 
From these results it will be seen that we obtained in 1905 fully 
101 bushels of Joanette oats, 61 bushels of Siberian cats, 40 bushels of 
Mandscheuri barley, 35 bushels of Guy Mayle Hulless barley, 27 bushels 
of Chevalier two-rowed barley, and four bushels of Wild Goose spring 
wheat, as the direct result in every case from one seed planted in the 
spring of 1903. When we realise the fact than one single grain of the 
Joanette oats planted in the spring of 1903 produced over 100 bushels of 
grain in 1905, we learn something of the importance of securing even 
single grains of the highest possible value. In comparison with 100 
bushels of the Joanette oats we obtained only about four bushels of the 
Wild Goose spring wheat under just as favourable conditions. The 
Wild Goose spring wheat has only a few heads per plant and a com- 
paratively small number of grains per head. The crops which are here 
reported were greatly admired by about thirty thousand farmers who 
visited the College and examined the experimental plots in June 1905. 
Oats and Barley grown on the same Farm for sixteen Years without 
Change of Seed.—The question of the advisability of making a frequent 
change of seed from one farm to another is one which has claimed the 
attention of farmers for long periods of time. It is a problem which it 
is exceedingly difficult to solve ; in fact, it is practically impossible to find 
a solution which will comply with all cases. Any information, however, 
which can throw light upon this perplexed question should be welcome. 
If it is necessary to change seed grain every two or three years in order 
to keep up the vigour of the plants, the problem of seed selection is an 
exceedingly difficult one. We find at the present day a considerable 
number of the very best farmers who think that good results may be 
obtained by growing the same varieties on the same farm for several years 
in succession without the introduction of fresh seed from other farms, 
soils, or localities. At the Ontario Agricultural College eight varieties 
of oats and eight varieties of barley have been grown for sixteen years 
without change of seed. Care has been exercised each year to select the 
best grain for seed purposes. The crops have been grown on soil which 
might be termed an average clay loam, and in no one year out of the 
sixteen were the crops produced on either a light sandy or a heavy clay 
‘soil. The land received no commercial fertilisers whatever, but was 
manured with about twelve tons of farmyard manure per acre each four 
years. It has been cropped heavily with grain, roots, corn, potatoes, &c., 
and has probably changed but little in its productive capacity. As an 
accurate record has been kept regarding the yield per acre of each variety 
in each of these years, we are thus in a position to present results for 
