40 



ance, and which present results having- variations that are not extreme. 

 For instance, we observe from the table here presented that the Mas- 

 tadon White Intermediate, the Mammoth Intermediate Smooth White, 

 the Steele's Improved Short White, the Iverson's Champion White 

 Intermediate, the Sutton's Matchless White, and the Carter's Hundred 

 Ton, which are all intermediate white varieties, have a variation of 

 about two tons per acre in the average results for five years. In com- 

 parison with this, however, we notice that the Half Lor- Stump 

 Rooted gave a yield of only 18.7 tons of roots per acre. 



Of the newer varieties, not included in the table here presented, the 

 White Griewener, the American Beauty, the Carter's Orange Giant, 

 and the Sutton's Magnum Bonum are among the most promising varie- 

 ties. 



Swede Turnips. 



Although the acreage sown to Swede turnips in Ontario at the 

 present time is not much greater than the average for the past twenty- 

 three years, we notice that there is yet nearlv one-half as much rr.ore 

 land devoted to the growing- of this crop than to the cultivation of 

 mangels and carrots combined. According- to the report of the Bureau 

 of Industries for Ontario, the average yield of turnips per acre for the 

 past twenty-three years is 434 bushels, or about 13 tons per acte. The 

 average yield of turnips throughout Ontario is 25 bushels, or three- 

 quarters of a ton per acre less than that of mangels. 



Varieties. Upwards of eighty varieties of Swede turnips have 

 been under experiment at the College within the past fifteen years. 

 Those varieties which produced the poorest results have been dropped 

 from the list from time to time and only the leading varieties continued 

 in the experiments. The following- gives the names of leading varie- 

 ties, with their average yield of roots per acre for the past five years : 

 Sutton's Magnum Bonum, 23 tons; Buckbee's Giant, 21.9 tons; Kan- 

 garoo, 21.5 tons; Hall's Westbury, 20.9 tons; and Hartley's Bronze 

 Top, 20.7 tons. In the co-operative experiments throughout Ontario, 

 the Sutton's Magnum Bonum has given the highest yield of root$ per 

 acre in each of the years 1902, 1903, and 1904. 



Selection of Seed. For five years in succession, experiments 

 have been conducted with the object of securing information regarding 

 the comparative value of different selections of turnip seed. Each year 

 some of the best commercial seed of a leading variety of Swede tur- 

 nips was purchased for this experiment. With the aid of sieves,, the 

 seed was carefully g-raded into large, medium, and small. The seed of 

 each selection was then carefully hand-picked in order that nothing but 

 apparently sound and perfect seed was used. The experiment was 

 conducted in duplicate each year. The average results for the five 

 years show the following yields of roots per acre: Large seed, 17. i 

 tons; medium-sized seed, 15.2 tons; and small seed, 8.7 tons. 



