222 Yields of Large and Small Seed. [july, 



Experiments extending over a number of years have been 

 conducted by the Ontario Agricultural College, for the purpose 

 of testing the difference in the crop obtained 

 Comparative from large, medium, and small seed. Fresh 

 Yields of Large A u I «. i u r - 



and Small Seed. seec * ^ as " een taken each year from the 



general crop of grain grown either in the 

 Farm or in the Experimental Department. In the selection of 

 large plump seed, half-a-pound was carefully weighed from each 

 kind of grain. The number of large plump seeds was then 

 counted, and a corresponding number was taken of the medium- 

 sized and other grain. The different selections were sown upon 

 plots of similar size. The average results are as follows : — 



Description 

 of Grain. 



No. of ; 

 Years 



that the 

 Tests | 

 have 



been Re- 

 peated. 



Description of 

 Seed. 



Oats 



Parley 



Winter 



wheat 



Spring 



wheat 



Peas 



6 { 



f Large seed 

 -I Medium sized 

 1 1 Small seed 



r 



Large plump 

 Small ditto 

 Shrunken seed 

 Broken seed 

 Large plump 

 Small ditto 

 Shrunken seed 

 Split seed ... 

 Large plump 

 Small ditto 

 Shrunken seed 

 Large seed 

 Small seed 

 Sound seed 

 Split seed ... 



see 

 seec 



Weight of 

 Grain per 

 Measured 

 Busnel. 



lb. 



Average yield per acre 

 (from 6 to 9 years). 



Tons of 

 Straw. 



Bushels 

 of Grain 



by 

 Weight. 



33" 2 



1-9 



62-0 



32*2 



r8 



54'i 



3i-8 



r8 



466 



49'5 



i"5 



53-8 



48-8 



i'5 



50-4 



49' i 



i*4 



46-0 



48-6 



i-3 



43*2 



59'4 



2-6 



46-9 



59'2 



2'2 



40-4 



59-i 



2'I 



39*i 



54-2 



•6 



9' 3 



59-i 



1 '4 



217 



58'3 



1 '3 



18-0 



56-9 



I'2 



167 ! 



56-3 



i-3 



28-1 



56'3 



i*i 



23*0 



58-1 



i'4 



29*2 



57'9 



•6 



IO*2 



In the average of seven years' experiments, large oats pro- 

 duced about 8 bushels per acre more than medium-sized seed, 

 and an average of 15^ bushels per acre more than small seed. 

 Large plump barley gave a yield of nearly 8 bushels per acre 

 more than that produced from shrunken seed in average results 

 for six successive years. 



Split peas and broken wheat gave exceedingly poor results ; 

 broken barley gave 10 bushels per acre less than the large 

 plump seed. 



