SELECTION AND SAMPLIXU OF SKED. 



161 



tion. The experiments of Pellet with large and small 

 seeds of several varieties were as follows: 



Variety of Seed. 



^^""-'■' IS- 



German Varieties, 1 



Kose II ei^k, small [ 



seed, averafj;*).. . ) 



Gray neck, largel 



seed, average... I 



Greeu neck, large f 



seed, average... J 



Forage f Large seed 



Varieties [ Small seed 



3 = ^ 

 Sim 



CO 



10 

 4to S 



The richer the beet, the greater the per cent, of nitric elements 

 and the smaller tlie percent, of ash. 



In a same variety of seed, the small seed contained more nitrogen 

 than the large. 



So, apparently, a classification, according to qual- 

 ity, could be made on the basis of nitrogen or ash esti- 

 mation. It is very doubtful, however, if this method 

 can be considered thoroughly reliable. Many years 

 ago, Dubrunfaut declared that from his observation 

 superior beet seed gives less ash than the inferior 

 varieties. He maintained that sugar-beet seeds had 

 about four to six per cent, ash,* while in forage beets 

 this ash percentage varied from six to 14 per cent; 

 furthermore, sugar-beet seed appears to contain more 

 phosphoric acid. 



* Chemical composition of beet-seed ashes, Champion Pellet : 



Potash 



Soda 



Lime 



Magnesia 



Sulphuric acid.. 



Chlorine 



Phosphoric acid 



Silica 



Oxide of iron... 

 Magnesia 



Ordinary Seed. 



1. 



21.1 

 8.9 



25.4 



13.5 

 4.0 

 4.7 

 8.4 



13.4 

 1.2 

 0.7 



101.3 



16.4 

 10.4 

 20.2 

 11.5 

 2.8 

 4.1 

 9.3 



26.4 



Vilmorln 



Improved 



Seed. 



24.2 

 12.8 

 17.2 

 10.1 

 4.3 

 4.1 

 17.4 



11. 



11 



