28 



Journal of Agricultural Research voi. xviii, no. i 



Table II. — Effect of the removal of the seed heads on the composition of the juice 



191 5 CROP 



Treatment of plants. 



Heads off. 

 Heads on . 

 Heads off . 

 Heads on. 

 Heads off . 

 Heads on. 

 Heads off . 

 Heads on. 

 Heads off . 

 Heads on. 

 Heads off . 

 Heads on. 



Stage of Rfowth when 

 heads were removed. 



Full bloom . 



do 



Milk 



do 



Milk 



do 



Milk 



do 



Soft dough . 



do 



Soft dough . 

 do 



Stage of growth when 

 analyses were made. 



Hard dough . 



do 



Soft dough . . 



do 



Hard dough . 



do 



Mature 



do 



Hard dough . 



do 



Mature 



do 



Percent- 

 age of 

 total 

 solids. 



18.0 

 14.9 

 13.0 



11. 2 



14-3 



IS- 8 



12. 9 

 II. 6 

 II. 4 

 12.8 

 II. 2 



Percentage of 

 total solids as — 



Sucrose. 



Reduc- 

 ing 

 sugars. 



18.5 

 30.0 

 37- o 

 27-5 

 35-6 

 18.0 

 24.4 



32,0 

 27. 2 

 22. o 

 30.6 



Table III. — Effect of the rem,oval of the seed heads on the com,position of the juice 



1916 CROP 



