WHEAT. 



335 



1000 



1000 



1000 



1000 



909. The inorganic substances contained in wheat 

 are also found to vary greatly in composition and 

 proportion from different sorts of wheat. According 

 to the experiments of Sprengel, 100,000 parts of dry 

 wheat contain 1777 parts of inorganic matter; the 

 same quantity of wheat straw contains 3518 parts of 

 earthy matters. These consist of the follow^ing sub- 

 stances : — 



Potash 



Soda 



Lime 



Magnesia 



Alumina 



Silica 



Sulphuric acid 



Phosphoric a<3id 



Chlorine 



1777 



3518 



