SCIENTIFIC AGRICULTURE. 



21T 



ASH OF WHEAT Continued. 



Grain of Wheat. Straw of Wheat. 



Alumina and a trace of Iron, 0.26 Ibs. 



Silica, 4.00 



Sulphuric acid, 0.50 



Phosphoric acid, 0.40 



Chlorine, 0.10 



11.77 Ibs. 



0.90 Ibs. 

 28.70 

 0.37 



1.70 

 0.30 



35.18 Ibs. 



ASH OF BARLEY. 



100 of grain of barley leaves 23.49 Ibs, 1000 Ibs. of straw 

 52.42 of ash. 



23.49 Ibs. 52.42 Ibs. 



ASH OF OATS. 



1000 Ibs. of the grain of oats contain 25.80 Ibs. and of 



straw, 57.40 Ibs. of ash. 



Grain. 



Potash, 1.50 



Soda, 1.32 



Lime, 0.86 



Magnesia, 

 Alumina, 



0.67 

 0.14 



Straw. 

 8.70 

 0.02 

 1.52 

 0.22 

 0.06 



19 



