ANALYSES OF MAIZE. 



233 



OCTOBER 5. 



The corneous portion of the kernels is quite firm, or glazed, as it is called. The amyla- 

 ceous part around the chit is yet soft and milky. At this stage, the kernels burn into a 

 white ash much more readily than when ripe. 



Composition of the ash of the kernels. 



Carbonic acid trace. 



Silicic acid 0-900 



Phosphoric acid, with a little peroxide of iron - 50 ■ 010 



Lime 0-075 



Magnesia 4-240 



Potash 28-405 



Soda 11-840 



Sodium 0-345 



Chlorine 0-520 



Sulphuric acid ...... 1*240 



Organic acids ...... 2*100 



99-675 S. 



OCTOBER 18. 



Corn ripe. 



Composition of the ash of the kernels. 



Carbonic acid ...... trace. 



Silicic acid ----.-- 0-850 



Phosphoric acid, with a little peroxide of iron, 60-310 



Lime 0-075 



Magnesia 6-500 



Potash 23-175 



Soda * - 3-605 



Sodium 0-160 



Chlorine 0-295 



Sulphuric acid ...... 0-515 



Organic acids ------- 5 "700 



99-175 S, 



[Agricultural Report — Vol. ii] 



30 



