ANALYSES OF THE POTATO. 



53 



2. Stalk divided in length into 3 equal parts : bottom, middle, top. 



Bottom. Per centum. 



Quantity - - - - * - 210-00 grs. 100-00 



Dry matter - - - - - 1-28 7-09 



Ash 2-84 1 17 



Middle. Per cenlum. 



Quantity ■ 186-70 100-00 



Dry matter .--.-- 8-73 4-68 



Ash ...... 1-68 0-91 



Top. Per centum. 



Quantity 77-200 grs. 100-00 



Dry matter ...... 3-440 2-65 



Ash ...... 0-408 0-53 



Ash calculated dry. 



Ash. Water. 



Bottom 16-5 92-91 



Middle --. 19-4 96'32 



Top 200 97-35 



XIX. HARPEE'S POTATO. 



1. Analysis of the ash. 



Silex - 1-118 



Coal 1-132 



Phosphates 11-111 



Potash ........ 50-094 



Soda 7-607 



Carbonate of lime 6-666 



Magnesia 0-369 



Phosphates of soda and potash ... 4-*555 



Chlorine 2-780 



Organic matter - - ... . 4-593 



Sulphuric acid 7-321 



2. Analysis of the ■phosphates. 



Phosphates 11-111 



Phosphate of peroxide of iron - - - 0-308 



Soluble silica 0-225 



Lime 1-050 



Magnesia 2-293 



Phosphoric acid ...... 7 ■ 238 



11-194 



