A*At,tl5)es or THE POTATO^ 



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



Bottom. Per centum. 



Quantity - - • ' - - 210'00 grs. 100 '00 



Dry matter 1-28 709 



Ash ....*** 2*84 117 



MtDsu. Per centum. 



Quantity 186 '70 100*00 



Dry matter - • - ' • - - 8*73 4-68 



Ash - * • * . - . 1'68 0-91 



'tor. Per centum. 



Quantity 77 '200 grs. 100 00 



Dry matter 3'440 2-65 



Ash 0'408 0'53 



Ash calculated dry. 



Aih. Water. 



Bottom 16'5 92-91 



Middle 19'4 96'32 



Top 200 97-3d 



93^ 



XIX. HARPER'S POTATO. 



1. Analytit of the ash. 



Silex ....*-.. 1-118 



Coal 1-132 



Phosphates 11*111 



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



Soda 7-607 



Carbonate of liifte * . . * . 6-666 



Magnesia 369 



Phosphates of soda and potash ... 4-555 



Chlorine 2*780 



Organic matter ••.»..• 4*593 



Sulphuric acid - - - - • - 7*321 



2. Analysis of the phosphates. 



PHOSPHAtts • - - .-. • 11*111 



Phosphate of peroxide of iron ... 0-308 



Soluble silica 0-225 



Lime 1-050 



Magnesia 2293 



Phosphoric acid 7-238 



11*194 



