THE SOIL OF THE COTTON STATES. 73 
Silica 
Carbonic acid. . 
Chlorine 
Sulphuric acid. 
Phosphoric acid 
Lime 
Magnesia 
Potash 
Soda 
27.800 
Loss 0.200 
28.000 
0.260 grains. 
1.000 " 
0.260 
0.240 «' 
7.648 " 
1.122 " 
5.032 " 
7.276 " 
4.962 
Analysis of the Ashes of the entire Plant of Upland or Short- 
staple Cotton, from Savannah Eiver, Georgia. 
The whole plant, wMch weighed three pounds when 
dried, yielded, on burning, nine hundred and sixty grains 
of ashes, twenty-five grains of which were resolved into— 
Silica 0.570 grains*. 
Carbonic acid 5.600 " 
Ohloi-ine 0.239 " 
Sulphuric acid 0.927 " 
Phosphoric acid 2.403 " 
Lime 4.478 " 
Magnesia ., 2.509 " 
Potash and soda (diflf.) 6.394 
Peroxide of iron , 1.880 " 
25.000 
Remarks. — ^By these analyses we learn the nature and 
proportions of the mineral ingredients which the different 
4 
