SCIENTIFIC AGRICULTURE. 219 



ANALYSIS OF PEAT, BY BGUSSINQAULT Continued. 



Sulphuric acid, 5.4 



Chlorine, 0.3 



100.0 



ANALYSIS OF COAL ASHES BY BOUSSINGAULT. 



Argillaceous matter insoluble in acids, 62 



Alumina, 5 



Lime, 6 



Magnesia, 8 



Oxide of manganese, 3 



Oxide and sulphuret of iron, 16 



100 



ASH OF THE BEAN AND PEA. 



100Q Ibs. of seed and straw, dried, contain 



21.36 31.21 24.64 49.71 



ASH OF THE TURNIP AND POTATO. 



10,000 Ibs. of the roots, stalks and leaves, when taken before 

 drying, contain 



