•] 



PUBLIC DOCUMENT — No. 38. 



225 



One hundred jjarts of the ash contained (I.) : — 



Potassium oxide, 

 Sodium oxide, 

 Calcium oxide, . 

 Magnesium oxide. 

 Ferric oxide, 

 ^ulpliuric acid, . 

 Phosphoric acid, . 



Per cent. 



4.842 

 12.05i> 

 2.691 

 2.753 

 .338 

 7.986 

 6.240 



3Iud. 



Soil from a Diked Marsh. 



JNloisture at 100° C, 

 Ash, . 

 Calcium oxide. 

 Potassium oxide, 

 Phosphoric acid, 

 Nitrogen, 

 Insoluble matter, 



33.40 

 7.85 

 1.24 

 .26 

 .13 

 1.64 

 3.65 



