224 AGRICULTURAL EXPERIMENT STATION. [Jan. 



Sea-weed Ashes. 



Moisture at 10()o C, 

 Calcium oxide, 

 Magnesium oxide, 

 Potassium oxide, 

 Sodium oxide, 

 Phosphoric acid. 

 Sulphuric acid. 

 Sulphur, 

 Chlorine, 

 Magnesium chloride. 

 Insoluble matter, . 



Per cent 

 1.47 

 C.06 

 4.37 



.92 

 8.76 



.30 

 2.98 



.14 

 6.60 



.14 

 63.65 



Rockweed. 



[1. Collected in May. II. Collected in December 



