EXPERIMENT STATION. 



717 



Nos. 1, 2 and 4 are unleached Canada ashes; the large 

 amount of moisture and of insohible matter in No. 4 ex- 

 plains its lower percentage of potash. Sample No. 3 is a 

 partially leached ash. 



Cotton-seed Hull AsJies. 



[Sent on from North Hadley, Mass.] 



of potassium oxide and of phosphoric acid. 



Cottonseed Hidl AsJies. 



[Sent on from North Hadley, Mass.] 



