534 



BOAED OF AGRICULTUEE. 



Per cent. 



Insoluble phosi^horic acid, . . . . . . 2.26 



Potassium oxide, 2.69 



Nitrogen, 2.91 



Insoluble matter, 6.99 



Valuation per two thousand pounds : — 



114.0 pounds of soluble phosphoric acid, . . . $9 12 



48.6 pounds of reverted phosphoric acid, . . . 8 65 



45.2 pounds of insoluble phosphoric acid, . . . 1 36 



53.8 pounds of potassium oxide, 2 29 



58.2 pounds of nitrogen, 10 19 



$26 61 



Cotton Seed Hull Ashes. 



(American Oil Company, New York ; collected of George D. Howe, North Hadley, 



Mass.) 



No guaranty obtained. 



Valuation per two thousand pounds : — 



230.0 pounds of phosphoric acid (6c.), . 

 532.4 pounds of potassium oxide (5|c.), 



$13 80 

 29 28 



$43 08 



Cotton Seed Hull Ashes. 



(American Oil Company, New York ; collected of D. A. Horton, Northampton, 



Mass.) 



No guaranty obtained. 



Moisture at 100° C, 

 Total phosphoric acid. 

 Potassium oxide, . 

 ^Magnesium oxide, . 

 Calcium oxide. 

 Insoluble matter, . 



Per cent. 



7.30 



9.59 



19.15 



14.81 



12.23 



8.86 



