*No. 363-831 Phosphoric Acid 5.97%. 

 " 517 " " 1.86%. 



" 379 " " .66%. 



" 438-715 " " 5.20%. 



" 107 Potassium oxide 1.90%, Phosphoric acid 2.65%. 

 NOTE — Castor pomace contains on the average 2.12 percent of phosphoric acid and 1 .20 percent potash. 

 NOTE — Cottonseed meal contains on the average 2 to 3 percent of phosphoric acid and from 1 .50 to 2.50 per- 

 [cent of potash of which about 1 .28 percent is water soluble. 



