44 



CONTROL SERIES No. 109 



Ground Bone 



Samples Showing Commercial Shortage of More than $1 per Ton 



Armour Fertilizer Works 

 Organo, Inc. 



2.09a 



3.146 



2.47 

 3.60 



30.88 

 16.92 



23.00 

 15.50 



83.41 

 99.58 



16.59 

 .42 



a Commercial shortage $2.34 per ton. 6 Commercial shortage $4.32 per ton. 



Potash Compounds 



Muriate and High Grade Sulfate of Potash and Sulfate of Potash-Magnesia. 



a Low grade sulfate of potash-magnesia (Langbeinite). 

 Water soluble magnesium oxide 18.74%. 



