COMMERCIAL FERTILIZERS. 



233 



L. L. Grocker^s Complete Manure. 

 (Collected of Fuller and Newton, Springfield, Mass.) 



Guaranteed composition : soluble phosphoric acid, G to 8 

 per cent. ; reverted phosphoric acid, 2 to 4 per cent. ; in- 

 soluble phosphoric acid, 1 to 2 per cent. ; ammonia, 2.5 to 

 3.4 per cent, (equivalent to nitrogen, 2.1 to 3.0 per cent.) ; 

 potassium oxide, 6 to 8 per cent. 



Moisture at 100=' C, 



Total phosphoric acid, 



Soluble phosphoric acid. 



Reverted phosphoric acid. 



Insoluble phosphoric acid, 



Potassium oxide, 



Nitrogen, .... 



Valuation per two thousand pounds : — 



135.6 pounds of soluble phosphoric acid, 

 30.G pounds of reverted phosphoric acid, 

 52.6 pounds of insoluble phosphoric acid, 

 93. pounds of potassium oxide, 

 49.8 pounds of nitrogen, . . . . 



Per cent. 

 16.19 

 10.94 

 6 78 

 1.53 

 2.63 

 4.65 

 2.49 



$14 92 



2 45 



3 16 

 3 95 



11 45 



$35 93 



Dole's Common Sense Fertilizer (No. two). 

 (Collected of Parker and Gannet, Springfield, Mass.) 



Guaranteed composition : total phosphoric acid, 4 to 8 per 

 cent. ; potassium o.Kide, 3 to 5 per cent. ; ammonia, 3 to 6 

 per cent, (equivalent to nitrogen, 2.6 to 5.2 per cent.). 



Moisture at 100° C, 

 Total phosphoric acid, 

 Soluble phosphoric acid, . 

 Reverted phosplioric acid. 

 Insoluble pliosphoric acid, 

 Potassium oxide. 

 Nitrogen (in organic matter), 

 Nitrogen (in ammonia salts), 



Valuation per two thousand pounds : — 



12.8 pounds of soluble phosphoric acid, 

 66. pounds of reverted phosphoric acid, 

 25.2 pounds of insolulde j^hosphoric acid, 

 66 8 pounds of potassium oxide, 



