ANALYSIS OF SUBSTANCES 



57 



4. Plat Blank. 



No fer 



tilizer 



100 lb. lime 

 on this half 



5. Plat KN, 



15 lb. muri 

 15 lb. nitra 



ate potash 

 te soda 



100 lb. lime 

 on this half 



H 



6. Plat KP. (mixed) 



15 lb. muriate 

 30 lb. superph 



potash 

 osphate 



100 lb. lime 

 on this half 



7. Plat NP. 



15 lb. nitrate 

 30 lb. superp 



soda 

 hosphate 



100 lb. lime 

 on this half 



Plat NPK. 



(mixed) 



15 lb. nitra 

 15 lb. muri 

 30 lb. super 



te soda 

 ate potash 

 phosphate 



100 lb. lime 

 on this half 



Plat S. 



stable manure 



100 lb. lime 

 on this half 



Eight rods long. 



Analyses of Various Chemical Fertilizer and Related Materials 



Dissolved Bone-Black 



This material is a superphosphate prepared by treating refuse bone-black from 

 sugar refineries with oil of vitriol, which renders nearly all the phosphoric acid 

 soluble in water. 



Soluble phosphoric acid 14.55 



Reverted phosphoric acid 2.39 



Insoluble phosphoric acid 0.20 



Bone Charcoal 



Moisture at 100° C 18.16 Reverted phosphoric acid . . 5.18 



Ash 72.24 Insoluble phosphoric acid . . 20.02 



Total phosphoric acid . . . 25.58 Insoluble matter 0.69 



Soluble phosphoric acid . . . 0.38 



