276 HORTICULTURIST'S RULE-BOOK, 



56. Coal Ashes, Anthracite. 



Water. ...... 6.0 Soda 0.1 



Organic substance . . . 5.0 Magnesia 3.0 



Ash 90.0 Phosphoric acid ... 0.1 



Potash ....... 0.1 Sulphuric acid .... 5.0 



57. Gas-Lime Average of 4 Analyses. 



Moisture at 100 C. . .22.28 Sulphur 20.73 



Calcium oxide .... 42.66 Insoluble matter . . . 6.05 



(e) TRADE VALUES FOR 1895 OF FERTILIZING INGREDIENTS 

 IN RAW MATERIALS AND CHEMICALS. ADOPTED BY EX- 

 PERIMENT STATIONS OF MASS., N. J., PENN., AND CONN. 



Cte. 



per Ib. 



Nitrogen in ammoniates 18 \ 



" nitrates 15 



Organic nitrogen in dry and fine ground fish, meat and blood 16^ 



" " cotton-seed meal 12 



" " fine bone and tankage 16 



" " fine medium bone and tankage ... 14 



" " medium bone and tankage 11 



" " coarser bone and tankage 5 



" " hair, horn-shavings, and coarse fish-scrap 5 



Phosphoric acid, soluble in water 6 



" " ammonium citrate 5| 



" dry ground fish, fine bone and tankage . . 5| 

 " fine-medium bone, and tankage . . . . 4| 



u medium bone and tankage 3 



" coarser bone and tankage 2 



* fine ground fish, cotton-seed meal, and 



wood ashes 5 



" mixed fertilizers insoluble in ammonium 



citrate . 2 



Potash as high-grade sulphate and in forms free from mu- 

 riate (or chlorides) 5| 



" muriate 4 



