240 ANALYSIS, 



Chloride of Sodium 030 



Carbonic Acid and loss 218 



1.64 



♦insoluble Organic Matter 25.76 



Insoluble Inorganic Matter (Ash) — 



Soluble Silica ( gju^j^ ^^j^ ) 967 



Insoluble Silica ( ) 561 



Oxide of Iron, Alumina, with Phosphates 596 



(Containing Phosphoric Acid, .178) 



(Equal to bone earth, .386) 



Lime 1.120 



Magnesia 143 



Potash 099 



Soda 019 



Sulphuric Acid 061 



Carbonic Acid and loss 484. 



4.05 



100.00 

 According to this analysis one ton (2,000 lbs.) Farm-yard Manure con- 

 tains — 



Soluble Silica (silicic acid) 24 Iba. 



Ammonia (actual or potential) 15| 



Phosphate of Lime ^^\o 



Lime 23j;o 



Magnesia 3j^o 



Potash 13^ 



Soda 1| 



Common Salt ^o 



Sulphuric Acid 2^ 



Water 132S| 



Woody Fibre, etc 579 



Of course no two samples of Farm-yard Manure are exactly of the 

 same composition. That analyzed by Dr. Voelcker was selectfid 

 with much care, as representing a fair average. 



GREEN SAXD MARL ( OF NEW JERSEY). 



Protoxide of Iron 1 5.5 



Alumina 6.9 



Lime 6.3 



Magnesia 1-6 



Potash 4.8 



♦ Containing Nitrogen 494 



Equal to Ammonia .599 



Tbe whole Manure contains Ammonia in a free state 034 



» ' " " " in the form of salts 083 



