Liquid Manure. 



11 



The fixed residue left on evaporation of the liquid had the 

 following percentage composition : 



Organic matter 21-60 



Containing nitrogen (1*52) 



Inorganic matters 78*40 



Consisting of : 



Soluble silica 2-14 



Insoluble siliceous matter 2'08 



Lime 17'64 



Magnesia 2'01 



Potash 

 Chloride of potassium 

 Chloride of sodium . . 

 Phosphoric acid 



63 

 3-41 

 27-46 

 1-22 



Sulphuric acid 1*91 



Carbonic acid and loss .. 16-90 



100-00 



According to these data, the composition of the liquid manure 

 per gallon is as stated in the following table : 



Composition of Liquid Manure, before and after Filtration through Soil from 

 a permanent Pasture. 



An imperial gallon contains : 

 Water and volatile ammonia co 



pounds 

 Containing : 



Ammonia, as carbonate and 



mate of ammonia 

 Organic matters 



Containing nitrogen 



Equal to ammonia 

 Inorganic matters 

 Consisting of: 



Soluble silica 



Insoluble siliceous matter 



Lime 



Magnesia 



Potash 



Chloride of potassium . . . . 

 sodium 



Phosphoric acid 



Sulphuric acid 



Carbonic acid and loss . . 



Before 

 Filtration. 



After 

 Filtration. 



69,888-14 69,856-85 



"} (35-58) 



20-59 



(1-49) 



(1-81) 



(91-27) 



2-34 



2-87 



16-92 



2-74 



40-35 



4-83 



3-94 



5-80 



(20-83) 



31-14 



(2-20) 



(2-67) 



(112-01) 



3-06 

 2-97 



25-21 

 2-87 

 5-19 

 4-88 



39-23 

 1-74 

 2-73 



24-13 



Gain or loss. 



-31-29 



-14-75 



+10-55 

 +71 

 +86 



+20-74 



+ 72 



+2-97 



+13-73 



-11-73 

 +2-14 

 -1-12 

 -3-09 

 -1-21 



+18-33 



70,000-00 70,000-00 



We learn from these results : 



1. That this soil absorbed very nearly the same quantity of 

 ammonia which was absorbed by the soil from the College farm ; 

 20,000 grains in this experiment absorbed 14*75 grains of am- 

 monia, or 1000 grains absorbed '737 grains. 



