MANURES. 



333 



Analysis of Peruvian, Guano. 

 In every 100 parts there are of 



Organic Matter, containing Nitrogen, including Urate of Ammonia, and J 

 capable of affording from 8 to It per cent, of Ammonia, by slow > 50. 

 change in the soil ) 



Water 11 . 



Phosphate of Lime 25 . 



Ammonia, Phosphate of Magnesia, Phosphate of Ammonia and Oxa- ) , 

 late of Ammonia, containing from 4 to 9 per cent, of Ammonia f 



Silicious matter from the crops of birds 1 . 



Dr. Ure. 

 Another analysis. 



Water 13.09 



Organic Matter, containing Ammonia 53.1*7 



Common Salt and Sulphate of Soda 4.63 



Carbonate of Lime 4.18 



Phosphate of Lime and Magnesia 23.54 



Silicious Matter or Sand 1.39 



Johnston. 



Professor S. W. Johnson publishes the following table : 

 Analysis of Peruvian Guano. 



L H ILL fv" 



Water ) 12 - 63 12 - 7 I fi on fift 70 



Organic Matter f 66.3265.18 52.2751.46 f 68 ' 00 



Ammonia, potential... . 5.82 5-JJ5 16>0 3 15.98 17.8618.85 16.32 



Phosphoric Acid soluble 



in water 4.69 3.64 



T^l 1 !- Ill 



Phosphoric Acid insoluble 



in water 10.0510.50 



Sand, &c., insoluble in acids 1.69 1.52 2.45 2.< 

 Phosphate of Lime, i 



equivalent to total Y Av. 21 .28 31 . 69 



Phosphoric Acid . ) 



Analysis of Bolivian Guano. 



Water 6.91 



Organic Matter containing Ammonia 55.52 



Common Salt and Sulphate of Soda 6.31 



Carbonate of Lime 3-87 



Phosphate of Lime and Magnesia 25.68 



Silicious Matter or Sand 1.71 



