360 ARTIFICIAL MANURES. 



from Jndd's Agricultural Annual for 1868 of great value, 

 as affording a good general guide in determining the value 

 of manure by the use of an analysis : 



PRICES OF STANDARD FERTILIZERS, AND A STANDARD FOR 



PRICES. 



The prices of some of the standard fertilizers offered in 

 the New York market simply as such, in December, 1867, f 

 are as follows: 



Peruvian Guano, in quantities of 50 tons, per long ton, (gold) $60.00 



do do in smaller quantities the price varies with the premi- 

 um on gold; with gold at 35 per cent, prem., per 2000 Ibs 85.00 



Baker's or Jarvis' Island Guano a phosphatic Guano from the S. Paci- 

 fic Ocean, which should contain equivalent to 60 to 70 per cent, of 



bone phosphate of lime, per 2000 Ibs 45.00 



Superphosphate of lime, per 2000 Ibs 55.00 



Bone, fine ground, in 250 Ib. bbls., per 2000 Ibs 45.00 



Flour of bone, per 2000 Ibs 60.00 



Fine floated bone, per 2000 Ibs 65.00 



Fish manure, dry and finely ground, per 2000 Ibs 45.00 



do unground, per 2000 Ibs 30.00 



Gypsum or plaster, sold in quantities of 7 bbls., per bbl. (250 Ibs). . . 1.75 



Shell lime, in bulk, per bushel 10 



do per bbl 1.50 



Sulphuric acid of 66 degrees, (oil of vitriol) per Ib 2fc. 



do do of 60 degrees, (pan acid) 2Jc. 



Carboys containing about 150 Ibs. of this acid cost $3 

 each, and may be returned when empty. 



The following table was prepared by John B. Laws, of 

 Rothampstead, England. The money values of the manure 

 resulting from feeding the several substances are based on 



