EXPERIMENT STATION". 27 



ANALYSES AND VALUATION OF FERTILIZERS. 



The 'classification of the Fertilizers analyzed in the Station 

 Laboratory from March 1st, to November 1st, 1883, is as follows: 



5 native phosphates. 

 4 bone char. 



6 plain (non-nitrogenous) superphosphates. 



75 nitrogenous (amraoniated) superphosphates and guanos.* 

 31 special fertilizers or "formulas." 



1 bat guano. 



23 bone manures. 



8 dry ground fish. 



2 nitrate of soda. 



2 sulphate of ammonia. 



2 dried blood. 



1 meat and plaster. 



1 slaughter house refuse. 

 10 castor pomace and cotton-seed meal. 

 13 potash salts. * 



1 alkali deposit, 



9 plaster. 



4 limestone rocks. 



1 rock. ' 



2 quick lime. 



1 waste slaked lime from paper mill. 



2 infusorial earth. 



2 ashes of cotton-seed hulls. 

 4 wood ashes. 



3 leached ashes. 

 1 farm manure. 

 1 compost. 



4 mucks. 



219 



Of this number 14 were analyzed for private parties and are 

 not noticed in the following pages, since the results are not of 

 general interest or value. 



* Including "fish and potash." 



