INSPECTIO,N OF COMMERCIAL FERTILIZERS 



(a) Tonnage of Mixed Fertilizers. 



Complete Fertilizers. 



High-Analysis {lit per cent or more of Nitrogen, Available Phosphoric Acid 



and Potash.) 



Low-Analysis {less than 11^ per cent of Nitrogen, Available Phosphoric Acid 



Ammoniated Superphosphates and 

 Superphosphates with Potash. 



'Grade is expressed in terms of nitrogen (ammonia equivalent in parentheses), available 

 phosphoric acid, and potash. 



