25 

 CHEMICALS AND RAW PRODUCTS. 



Summary of Results of the Inspection of Fertilizer Simples and Raw 



Products. 



' In calculating the pound cost of nitrogen and commercial valuations, the value of the phosphoric 

 acid and potash was not included. The average commercial value of the phosphoric acid and potash, 

 based on 1926 fertilizer trade values, for cottonseed meal would be $3.78, and for castor pomace $2.11. 



2 Average tankage finer than '/sj inch diameter, 52.47 per cent; coarser than Vso inch, 47.53 per cent. 



' Average bone finer than '/so inch diameter, 69.87 per cent; coarser than Vso inch, 30.13 per cent. 



* This valuation does not include the lime and magnesium oxide which in a ton of average wood ashes 

 would have a value of about $5.00. 



' Total potash. 



Nitrogen Compounds. 



Under this heading are recorded the analyses of fertiUzer simples valued chiefly 

 for their nitrogen. Averages are given in all cases where more than one analysis 

 has been made of the same brand. Deficiencies are emphasized by boldface type 

 in their appropriate table. 



