The Bulletin. 7 



Relative value per ton, or the figures showing this, represents the 

 prices on board the cars at the factory, in retail lots of five tons or 

 less, for cash. 



To make a complete fertilizer the factories have to mix together in 

 proper proportions materials containing ammonia, phosphoric acid 

 and potash. This costs something. For this reason it is thought 

 well to have two sets of valuations — one for the raw or unmixed 

 materials, such as acid phosphate, kainit, cotton-seed meal, etc., and 

 one for mixed fertilizers. 



The values used last season were : 



VALUATIONS FOR 1909. 



In Unmixed or Raw Materials. 



For phosphoric acid in acid phosphate. ... 4 cents per pound. 

 For phosphoric acid in bone meal, basic slag 



and Peruvian guano S^/o cents per pound. 



For nitrogen 18 cents per pound. 



For potash 5 cents per pound. 



In Mixed Fertilizers. 



For phosphoric acid 4^ cents per pound. 



For nitrogen 19^ cents per pound. 



For potash 5I/2 cents per pound. 



The valuations decided on this season, for reasons already given, are : 



VALUATIONS FOR 1910. 



In Unmixed or Raw Materials. 



For phosphoric acid in acid phosphate 4 cents per pound. 



For phosphoric acid in bone meal, basic slag 



and Peruvian guano 31/^ cents per pound. 



For nitrogen 18 cents per pound. 



For potash 5 cents per pound. 



In Mixed Fertilizers. 



For available phosphoric acid 43/0 cents per pound. 



For nitrogen 191/2 cents per pound. 



For potash 51^ cents per pound. 



HOW RELATIVE VALUE IS CALCULATED. 



In the calculation of relative value it is only necessary to remember 

 that so many per cent means the same number of pounds per hun- 

 dred, and that there are twenty hundred pounds in one ton (2,000 

 pounds). 



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