CONTROL SERIES No. 100 

 Fertilizer Trade Values 



Form of Plant Food 



Nitrogen 



In ammonia salts 



In nitrates 



Organic nitrogen in fish 



Organic nitrogen in blood, meat and hoof meal 



Organic nitrogen in fine 1 bone and tankage 



Organic nitrogen in coarse 1 bone and tankage and in pulverized manures . 



Organic nitrogen in mixed fertilizers 



Organic nitrogen in cottonseed meal, castor pomace, linseed meal, soybean 



meal, etc 



Organic nitrogen in urea 



Organic nitrogen in cyanamid 



Phosphoric Acid 

 Available (soluble in water and neutral citrate of ammonia) 



In precipitated bone 



In basic slag phosphate 



In fine 1 bone and tankage, and in fish 



In coarse 1 bone and tankage .......... 



In pulverized manures, seed residues, and ashes 



Insoluble in neutral citrate of ammonia in mixed fertilizers .... 



Potash 



As sulfate 



As muriate 



As carbonate 



As nitrate 



In potash-magnesia sulfate 



In cotton hull and wood ashes (soluble) 



In organic vegetable compounds, sheep manure, insoluble in ashes 



Magnesium Oxide 

 Water soluble from Kieserite, Emjeo, sulfate of potash-magnesia 

 In form of finely ground dolomite 



Value per 

 Pound 



SO. 088 

 .109 

 .3125 

 .2175 

 .256 

 .1835 

 .220 



.21 



.088 



.084 



.055 



.047 



.082 



.036 



.0315 



.0315 



.017 



.05 



.038 



.08 



.0428 



.0655 



.065 



.04 



.0633 

 .00625 



Unit 

 Value 



$1.76 

 2.18 

 6.25 

 4.35 

 5.12 

 3.67 

 4.40 



4.20 

 1.76 

 1.68 



1.10 

 .94 



1.64 

 .72 

 .63 

 .63 

 .34 



1.00 

 .76 



1.60 

 .856 



1.31 



1.30 

 .80 



1.27 

 .125 



1 Fine bone and tankage refers to particles which, as sampled, will pass through a sieve with 

 circular openings 1/50 of an inch in diameter. Coarse bone and tankage refers to that portion 

 which will not pass through the sieve. 



FERTILIZER TONNAGE 

 Tonnage of Mixed and Unmixed Fertilizers Sold in Massachusetts 



* Does not include 876 tons of 45% superphosphate and 903 tons of 47% superphosphate 

 distributed by the A.A.A. 



There were 5,201 tons less fertilizer sold in the state in 1939 than during the 

 previous year. The tonnage of mixed fertilizer was 3.723 less, and that of the 

 fertilizer chemicals and unmixed materials was 1,560 less than for 1938. Pul- 

 verized manures showed a decrease of 82 tons. Of the total tonnage sold, 65.05 

 per cent was mixed fertilizer, 32.51 per cent was unmixed materials, and 2.44 

 per cent was dried and pulverized natural manures. 



Plant Food Tonnage 



a Does not include plant food tonnage of fertilizer mixed for special orders. 

 6 Does not include 825 tons of available phosphoric acid from 1,779 tons of superphosphate 

 distributed by the Agricultural Adjustment Administration. 



