16 



shortage of over 50c per ton. This was put out by the International 

 Agricultural Corporation, Bufalo Fertilizer Works, Branch, No. 1157. 

 Nitrogen found 2.93%, guaranteed 2.40%; phosphoric acid found 

 16.61%, guaranteed 22%. 



Eighteen samples of tankage have been inspected, 

 Ground Tankage, necessitating 14 analyses. Five of these samples 



were found deficient in nitrogen. The average 

 retail cash price for tankage has been $34.49 and the average calcu- 

 lated commercial valuation $34.02 per ton. The average total nitro- 

 gen in tankage was 5.90 per cent, of which 70.85 per cent has been 

 found active by the laboratory method. Nitrogen in fine tankage 

 has cost on the average 21.37 cents; nitrogen in coarse tankage has 

 cost 17.23 cents per pound. One sample was found to have a 

 commercial shortage of over 50 cents per ton. 



Nitrate Agencies Co., Canadian Ground Tankage No. 558. 

 Nitrogen found 5.01%, guaranteed 5.75%; phosphoric acid found 

 16.28%, guaranteed 13.73%. 



Three samples of dissolved bone have been an- 

 Dissolved Bone, alyzed and found well up to the guarantee. The 



average retail cash price has been $31.42 and the 

 average calculated commercial valuation $23.94 per ton. The av- 

 erage per cent of nitrogen in this product was 2.84, 75.35 per cent of 

 which was found in active form. 



Twenty-eight samples of dry ground fish were in- 

 Dry Ground Fish, spected, necessitating 12 analyses. Six were 



found deficient in nitrogen and 2 in phosphoric 

 acid. The average retail cash price has been $48.03 and the average 

 calculated commercial valuation $43.05 per ton. The product has 

 averaged 8.71 per cent total nitrogen, about 71.42 per cent of which 

 has been found active. Nitrogen from fish has cost on the average 

 24.72 cents per pound. Two brands were found to have a commer- 

 cial shortage of over 50 cents a ton. 



Bowker Fertilizer Co., Bowker's Dry Ground Fish No. 357. 

 Nitrogen found 7.93%", guaranteed 8.23%; phosphoric acid found 

 6.84%, guaranteed 6.00%. 



The E. D. Chittenden Co., Dry Ground Fish No. 309. Nitrogen 

 found 7.43%, guaranteed 8.20%; phosphoric acid found 5.49%, 

 guaranteed 6.00%. 



Another sample of this same brand collected at a dift'erent 

 place also showed a serious shortage. No. 311. Nitrogen found 

 7.51%, guaranteed 8.20%; phosphoric acid found 5.69%, guaranteed 

 6.00%. 



