21 



Twenty-two samples of dry ground fish have been 

 Dry ground examined ; three were found deficient in nitrogen 

 Fish. and two in phosphoric acid. The average retail 



cash price per ton was $41.90, the average valu- 

 ation $42.71 and the percentage difference in excess 1.93. Nitro- 

 gen from dry ground fish has cost on the average 22.56 cents per 

 pound. None of the brands showed a commercial shortage of over 

 50 cents per ton. 



Three samples of sulfate of ammonia have been 

 Sulfate of analyzed and found well up to the guarantee. 

 Ammonia. The average cost of a pound of nitrogen in this 

 form has been 16.78 cents. 



Twenty-three samples of nitrate of soda have 



Nitrate of been analyzed and three were found deficient in 



Soda. nitrogen. The average cost of nitrogen in this 



form has been 16.19 cents per poimd. The 



brands showing a commercial shortage of 50 cents or over per ton 



were as follows : 



Atlantic Fertilizer Co., Nitrate of Soda No. 398. Nitrogen 

 found 15.50%, guaranteed 15.82%. 



J. P. Hawes, Nitrate of Soda No. 637-892. Nitrogen found 

 15.3%, guaranteed 15.65%. 



Wilcox Fertilizer Works, Nitrate of Soda No. 285-290. Nitro- 

 gen fotmd 14.7%, guaranteed 15%. 



Four samples have been examined which, with 

 Dried Blood. one exception, showed overruns in nitrogen. 

 The pound of nitrogen from blood has cost 23.29 

 cents. 



Four samples have been analyzed. The average 

 Castor cost of nitrogen in this form has been 26.11 cents 



Pomace. per pound. The following brand showed a com- 



mercial shortage of over 50 cents per ton : 

 Sanderson Fertilizer and Chemical Co., Castor Pomace No. 972- 

 1022. Nitrogen found 5.73% and 5.45%; guaranteed 6.50%. 



Twent^^-three samples have been examined, all 



Cottonseed of which were ptirchased as a nitrogen source for 



Meal. tobacco. Nitrogen from this source has cost on 



the average 23.08 cents per poimd. Six samples 



have shown a nitrogen deficiency which has, in three cases, amoimt- 



ed to 50 cents or more per ton. Thev are as follows : 



5. P. Davis, Cottonseed Meal No'. 24. Nitrogen found 6.32%, 

 guaranteed 6.50%, 



Humphrey's, Godwin & Co., No. 26. Nitrogen found 6.43%, 

 guaranteed 6.56%. No. 27. Nitrogen foimd 6.25%, guaranteed 

 6.56%. 



