16 



samples have shown a coniTnercial shortage of over 50 cents per 

 ton: 



Nitrate Agencies Co., No. 397. Nitrogen found 5.56%, 

 guaranteed 6.37%; total phosphoric acid found 16.97%, guaran- 

 teed 14%. 



Another sample sold by the Nitrate Agencies Co., collected in 

 another part of the state and represented by No. 666. Nitrogen 

 found 6.05%, guaranteed 5.35%; total phosphoric acid found 

 8.62%, guaranteed 16%. 



Other cases of deficiencies have been made up, with one ex- 

 ception, by an overrun of another ingredient. 



Four analyses of dissolved bone have been 

 Dissolved made and, with the exception of one nitro- 



Bone. gen which was slightly below, have been 



well up to the guarantee. The average re- 

 tail cash price has been $30.25, and the average commercial val- 

 uation as calculated by the table of trade values has been $23.27 

 per ton. Dissolved bone has averaged 2.60 percent nitrogen, 

 71.16 percent of which has been found active by the alkaline per- 

 manganate method; 



Thirteen analyses of dry ground fish have 

 Dry Ground been made representing thirty-two samples. 



Fish. Four were found deficient in nitrogen and one 



in phosphoric acid. The average retail cash 

 price per ton has been $42.16, and the average calculated com- 

 mercial valuation $41.59 per ton. Nitrogen from dry ground fish 

 has cost on the average 22.3 cents per pound. Three brands 

 showed a commercial shortage of over 50 cents per ton. They 

 are as follows: 



Bowker Fertilizer Co., No. 405-452. Nitrogen found 8.17% 

 guaranteed 8.23%; phosphoric acid found 5.36%, guaranteed 6%. 



The E. D. Chittenden Co., No. 385. Nitrogen found 7.46%, 

 guaranteed 8.23%; phosphoric acid found 6.66%, guaranteed 6%. 



Sanderson Fertilizer and Chemical Co., No. 13-57-84-387-582- 

 893. Nitrogen found 7.87% guaranteed 8.2%; phosphoric acid 

 found 7.14%, guaranteed 6%. 



Dry Ground Fish has averaged 8.09 percent total nitrogen, 

 about 71 percent of which has been found active by the alkaline 

 permanganate method. 



Eight samples have been examined repre- 

 Dried senting six analyses; two were found de- 



Blood, ficient in nitrogen. In both cases the nitro- 



gen deficiency was more than made up by 

 phosphoric acid which was found present. Blood has averaged 

 10.46 percent total nitrogen, about 74 percent of which has been 



