18 



sible has been made in the limited time at our disposal and with 

 the means available for the work. 



During the season IK) towns were visited and 1063 samples 

 representing 519 distinct brands were drawn from stock found in 

 the possession of 284 different agents, as against 897 samples and 

 487 distinct brands collected and examined in 1910. Some of 

 these brands represent private formulas which would have been 

 sent to the station for analysis by the consumer had they not been 

 taken by the inspectors. Arrangements can be made in most cases 

 to have large shipments of private formulas sampled by one of our 

 regular collectors, provided notification is given sufficiently early 

 in the season so that the various places may be visited while the 

 collectors are in that vicinity. 



Six hundred and sixty-two analyses have been 

 Fertilizers made in connection with the 1911 fertilizer in- 

 Analyzed, spection. 



The analyses made may be grouped as follows : 



Complete fertilizers ..... 427 

 Fertilizers furnishing phosphoric acid and potash, 



such as ashes, etc. .... 18 



Ground bones, tankage and fish ... 73 



Nitrogen compounds, including the mineral 



fornis of nitrogen; also the various organic 



forms both animal and vegetable. . 69 



Potash compounds ..... 50 



Phosphoric acid compounds .... 25 



Total 662 



The following table of trade values was adopted 



Trade Values by the Experiment Stations of New England, 



of New York and New Jersey at a conference held 



Fertilizing the first of March, 1911, and has served as the 



Ingredients. basis of valuing the fertilizers published in this 



bulletin. The schedule for 1910 is also given for 



comparison. 



