68a EXPERIMENT STATION. [Jan. 



Complete fertilizers, 222 



Ammoniated superphosphates, 133 



Ground bone, tankage and dry ground fish, 56 



Wood ashes, 8 



Chemicals and organic nitrogen compounds, 60 



Agricultural limes, 36 



515 

 (6) Fertilizers collected and analyzed. 

 During the year, 9,668 tons of fertilizer were sampled, neces- 

 sitating the sampling of 22,122 sacks. In this work 155 towns 

 were visited; 1,398 samples, representing 548 distinct brands, 

 were drawn from stock found in the possession of 414 different 

 agents or owners. 



Eight hundred analyses (552 distinct brands) have been made 

 during the year's inspection: — 



Complete fertiUzers, 275 



Ammoniated superphosphates, 177 



Ground bone, tankage and dry ground fish, 95 



Nitrogen compounds, 132 



Phosphoric acid compounds, 32 



Wood ashes, 48 



Lime compounds, 41 



SOU 



P'ull details regarding the fertilizer inspection work will 

 be found in Bulletin No. 6, Control Series, published in Decem- 

 ber, 1916. 



(c) Other Activities of the Fertilizer Section. 

 During the months of December, January, February and 

 March time is usually taken to do co-operative analytical work 

 on some of the problems of the Agricultural Department, in 

 connection with field and pot work. Following is a brief sum- 

 mary of these activities: — 



Ash analysis of 8 samples of corn grain. 

 Ash analysis of 8 samples of corn cob. 

 Ash analysis of 4 samples of corn stover. 



Weights and dry matter on 260 samples of millet straw and 260 samples 

 of millet seed. 



