6 CONTROL SERIES No. 81 



Tonnage of Mixed Fertilizers. 



Complete Fertilizers. 



14 Per Cent or More of Available Plant Food {Nitrogen, Available Phosphoric Add 

 and Potash.) 



Less than I4 Per Cent of Available Plant Food {Nitrogen, Available Phosphoric Acid 

 and Potash.) 



5-3-5 

 4-2-2 

 4-6-3 



626 

 23 



18 



3-3-3 

 5-6-2 

 Miscellaneous 



Superphosphate with Potash. 



Ammoniated Superphosphate. 



Miscellaneous 



Of the 42,401 tons of complete fertilizer sold, 75 per cent was furnished by 7 

 grades and 123 brands. Double and multiple-strength grades totaled 1,987 tons 

 and 26 brands, which was 538 tons more than during the previous year. 



Of the mixed fertilizer sold, over 98 per cent contained 14 per cent or over of 

 available plant food. 



There were 70 tons less of low-analysis (less than 14 i)er cent available plant 

 food) complete fertilizers sold than in 1934. The 5-3-5 grade, comprising 8 brands, 

 furnished over 89 per cent of the tonnage of this class of goods. 



In the following table are listed ten of the most popular grades of mixed fertilizer 

 together with the tonnage of each sold in Massachusetts for the years 1934 and 

 1935. 



