official inspections 74. 2/7 



Fertilizers for House Plants. 



The inspectors collected samples of four different fertiliz- 

 ers on sale in the State in small packages for household plants. 



Bowker's Ammoniated Food for Flowers, Bowker Fertilizer 

 Co., Boston, (No. 3635), carried 1.90 per cent of nitrogen, 

 with a guaranty of 2.47 per cent; 7.30 per cent of available 

 phosphoric acid with a guaranty of 6 per cent; and 3.38 per 

 cent of potash with a guaranty of 2 per cent. 



Mak-Gro Concentrated Odorless Plant Food, The Consum- 

 ers' Fertilizer Company of New York, (No. 3634), carried 

 2.45 per cent of nitrogen with a guaranty of 2.46 per cent; 

 9.24 per cent available phosphoric acid with a guaranty of S 

 per cent ; 8.12 per cent potash with 8 per cent guaranteed. These 

 goods were not registered. 



Sterlingworth Plant Tablets, Sterling Chemical Co., Cam- 

 bridge, Mass., No. 3637, was without guaranty and was un- 

 registered. It carried 8.85 per cent of nitrogen, 13.02 per 

 cent of available phosphoric acid and 8.65 per cent of pota:.h. 



Verdantine Plant Food, made by the Union Chemical Co., 

 Lewiston, Maine, (sample No. 3636), carried 7.29 per cent of 

 nitrogen with a guaranty of 5.20 per cent; 7.04 per cent avail- 

 able phosphoric acid with a guaranty of 5.5 per cent; and 8.91 

 per cent potash with a guaranty of 15.5 per cent. 



New Mineral Plant Food. 



Two samples of the material put out by the New Mineral 

 P'ertilizer Company were examined. These goods contained 

 practically no water-soluble plant food. When treated with 

 strong acid about two-tenths of a per cent of phosphoric acid 

 goes into solution. One of the two samples was in very poor 

 mechanical condition. It contained pieces of unground rock as 

 large as the end of one's finger. 



These goods were not registered in Maine in 1915. 



LyIME. 



The Pownal Lime Company of Boston, Mass., registered 

 ground limestone that was guaranteed to carry not less than 50 

 per cent lime. The sample received (3519) carried 46.44 per 

 cent calcium oxide (lime) and a trace of phosphoric acid. 



