OFFICIAL INSPECTIONS 53- 10? 



The minimum percentage of nitrogen, or its equivalent m 

 ammonia, in available form. 



The minimum percentage of available phosphoric acid (solu- 

 ble and reverted). 



The minimum percentage of total phosphoric acid. 



The minimum percentage of potash soluble in water. 



In the case of lime, marl and wood ashes each package shall, 

 in addition to the above be plainly marked with : 



The minimum and maximum percentage of total lime (Cal- 

 cium oxide.) 



The minimum and maximum percentage of total magnesia 



(magnesium oxide.) 



The minimum and maximum percentage of lime combined 

 as carbonate (Calcium carbonate). 



The minimum and maximum percentage of magnesium com- 

 bined as carbonate (magnesium carbonate.) 



The minimum percentage of lime-sulphur (calcium sulphate) 

 in gypsum or land plaster. 



If a fertilizer (including lime, marl and wood ashes) is sold 

 in bulk or put up in packages' belonging to the purchaser, upon 

 the request of the purchaser he shall be furnished with a copy 

 of the statements named above. 



3. Manufacturers' certificate. Before manufacturing, sell- 

 ing or distributing a commercial fertilizer a certified copy of 

 the statements named in 2 shall be filed with the Director of the 

 Maine Experiment Station. 



4. Manufacturers' sample. When the Director shall so re- 

 quest, the manufacturer shall furnish a sealed package contain- 

 ing not less than two pounds of the commercial fertilizer. 



5. Registration fee. A registration fee is assessed on any 

 brand offered for sale, distribution or transportation in the 

 State as follows : $io for the nitrogen, $io for the phosphoric 

 acid and $5 for the potash contained or said to be contained in 

 the fertilizer. The filing of the certificate and the payment of 

 the fee is required from only one person for a given brand. 



6. Registration may be refused or canceled. The Director 

 of the Station may refuse to register any commercial fertilizer 

 which bears a name that is misleading or deceptive or which 

 would tend to mislead or deceive as to the materials of which it 

 is composed. The Director also has power to cancel the regis- 



