2 N. H. AGR. EXPERIMENT STATION [Bulletin 263 



facturer or dealer who shall sell or offer for sale any fertilizei 

 material shall furnish with each lot or package a clearly 

 printed statement certifying the brand name under which 

 it is sold, the name and address of the manufacturer, the 

 number of net pounds the package contains and a chemical 

 analysis stating the minimum percentages of nitrogen, of 

 total phosphoric acid, of available phosphoric acid and of 

 water soluble potash. No person shall sell or offer for sale 

 any pulverized leather, hair or wool waste, peat, garbage 

 tankage, or any inert material whatsoever, without an ex- 

 plicit printed statement of the fact conspicuously fixed to 

 every package of such material. The state official in 

 charge of the administration of the fertilizer law^ is the 

 Commissioner of Agriculture. 



During the past year five conferences have been held 

 by officials charged wath the enforcement of the fertilizer 

 laws, agronomists and manufacturers. They have agreed 

 to cooperate in the territory represented by the six New 

 England States, New York, New Jersey, Pennsylvania, 

 Delaware, Maryland, and West Virginia in enforcing the 

 following changes : 



1. When fertilizers are registered with the state 

 fertilizer control official the guaranty shall be stated 

 in terms of nitrogen and not in terms of ammonia. 



2. Grades or analyses of mixed fertilizers shall be 

 expressed in whole units and not in fractions or 

 decimals. 



3. Trade or brand names shall include the numerals 

 giving the minimum percentage of each plant food 

 in the order — nitrogen, available phosphoric acid, 

 and potash. 



In Table I are given the grades of complete fertilizers 

 collected, the number of brands found in each grade, the 

 average analysis of each grade and the average retail price 

 per ton. 



