THE YOUNG FARMER 



tial fertilizing elements nitrogen, phos- 

 phorus and potassium contained in each 

 bag of fertilizer offered for sale. Subse- 

 quent control laws have been modeled more 

 or less closely after this law. Hence a de- 

 scription of the operation and execution of 

 it will serve for all. 



The execution of this law is usually under 

 the immediate supervision of the state sec- 

 retary of agriculture, while the necessary 

 chemical analyses are made by the state 

 experiment station. In some states the en- 

 forcement of the law is in charge of the state 

 experiment station, while in others the state 

 department of agriculture has its own labor- 

 atories or employs a private chemist. It is, 

 however, becoming a more and more settled 

 policy to place all police regulations in 

 charge of the state department of agricul- 

 ture, while at the same time the chemical 

 analyses and other scientific and technolog- 

 ical inquiries are made at the state experi- 

 ment station. 



In order to facilitate the taking of sam- 

 ples and in order to raise funds for the 

 250 



