OF AGRICULTURE. 33 



CHAPTER Y. 



CHEMICAL TREATMENT OF THE SOIL, 



Having considered the mechanical treatment of the 

 Boil, let us now take up the chemical treatment* -A 

 soil may receive all the attention possible in the way 

 of plowing, draining, etc,, and still not be productive, 

 It may lack the proper chemical elements necessary 

 to supply the wanti of the growing crop, 



On the following page we give a comparative table 

 of ashes of crops, showing the exact quantity con- 

 tained in each crop : 



