46 



THE PRINCIPLES OF AGRICULTURE 



obtains in pots. He mixes and sifts his soils so that it is all 

 amenable to root action, and he is able to raise a larger plant from 

 a handful of soil than the general farmer grows from a half 

 bushel. See Fig. 9. 



Pig. 9. Showing the possibilities of a potfiil of soil. 



