AGRICULTURE WITH CHEMISTRY. lyg 



hurtful weeds, and will recover the power of producing 

 abuncbnt crops of grain, by being for some years under 

 pasture. Soils of this description can never be completely 

 injured but by paring and burning, which would dissi- 

 pate and throw into the air the vegetable, animal, and 

 saline matters therein contained. 



z 2 PEAT 



