THEORY AND PRACTICE. 



81 



time and the following summer, the useful Swede or 

 Turnip may take its place in a six-course system, 

 as profitably as in the four-course system upon 

 lighter soils. The bare fallow is too ancient, too 

 prospective, too laborious, and patient, not to have 

 deep reason at the bottom of it. Chemistry has 

 only explained the truth which Practice had esta- 

 blished. The question may be, not whether the 

 fallow shall be abandoned, but whether its objects 

 can be achieved at a less sacrifice of Time. 



' I had the same profound respect for each arid both. 



