20. YORKSHIRE. 321 



doing away the toughnefs of the furrow, and 

 furnilhing in the aflies afupply of acceptable 

 pabulum to the infant plants. 



Out of this ftatement of effedts refult thefe 

 general conclufions. 



Rich, deep foils, though covered with old 

 fvvard, may be fownwith corn on one plow- 

 ing. 



It is reafonable, however, that this plow- 

 ins: iliould be civen fome time before the 

 feed be fown, for the double pilrpofe of ex- 

 pofing the bottoms of the furrows to the me- 

 liorating influence of the fun and air, from 

 which they may have long been ellrang- 

 ed ; and of forwarding the digestion of 



THE SWARD. 



It is likewife obfervable, that in this cafe 

 a DOUBLE PLOWING (burying the fod at the 

 bottom of the furrow) is obvioufly prefer- 

 able to a fingle one. 



^mfhallow, lefs fertile foils will not bear 

 this treatment : they require either to be 

 sod-burnt or summer-fallowed, to reduce 

 the fward and meliorate the foil. 



But fallowing is expcnfive, lofesone year's 

 crop, and does not change the texture of co- 



Vol.; f. Y hesive 



