g. YORKSHIRE. 2213 



But an akcrnacy of corn and grafs is gene- 

 rally eligible on lands which our anccftors 

 have made choice of for common-fields ; and 

 the roots of the ajb are nor only oblirudtions 

 to the plow, but the general nature of the 

 plants is in a fingular degree inimical to corfj. 



It is therefore ncceffary to eradicate the 

 ajb from the hedgerows, before the land be 

 again broken up for arable ; or to preclude 

 this tedious operation, in thefirft inllance, by 

 planting oak in its Head. 



The HEAD of the oak may be raifed to 

 fuch a height as to be no way injurious to 

 gr^fs ; nor to the hedge, while yet in a youth- 

 ful flate, even though it be fuffered to run 

 up to its natural height. 



Whenever the inclofures are broken up 

 for corn, the hedges ought in common good 

 management to be headed, and kept in a 

 dwarfiih ftate •, in which cafe tall-steaimed 

 OAKS would be a valuable fource of timber, 

 without being in almoft any degree inju- 

 rious to the HEDGE or the corn growing un- 

 der them. 



But the TRAINING OF YOUNG OAKS, and 



the GENERAL MANAGEMENT OF HEDGi-ROW 



TIMBER, 



