C "4 ] 



ufually come over again at every fourth crop, this 

 failure, from the land being furfeited with it, has 

 been in many inftances fo great, that a very confi- 

 derable farmer there lately informed me, that he 

 and many of his neighbours had lately under their 

 barley fown rye-grafs and trefoil; and in only the 

 next rotation of barley fown the common clover; 

 and fo on alternately: for not lefs in artificial grafs 

 than corn, change and variety, under the common 

 hufbandry> is eflential to the produce. 



The very barley in Norfolk, probably from the 

 fame caufe, has of late years, it is faid, degenerated 

 in finenefs, befides varying more in the rotation 

 of crops. 



Our farmers defend the mode of the whole year's 

 fallow y on the principle of its guarding againft fuch 

 furfeit; and thus by the delicacy of the fowing tilth 

 it neceflarily produces, making the proper bed for 

 minute grafs-feeds, and giving them the bed fecu- 

 rity againft the failure of their clover. They fre- 

 quently mow it for hay, and then feed it, or for the 

 chance of the latter, (a very dubious, though fome- 

 times a moft profitable one) feed it off firft early; 

 but very feldom let it remain a fecond year. I 

 conjeRure, that where it muft neceflarily come in 

 quick rotation, it mould never ftand but one year, 



and 



