6S STATISTICAL SURVEY 



fpirit wifties to bring a piece of land into cultivation, 

 that has never born crops before, or that has been 

 hurt by the mode of mifmanagement mentioned in the 

 firft feftion; fpeedily to accomplish either purpofes 

 this muft be a good method ; but except there is fome 

 urgent reafon, it ought never to be reforted to, as its 

 place can generally be fupplied by a fallow crop, 

 which, if well managed, will at leaft pay the expenfe, 

 and leave the ground in as good a ftate as a fimple 

 fallow. It is a curious circumftance, that a fallow, and 

 a fallow crop, although their mode of afting are fo 

 very different, fhould be attended with nearly the fame 

 advantageous effects ; the firft afts by expofing the 

 earth to the fun and air, the latter by the exclufion of 

 both ; and the more perfectly the one is expofed, an4 

 the other (haded, the more completely the intende4 

 advantage is gained. 



SECT. 3. Rotation of Crops. 



ON a judicious rotation of crops depend the regular 

 profits of farming; we may, certainly, by laying on 

 confiderable quantities of manure, force a very great 

 produce for a few years ; but that muft have a period, 

 for ftrong ftimulants in the end muft exhauft; but 

 land treated in the Norfolk method, where turnips or 



clover 



