E 13 ] 



almoft every article in culture. Improvements in 

 this article then confift in making art fubfervient to 

 nature, in reafonably aflifting her in her mode of 

 adling, for fhe feldom can be diverted from her 

 own bias, but at an expence that will be far from 

 proving profitable. 



Sect. V. Of the Rotation or moft beneficial Succeffwn 

 of Crops* 



This head comprehends improvements of great 

 magnitude and extent. The articles of culture arc 

 commonly divided into two clafles, viz. One con- 

 fifts of crops that are faid to exhauftand impoverifh 

 the land they grow on ; the other to ameliorate and 

 improve it. This mud be underftood in a compara- 

 tive fenfe; for properly fpeaking there are few if any 

 vegetables that are carried off the land they grow on 

 to be confumed elfc where, but in fome meafure ex- 

 hauft and impoverifh the foil, and render it lefs fertile. 



The firft clafs, viz. thofe which are fuppofed to 

 cxhauft the land moft, are fibrous-rooted plants, as. 

 wheat, barley, rye, oats, &c. The ameliorating in- 

 cludes all the legumenous and tap-rooted plants, as 

 beans, peafe, vetches, turnips, parfnips, carrots, 

 clover, &c. Modern improvements are much in- 

 creafed by a judicious fucceflion of interchanges 

 among thofe articles. An ameliorating following 



an 



