f vi J 



SECT. VIII. 



Of the mojfy foil. 



SECT. I. 



ffle natural methods of providing vegetable 

 food. 



SECT. II. 



Of manures, or the artificial methods of pro- 

 viding vegetable food. 



SECT. III. 



Of marl. 



SECT. IV. 



Of unburnt calcaricus bodies , and quick-lime. 



SECT. V. 



Of vegetables in an entire and in a corrupted 

 Jlate, and of dunghills. 



SECT. VI. 



Of manures which arife from burning ve- 

 getables. 



SECT. 



