C *i 3 



ABSTRACT 



O F 



THE. CONTENTS. 



THE different methods of cultivating 

 land in the Old and New Huf* 

 bandry for corn. The food of plants; 

 different opinions concerning it. Plants 

 receive it principally by their roots, 

 and from the earth ; but common earth 

 is not that food ; it is communicated 

 to the earth from the atmofphere, in 

 proportion to the quality of the foil, 

 The firft hints of the New Hufbandry 

 taken from the Vineyards in Languedoc, 

 by Mr. Tull^ the firft inventor of the 

 drill-plough, and new fyftem of vege- 

 tation. His fuccefs in the culture of 

 wheat upon ordinary land, without ma- 

 nure, for thirteen years, by means of 



