Impovevient of arable Land. 1 83 



cat it down, yet 'tis never the worfe but the 

 better for that 3 in the mean time the Roots 

 get ftrength, and when fine Weather comes 

 the Corn will fhoot out with new Strength 

 and Vigour. But I proceed to the ftveral 

 other DrefEngs now in life, and Range them 

 in their particular Numbers and Clafl'es j and 

 the firft I (hall fpeak of are Coal Afhes. 



SECTION II. 



OfSuperfcial T)rejjing by Coal AJhss. 



COAL Alhes, which I call (No. j.) are well 

 known to be made ofNew-CaflU^ Scotch 

 and ocner Tit Coal ; the firft Kind of which 

 are the beft, as containing^ a greater Quan* 

 tity of Nitrous and Sulphurous Matter than 

 other Coals do^ however, there are none of 

 the other Kinds but what are very good, and 

 by no means ro be rejefted : And it feeras 

 fom'ithipg ftrange, that lo great an Improve- 

 ment: fhould have been fo many Years neg- 

 kfted and thrown about to make Path-ways 

 to walk on ^ and, which is worie, we often 

 fee them lye on heaps about Gentlemen's Kit- 

 chins, as if they were of no ufe, when really, 

 there is fcarce any thing of Vegetables, but 

 what will receive Benefit by them, being ap- 

 ply'd fupcrficially and hot too near the Roots, 



O 4 for 



