» - 



-i of 



ur 



of 



efar. 



tweets 



atsto 



ore 



nam's 



f 



and 



ADDITIONAL NOTES. 



plough Is only to pafs under the foil, and thus loofen It, 

 with atmofpheric air without turning if over. 



^^ .„.s manoeuvre the clay a few inches deep beneath the ferl 

 foil becomes broken in its texture, and obtains fome air intercepted 



595 



By th 



from the former circumftance it may contribut 



th 



ayey 



its pores ; 



the vernal fhowers, which would othcrwife run off 

 furface beneath the more fertile one, and might thus in drier feafons 

 prevent the upper furface from being fo much indurated, and might 

 gradually become lefs injurious by the frequent admixture of atmo- 

 fpheric air, and at length even falubrious to the roots of vegetables. 



XII. 



Dfe of 



ieeper 

 • their 



w 



hite 



IS red 

 ox J- 





\ 



ore 



jeon 

 us to 



) the 

 three 



h the 



I 



4G2 



APPENDIX 



■^ 



