28 On Paring and Burning. 



upon root-crops in certain soils are more striking than the 

 effects produced by guano, superphosphate, and other artificial 

 manures. 



9. Thin land, from which a good quantity of ashes has been 

 obtained, should not be dressed with rotten dung, guano, or, 

 indeed, any kind of manure. Ammoniacal manures especially 

 should be avoided. 



10. The operation of paring and burning is the most econo- 

 mical means for raising on certain poor soils a good crop of 

 turnips. 



"11. It is therefore not likely soon to give way to other plans 

 of cultivation on such soils. 



12. Lastly, instead of being an antiquated operation, it is a 

 practice the advantages of which are fully confirmed and ex- 

 plained by modern chemical science. 



Royal Agricultural College, Cirencester, Dec. 1857. 



Lyndon ; Trinted by WILUAJI CLOWES and Soxs, Stamford Struct, 

 and Charing Cross. 



