Sett. V. Agriculture and Vegetation. 89 



earth moftly of the abforbent kind.' This 

 mows, that dunghills mould not be kept 

 too long after they are fufficiently putrefied ; 

 and that dung mould not be expofed on the 

 furface of the ground in hot weather, as 

 often happens ; but immediately ploughed 

 in, if carried out at that time. It is a- 

 ferted by fome fanners of obfervation, that 

 dung, when expofed for five or fix weeks 

 on the furface, fructifies ground more, than 

 when it is directly ploughed in, and mixed 

 with the foil. If this obfervation is found 

 to be true, the winter and fpring will be 

 the propereft feafons for expofing it. A fu- 

 perficial ploughing after the dung is ipread, 

 would feem to bid faireft for attaining the 

 advantages and fhunning the difadvantages 

 of both methods. 



THE mud of ponds and ditches comes 

 properly under the clafs of putrefied bodies, 

 as it confifts of earth and the putrefied parts 

 of vegetables, 



SECT, 



