0^2 WEED S. aj, 



as, IkkI the lurface been levelled with the har- 

 row immediately after the plowing, more 

 than half the quantity of furface would have 

 been done away ; and of courfe more than 

 half the quantity of vegetation prevented. 



But the quantity of furface is far from con- 

 flituting the only advantage of a rough 



CLODDY FALLOW. 



If the feafon be dry, the fun and dry air 

 having free admilTion on almoft every fide of 

 the prominent clods, the rocts of the plants 

 contained in them become parched up, dcC- 

 riturc of pafluragc. 



if the feafon be jnoij}, the feeds of weeds 

 vegetate, zchile the clods are continually moiil- 

 deving ; thus at once deftroying the feedlings 

 clrcady excluded j- and baring another furface 

 for ?Lfiep vegetation. 



When the clods are fo far reduced that 

 the PLOW is no longer able to prevent their 

 being buried among the loofe mould, it is 

 the}n\\Q. bufinefsof the harrow to pull them 

 up to the uiiface. 



When the plow, a pair of rough harrows, 

 and the atmofphere have done their part to- 

 ward the rcdudlion of the clods, the affiftance 



of 



