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0.dly, That the difeafe is occafioned by one 6t 

 moreof the following caufes, either fingly or com* 

 bined; ift, by froft, either before or afrer the fets 

 are planted} idly, from planting fets cut outJ of 

 large unripe potatoes^ jdly, froiti planting too 

 near the furface, and in old worn-out ground i 

 4thly, from the fird fhoots of the fets being broken 

 off before planting, by which means there is an 

 incapacity in the planta Jeminalis to fend forth 

 others fufficiently vigorous to expand fo fully as 

 they ought. 



3i/y. That the mod fuccefsful methods of pre- 

 senting the difeafe are, cutting the fets from fmooth 

 middle-fized potatoes, that were fully ripe, and * 

 had been kept dry after they were taken out of the 

 ground ; and without rubbing off their firft fhoots, 

 planting them pretty deep in frefh earth, with a 

 mixture of quick-lime, or on limeftone land. 



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