( 4So ) 



folely for his own amufement and ciiriofitf , 

 and not with defign of recommending to 

 others, unlefs he finds them more bene-' 

 ficial than he experts. This condud: is^ 

 abiblutely necefiary ; for, in the introduc- 

 tion of feveral excellent and really valuable 

 practices, that of a fmgle bad one in the 

 hands of prejudiced and ignorant men, will 

 fatally affed all the reft. 



Another point refpeding the condud of 

 experiments, particularly to be attended to 

 by perfons of large fortune, is, the plan of 

 coriiparatii)e ones. 



I have, more than once, heard no flight 

 ridicule thrown on Jmall trials ; but it is 

 necefiary to limit any general condemna- 

 tion of that fort. They whofe farms are 

 very extenfive, naturally fall into the com- 

 mon boafi, that fijch and fuch trials were 

 over whole fields, and not to fmall confined 

 fpots. — In fome cafes this is reafonable, in 

 others, the very reverfe. If a vegetable not 

 commonly cultivated, or a mode of culture 

 not ufually followed, is to be introduced, it 

 is abfolutely necefiary that the experiments 

 fiiould be in large. Sainfoine is recom- 

 mended to me by a perfon who has tried 



it; 



