38 On Plaister of Paris* 



ver on three acres, which had been manured with the 

 same kind of dung, and planted with corn last year. — 

 Three bushels of N. S. plaister per acre immediately 

 followed the barley. The clover in both, looks extreme- 

 ly well, and may be cut this year if I chuse it. If a pre- 

 ference can be given, it must be to the acre in potatoes 

 last year, and manured this spring. They were both 

 ploughed late last fall after taking in the crops. Lime 



1 have not tried. I this spring sowed plaister on two 

 pieces of mixed grass, and a few days after wood ashes 

 at the rate of ten or twelve bushels to the acre, as near 

 as I can guess, was sown on one of them ; they have 

 been cut and fed green ; that on which the ashes were 

 sown has been twice cut, the other but once, and at this 

 moment they are both equally fit to cut again. Except 

 in this instance of the ashes, I have never had more grass 

 from lands previously manured for other crops, than 

 from those which had not,* although an equal propor- 

 tion of plaister and grass seed had been sowed on each.}- 



* The result of the dung applied on the barley ground, 

 cannot be knov/n until next year. 



f Plaister with lime, and with ashes, never fails to agree. 

 There is an instance apparently contradictory in the memoirs, 



2 volume, page 105. I never doubt facts asserted by respec- 

 table men. But I suppose the grasses were not of the trefoil 

 tribe. On other grasses, the plaister has little, if any, effect, 

 as repeated experience proves. I therefore think that the 

 plaister and ashes were not at variance ; but the grasses were 

 not of the kind liable to be benefited by the plaister. 



R. P. 

 September 1810. 



