On Plaister of Paris. 65 



Result, 1789. As beneficial as the parts sown last 

 year, and all the observations of that time applicable 

 to this. 



Process. April 20th, Sowed that part of the young 

 orchard with plaister that was left unsown the 4th of 

 April, 1788 ; the observations upon that part apply 

 to this. 



Result, 1789. The same as last year. 



Process. June Sth, Sprinkled two bushels of plais- 

 ter upon about six acres of Indian corn ; an old tilled, 

 unmanured, gritty gravel soil. 



Result. A considerable improvement. 



Process, August Wth^ 1789. Sowed half a bushel of 

 plaister upon about forty perches' of buckwheat just 

 sprouting up ; soil light loam, old land and very poor. 



Result 1789. No perceptible improvement. 



Process. April 15 th, 1790. Sowed two bushels of 

 of plaister upon the peach lot. 



Mr. Roberts continues in the opinion that plaister does 



little for natural grasses. See 2d. vol. Page 121. 



R. P. 

 September J 1810. 



