On Plaister of Paris, 51 



For several years past the Indian corn was in fields that 

 had been plaistered four years before, which has been 

 evidently much better by the effects of the plaister than 

 it would have been without it. 



Query 7. To what products can it be best applied? 

 grain and what kinds ? grasses and what kinds ? 



Answer. I think it improves any kind of grass, but 

 more particularly red and white clover. 



Query 8. When is the best time to scatter it ? 



Answer, 1 have scattered it at various times without 

 regard to any thing but conveniency, and have not found 

 any difference in the effect. 



Query 9. What is the greatest product per acre of 

 grass, Sec. you have known by the means of plaister ? 



Query 10. Have you ever used it with other manure, 

 and what ? — and the effects if any superior to the plais- 

 ter alone ? 



Ansxver, 9, and 10. In the foregoing. 



Query 11. Is there any difference between the Euro- 

 pean and American plaister ? 



Answer. From the observations I have made, I prefer 

 the American. 



Although I may already have trespassed on thy pati- 

 ence by the length and unconnected manner of treating 

 the subject, my desire of communicating something 

 useful on a subject which of all temporal concerns is 

 the most beneficial to a nation, induces me to proceed; 

 from my own observations, a piece of ground used in 

 the way of a garden, or indeed in any other tillage, per- 

 haps several times a year for many years successively,' 

 although frequently manured, w^ill not be as productive 

 as a piece that has been under grass several years, and not 



