On Plaister of Paris. 19 
effect of their droppings may be kept up continually. 
I have continued the application of plaister every year 
from my first using of it to the present, and its most 
beneficial use is on grass, if rightly managed on the 
previous dressing of other manure and its preparation ; 
all which will require a system in itself to describe 
at large. 
Query 3. What quantity per acre have you general- 
ly used ? 
Answer. The quantity of plaister per acre, four and 
a half bushels, the redressing about three bushels ;_ but 
I would not recommend a second application when 
land has been mowed five or six years, without a light 
dressing of other manure. 
Query 4. What soils are the most proper for this 
manure ? 
Answer. The soils most proper for the plaister are 
warm, kind loamy ones; land that is generaly deemed 
good wheat land; that will sink the water quick in 
winter, not too level, and land moderately hilly. Land 
that takes lime well, will the plaister. 
Query 5. Have you, repeated the application of it 
with or without ploughing ?—at what intervals, and 
with what effect? 
Answer. The repeated application of it has a good 
effect, as I have mentioned above. It follows lime equal 
to any manure. 
Query 6. In consequence do you find that it renders 
the earth sterile after its useful effects are gone ? 
Answer. It does create something of sterility in five 
or six years by mowing; then it may, as above men- 
tioned, be lightly dressed by dung or compost ; about 
