CONTENTS. y 
plaister, on certain grounds and 
crops. On Jndian corn, three or 
four bushels over thewhole ground 
best. Produce per acre. Duration. 
European and American plaister 
alike good. American makes the 
best cement. Tilth required for 
Indian corn. Note. Mr. Duffield’s 
son dislikes plaister. (Note) Acid 
contained in plaister ; and not the 
calcareous earth is the cause of 
operation. Note. Experiments to 
prove the operative principle of 
plaister. Not credited, by chemists 
of that day. 
Rey. Dr. Wharton, page 58. Plaister much used on hilly, 
stony and thin soils, intermixed 
with zsinglass; (mica). Quanti- 
ty sown. Soil not thereby zmpo- 
verished. Not mixed with other 
manure. Clover lands only bene- 
fitted. No effect on cold, wet, 
clay. But on gravel, clover dou- 
bled in quantity. Continuance. 
Sown in the spring. On Indian 
corn, thinks it increases plant, 
but not grain. Note thereupon. 
Note. Tarring seed corn, and 
other grain, guards against 
vermin. Re-planting. Trans- 
planting. Number of plants ina 
hill. Furrowing for corn, and 
leaving balks. Observations on 
this practice. 
