CONTENTS. . 
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ter. No effect on mellow land—note 
giving the reason why—no effect 
on other grains than buckwheat ;. 
which is an exhausting crop. Most 
beneficial to clover. Not more 
active with, than without, other 
manure. This shewn to be other- 
wise in a note. Exhaustion by re- 
petition a mere bug-bear, note.— 
Indian corn does not succeed buck- 
wheat, advantageously. 
Gen. Edward Hand, page 35. Length of time he has used 
plaister, quantity, kinds of soils, 
repetitions successful. Used 
with dung. Does not render soil 
sterile. Quantity sowed per acre. 
Rolling seed grain in plaister, 
highly beneficial—quantity of 
clover per acre—good on vari- 
ety of grasses. Time of sowing 
it—Used in connection with 
other manures—ashes and plais- 
ter assist each other, (so lime) 
duration—European and Ame- 
rican plaister equally good. 
John Curwen page 41. Thoughts on the composition of the 
gypsum. Period of his using plaister. 
On land exhausted by bad tillage ; 
though it had been /imed and dunged. 
Quantity of plaister per acre. Kinds ot 
soils. Repetition does not induce sterz- 
lity. Hard cropping bad, with any ma- 
nure. Plaister chiefly gocd.on red clo- 
ver. Its effects on corn doubtful. Time 
of scattering. Mode of applying to Jn- 
