C 97 ] 



two buftiels per acre of wheat worth 15s. which I 

 found the wheat produft of the perch amounted to, 

 proportioned to the acre. I have been induced to 

 mention this circumftance, not from its being in any 

 wife the eifeft of gypfum, but to fuggefl what ufeful 

 hints will frequently prefent themfelves in the pro- 

 grefs of the mofl fimple experiments, and fometimes 

 indeed of as much importance as the main objeft 

 in view. Previous to a particular llatement of the 

 experiments, it may be proper to obferve that the 

 gypfum was fown at the rate of fix bufhels per acre, 

 on the 2 2d of May; the clover at that time, parti- 

 cularly on the chalky foil, looked very pale and 

 wanted fap; in a fortnight the gypfumedpart might 

 be diftinguiftied at a confiderable diflance; and tho* 

 we had no rain, yet it foon formed fo thick a matt, 

 as effe£lually defended it from the fcorching fun, 

 which nearly burnt up the reft, as may be feen by 

 the fcanty produfts of the two contrafted perches 

 A. and B. as under is the ftatement of the experi- 

 ments alluded to. 



STRAW PRODUCT OF DUTCH CLOVER. 



VOL. VIII. 



H 



SEED 



