A Letier on the life of Plaifler of Paris, 57 



3d. In April, 1 786,fixacres of a poor ifinglafs foil, fituated ori 

 Germantown hill, were fowed with oats, the ground not having 

 been manured for twenty years ; it produced a crop not pay- 

 ing expences. In April, 1787, one half of the field was co- 

 vered with the Gypfum, fix bufhels to the acre. The latter end 

 of the fame fummer,that part, on which the manure had been put, 

 produced good pafture of blue grafs and white clover, whilft 

 the remainder afforded little but a few fcattered weeds. In 

 06lober, the field was ploughed once, and fowed with rye ; at 

 harveft, the former produced ten bufhels to the acre, the latter 

 not above five. 



4th. A Fi E L of 1 5 Acres, a light loam, was, in April, 1 784, 

 fowed with barley and clover, the produce only twenty bufhels 

 to the acre, the ground not having been fufficiently manured. 

 In 1785, it produced a good firft, and a tolerable fecond crop 

 of clover. In 1786, the firft crop but tolerable; the fecond 

 very indifferent and therefore paftured. In the fpring 1787, 

 I wifhed to try liGypfum would not renew the clover. In the 

 month of April, the whole field was covered with Gypjumy fix 

 bufhels to the acre, except the width of twenty feet, through 

 the middle of the field. St. John's wort, mullain, and other 

 weeds, had taken fuch poffeffion of the ground, that, although 

 the manure produced a great luxuriance of grafs,. yet, being 

 full of weeds, it did not anfwer for hay ; and therefore was 

 paftured until Odober 1788 : the whole was then ploughed 8 

 inches deep, with a ftrong three horfe Dutch Plough : laft 



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