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appear to have imbibed any of the manure. This 

 I laid on fome land of my own, limilar to that on 

 which the former experiment was made. It was 

 ploughed in the latter end of Odlober the fame 

 year on a peafe ftubble, and wheat 7?/ by hand npon 

 it. The whole field was a good crop, and the part 

 on which the weeds were laid not at all inferior to 

 the reft, on which ftable-dung had been fpread in 

 the ufual mode of the Norfolk husbandry. Though 

 this experiment was made as unmixed as poflible, 

 with a view to afcertain the vegetative virtue re- 

 fulting from the weeds fingly, (and proved it by 

 the crop being equal to thofc parts of the field 

 which had been dunged) yet I conceive, it would 

 acl with additional energy when mixed in compofl 

 with other manures. It would probably quicken 

 their operation, and derive from them a perma- 

 nency which feems moft likely to refult from an 

 union of animal and vegetable falts and oils. That 

 they fucceeded without mixture on a light fandy 

 foil in the turnip crop experiment, is evident; and 

 as the time of their firft cutting, is that of fowing 

 turnips, it gives opportunity for thus applying 

 them with little trouble or expcncc. 



I am, &c. 



JOHN WAGSTAFFE. 



Norivkb, Feb. 4, 1 7 84. 



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