356 To the AgricuUitral Society, 



about four years fince, fhewed me a fmall drain that he had 

 cut from a place where water would fland in the fpring, and 

 injure his wheat j the black ground taken out was fcattered j 

 the yellow laid along the fide of the drain : I faw the wheat 

 at two different times, and that that grew on the yellow 

 ground had, in the beginning of June and July, when I faw 

 it, a much better colour, flood thicker, and was longer than 

 the reft of the wheat ftanding befide it ; and laft fummier I 

 faw an inftance of a fimilar kind : to account for the caufe, I 

 could not, upon any other juft principles than thofe already 

 offered. 



This method of preparing the ground will undoubtedly 

 require four ploughings, and will likewife anfwer a good 

 purpofe with thofe whofe team is too weak to break up as 

 deep as might be neceffary, and the laft ploughing not more 

 than one inch deeper than any of the preceding ones. The 

 feed in this cafe muft undoubtedly be harrowed in, and not 

 until four or five days after the ploughing, which method I 

 would recommend in all cafes, where the foil was a fandy 

 loam, or fandy. 



EXPERIMENTS ON MARL. 



September 1791, took out of the foil about fixty waggon 

 loads of white fhell marl, (one-fourth black dirt) and ftrewed 

 it over two acres of fallow land, that had been ploughed 

 three times that feafon ; The firft of OQ;ober, ploughed the 



