On the Culture of the Red Apple-Potatoe. 



as well as former experiments, instituted and conducted by 

 myself ; but as the ground after the drills, is in so much bet- 

 ter order for any succeeding crop, I thought it a matter of 

 some importance, to find out a method of making the drill 

 as productive as the bed culture ; at the same time preserv- 

 ing the superior advantage of cleaning and ameliorating the 

 soil. With this view, I laid out a plot of ground in the 

 Botanic Garden, 63 feet wide by 56 feet long ; and divided it, 

 lengthways, into three equal parts, for the purpose of the 

 experiment. The third part of the whole, formed exactly 

 three beds, five feet wide, with alleys of two feet between 

 them. These were treated in the following manner, which 

 is that practised by the market gardeners, in the neighbour- 

 hood of Cork: the sets were planted about nine inches 

 asunder in the beds, and not deep ; the manure was after- 

 wards spread on the whole surface of the bed, and covered 

 with earth dug from the alleys. When the plants made their 

 appearance, they were earthed a second time, and, as they 

 advanced, a third time, where the depth of earth between the 

 beds allowed of it. This is all the care requisite, until they 

 are fit to dig. 



The other two parts of the plot of ground, were planted 

 in drills, one part having ten single drills, two feet asunder, 

 and were treated in the usual manner. The other part hav- 

 ing eight double drills, that is, a drill on each side of a line, 

 so as to have two rows, composing a double drill, about 

 six inches asunder : the treatment of the two sorts of drills, 

 was precisely the same. The quantity and quality of ma- 

 nure was the same in each of the three experiments, but 

 the number of plants was different in each.. The following 



