1 36 t Cultivation of Arable Land. Turnips Methods offowing of. 



as well as from the ground being lefs rtirred about them in the early period of their 

 growth, before their tap roots are fufficiently fixed to fupport them.* 



It would fcem, however, from the fuccefs that has attended the putting in of this 

 fort of crop by the drill in different dift rifts, and the greater eafeand cheapnefs with 

 which the after-culture of the crop can be performed, that it is in general the moft 

 advantageous method ; but that at the fame time it may often be necefTary to vary 

 the nature of the ridges and the diftance of the rows according to the quality and 

 circum (lances of the foil. f 



* Jobfon, in Communications to the Hoard of Agriculture, vol. If. 



t The following are the refults of an experiment on the weights of fix different parcels of turnips 

 taken from u field of fifteen acres, which had been fown in June, 1797, with the view of determining 

 I he comparative value of the drill and broadcatt methods. The whole being in a ftate of equal tilth, 

 and manured in iis equal a manner as poffible, immediately before the feed was fown, with well-rotted 

 fold-yard dung, in the proportion of about feventeen cart-loads to the acre, each containing twenty- 

 flight Wincheftcr bufhels ; and with the view of rendering the trial as fair and accurate as poflible, 

 different breadths of land, of twenty yards each, were fown in the drill and broadcaft methods alter 

 nately throughout the, whole : part of the drills being on one-bout ridges of twenty fevcn inches each, 

 and the dung depofited immediately underneath the rows of feed, and the remainder in drills on the 

 level furfaces, at twenty-one inches diftance. The produce per acre being calculated on the weight of 

 four fquare perches, or the fortieth part of a ftatute acre, of each; the tails or fibrous parts of the 

 roots being firft cut off and rejected, taking the weights of the tops and roots afterwards feparately. 



ll is added, that though the crop, efpecially on the drilled part of the field, was not a very good one, 

 being too much thinned and otherwife injured by the grub after the plants had been finally fet out, it 

 was found that the turnips on the one-bout ridges exceeded the others ill weight ; the whole being 

 taken from an inferior part of the field, in order to afford a fairer average. 



No. 1. Drilled on one-bout ridges, 

 at 27 inches diftance 



2. Drilled with Mr. Bailey s 



machine on a level fur- 

 face, at 21 inches diftance 



3. Broadcatt 



4. Drilled on one-bout ridges, 



at 27 inches diftance 



5. Broadcaft (thefe and the 



preceding were round 

 white turnips) 



6. Broadcaft (red) 



