3L'S OF ROTATION OF CROPS. 



as not to be able to give a thin dunging every fourth year, 

 in the turnip drills, in that case let the grass remain two, 

 or even three years old, so as to require only a fifth or 

 sixth part annually dunged. If the lands were clay, con- 

 sequently unfit for turnips, he would take fallow, wheat, 

 grass, and oats; the grass to remain one, two, or three 

 years, as above. The grass, after the first year, would pay 

 little on clay lands, but when in grass, there is no expence, 

 and all the other crops must be good. On land that will 

 carry beans, he thinks, a six-course shift the best, which 

 will afterwards be described. 



On land calculated for that system, 1. Fallow or fallow 

 crops; 2. Wheat; 3. Clover; and, 4. Oats; is peculiarly 

 advantageous ; and from the profits resulting from the adop- 

 tion of that rotation, an active and intelligent farmer, (John 

 Tennant, Esq. of Girvan Mains, in Ayrshire), has gradu- 

 ally been enabled to stock three different farms ; and be- 

 ginning with a rent of only L. 50 per annum, he now an- 

 nually pays L. 2700, or Jifty-four times the sum he ori- 

 ginally paid, when he commenced his professional business. 

 There can hardly be a stronger argument in favour of that 

 system. 



Mr Brodie of Garvald, in an upland farm, where the fix- 

 ing of a proper rotation is of peculiar importance, adopts 

 the following course: 1. Turnips; 2. Barley; 3. Grass; 

 4. Oats. He recommends the red oat in particular for 

 such situations ; and in the more northern or higher situa- 

 tions and districts, it is probable that bear or big would be 

 better than barley. 



The rotation of four crops adopted near Edinburgh, 

 namely, 1. Potatoes; 2. Wheat; 3. Clover; and, 4-. Oats, 

 is a very productive one, but unfortunately, is only calcula- 

 ted for the neighbourhood of great towns, where ample 

 supplies of putrescent manures can be purchased. Where 



