ROTATION OF CROPS. 



219 



?ABLE 60. — Experiments on the Rotation of — Roots, Barley, Clover (or 

 Beans), or Fallow, and Wheat ; in Agdell Field, Rothamsted. 8 

 Courses, 32 Years, 1852-1883. 



average amounts of dry matter per acre per annum, grown in rotation, 

 compared with those in the crops grown continuously. 



SWEDISH TURNIPS. 



BARLEY. 



BEANS (6 COURSES), CLOVER (2 COURSES), OR FALLOW. 



WHEAT. 



1 Average per acre, 19 years, 1849-52 and 1856-70. 



2 Probably crop too low owing to a dell. 



