98 



EXPERIMENTS UPON ROOT-CROPS 



the plots receiving dung and those which are manured exclu- 

 sively with "artificials." 



TABLE XL Barn Field Mangolds, Average produce of Hoots per acre 

 over 34 years (1876 to 1912).* 





* 1885, 1901, and 1908 omitted. t The addition of Potash to Plot 2 only began in 1895. 



t Average up to 1902 only ; manuring was then altered. 



TABLE XLI. Barn Field Mangolds. Produce of Roots and Leaves 

 per acre. Season 1900. (Good season.) 



* The addition of Potash to Plot 2 only began in 1895. 



