K.'ologlcal 



Sci iils LAWES AGRICULTURAL TRUST 



Rothamsted Experimental Station 

 Harpenden 



REPORT 1921-22 



with the 



Supplement 



to the 



*'Guide to the Experimental Plots" 



containing 



The Yields per Acre, etc. 

 To he obtaitted only of the Secretary 



Price 2j6 (Foreign Postage extra) 



Telegrams Telephone Station 



Laboratory, Harpenden No. 21 Harpenden Harpenden (L. M. 6? S.) 



HARPENDEN 

 Printed by D. J. Jeffery. Vaughan Road 



V 



/ ' ^ "^ . 19 2 3 



^.'^TO'AG! 



