MAXTJKE FOP. BARLEY. 



237 



SAMS LAND, WITHOUT MANURE, AND WITH DIFFERENT DESCRIPTIONS OF 

 FIELD, ROTHAMSTED. 



CORN PER ACRE IbS. 



or quantity, of Manure, at the period indicated, for particulars of which, see 

 thereto, p. 231.] 



(1853-61% last 10 yoars. and total 19 years. ( s ) Averages of 7 years (1833-'C1), 

 of 9 years (1S53-X51), last 10 years, and total 19 years. 



