692 
Journal of Agricultural Research 
Vol. XI, No. 13 
Fig. 7.—Graphs of the quantity of carbon evolved as carbon in soils treated with lime and oats alone and 
in combination with manure and lime. Period, 40-216 days. 
Fig. 8.—Graphs of the quantity of carbon evolved as carbon in soils treated with lime and clover alone 
and in combination with manure and lime. Period, 1-39 days. 
