124 



HATCH EXPERIMENT STATION. 



[Jan. 



Effect of Leguminous Crops upon the. Following Crop (Pounds). 



Effect of Leguminoits Crojis upon the Following Crop> (Pounds) — 



Concluded. 



1 Dry beans and straw. 



Curve showing Relation of Average No-nitrogen to Average Nitrogen 

 Plots, the Latter being considered in Each Year 100. 



[Per cent, average no-nitrogen to average nitrogen.] 



