1898.] 



PUBLIC DOCUMENT — No. 33. 



131 



Plot 7. 



Plot S. 



Plot 9. 



Plot 10. 



Plots 11 and 12. * 



Barn-yard manure, 



20,000 



112 



104 



* Average analysis of seventy-five samples tested at the station laboratory at Amherst, Muss. 



