50 



CORN CULTURE 



of course, made the weighings slightly greater than they other- 

 wise would have been, but the comparisons are just the same. 

 For convenience in comparing we have divided the methods 

 of cultivation into the following groups: 



I. No Culture, Very Frequent, and Ordinary. 

 II. Shallow and Deep Culture. 

 III. No Culture, Mulch, and Ordinary. 



Fk;. 9. This Plot Eeceived No Culture 



GROUP I. 



Kind of Culture. 



Pounds corn 

 stover. 



No culture — weeds permitted. 



Very frequent — 14 times 



Ordinary — 5 times 



Bushels 



shelled corn 



per acre. 



A glance at this table shows two important facts: First, 

 that very frequent cultivations did not increase the yield in 

 any perceptible way. A plot cultivated fourteen times pro- 



