CULTURE OF UAIZE 



237 



The New York State Station found a decrease in grain of 

 twenty-eight per cent and in stover of t^venty per cent during a 

 dry season, pruning three inches deep three to four inches from 

 the hill. During a rainy season pruning in the same manner 

 the second and last time when plants were only ten inches high 

 decreased the yield of grain seventeen per cent and the stover 

 twenty-three per cent. 



Table Showing Results of Deep and Shallow Culture. 



312. Depth of Cultivation. — While the experiments in root 

 pruning suggest that decided injury would result from deep 

 culture, they do not show what influence stirring the soil might 

 have in counteractmg such injuries. Not less than nineteen 



