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EARLE V. HARDENBURG 



in 1913 was 8.1 times. The relation of this factor, in connection with 

 the rate of planting and the value of manure and fertilizer, to yield, is 

 shown in tables 79 and 80, respectively: 



TABLE 79. RELATION OP FREQUENCY OF CULTIVATION AND RATE OP PLANTING, TO 

 YIELD, ON 300 MONROE COUNTY FARMS IN 1913 



TABLE 80. RELATION OP FREQUENCY OP CULTIVATION AND VALUE OF MANURE AND 

 FERTILIZER, TO YIELD, ON 300 MONROE COUNTY FARMS IN 1913 



Value of manure and fertilizer 



Altho increased frequency of cultivation did not produce increased 

 yields for growers using less than 12 bushels of seed per acre, this does 



