1248 



EARLE V. HARDENBURG 



TABLE 75. RELATION OF FREQUENCY OF CULTIVATION AND RATE OF PLANTING, TO YIELD, 

 ON 329 LONG ISLAND FARMS IN 1912 



ten was not influential on yield. A further study of the table, however, 

 shows that as the rate of planting increased, the efficiency of the higher 

 frequencies of cultivation increased. This phenomenon may possibly 

 be explained by considering it in connection with the figures in table 76, 



TABLE 76. RELATION OF FREQUENCY OF CULTIVATION AND VALUE OF MANURE AND FERTI- 

 LIZER, TO YIELD, ON 330 LONG ISLAND FARMS IN 1912 



Value of manure and fertilizer 



showing the relation of frequency of cultivation and value of manure 

 and fertilizer to yield. The variation in the average yields in tables 75 



