1226 



EARLE V. HARDENBURG 



that it is not profitable to plant less than the average of 12.5 bushels per 

 acre. The influence of the rate of planting on the yield for this region 

 in 1912 is shown in table 59. It may be seen in this table that there was 



TABLE 59. RELATION 



RATE OF PLANTING TO YIELD ON 330 LONG ISLAND FARMS IN 

 1912 



1 



5 



11 



54 



68 



77 



49 



33 



21 



5 



3 



3 



1 6 27 38 81 43 60 27 23 13 8 3 330 

 r = 0.273 0.034 



FlG. 140. CORRELATION OF RATE OF PLANTING AND YIELD ON 330 LONG ISLAND FARMS 



IN 1912 



