30 



BULLETIN 659, IT. S. DEPARTMENT OF AGRICULTURE. 



farm, this factor is used as a measure of efficiency in other I abulations 

 when size of farm does not enter as a disturbing factor. 



Figure s show- graphically the relation of size of farm to income 

 above rent and percentage returns on the investment. The series of 

 vertical lines (bottom of figure) represents the size of farm in crop 

 acres, each line representing one farm arranged from left to right 

 according to size. The horizontal line at 117.5 acre- represents the 

 average crop area per farm for all of the farms studied in the survey. 



6* 



iM 



Fig. 8. — Relation of size of farm bottom) to income above rent (middle) and to 

 present return on investment (top) (115 farms. Kllis County. Tex.). 



The scries of vertical linos in the middle of the figure represents 

 the income of the same farms shown at the bottom of the figure; the 

 horizontal line (middle) represents the average income above rent 

 for all farms. It is seen that as the size ol farm increases (left to 

 right) the incomes become larger, i. e., more of them are above the 

 average line than among the farms of smaller size. Also, it is ob- 

 served that there are more incomes that fall below the zero line as 



