AN APPRAISAL OF POWER USED ON FAEMS 
49 
Fig. 52.— Distribution of row crops. Each dot represents 10,000 acres. Row crops include corn, 
cotton, tobacco, sugar beets, sugar cane, potatoes, vegetables, broomcorn, sorghum, peanuts, 
beans, etc., grown in rows. (Based on 1922 Crop Report of U. S. Department of Agriculture) 
in gerferal be divided into three principal groups: Row crops, non- 
row crops, and hay crops. 
The majority of farm implements used for field work originally 
were developed for the use of animal power, and this type of power 
can now be used successfully in doing practically all field opera- 
tions. When tractors came into use for field work they were easily 
Fig. 53.— Distribution of nonrow crops. Each dot represents 10,000 acres. Nonrow crops include 
wheat, oats, rye, barley, rice, flax, buckwheat, fruit, nuts, etc. Fruit and nuts have been in- 
cluded in the nonrow crop group because the rows are far enough apart to go between the rows 
with practically all classes of machinery. (Based on 1922 Crop Report of U. S. Department of 
Agriculture) 
