80 THE NEW BUSINESS OF FAKMING 



help, is kept busy from the beginning of the sea- 

 son until his crop is harvested. But he is lim- 

 ited in the area of cotton which he can grow to 

 that which he and his family can pick. A man 

 and one mule can plow and cultivate this amount 

 of land. The farmer is kept busy all day and 

 every day but he is walking behind one mule. 

 He is like the dairyman who is not cultivating 

 more crops to produce more milk because he 

 cannot care for the cows. Both mark time be- 

 cause of a single limiting factor. 



The wheat farmer in eastern Washington 

 keeps busy from one end of the season to the 

 other. The harvesting machine has removed 

 the one-time limiting factor of his work. Now, 

 one man can care for all the land which he can 

 plow during the year. The Washington farmer 

 extends this season by raising wheat on but 

 half of his land each year. The balance of the 

 land is prepared for next season's crop by plow- 

 ing part of it in the spring and part in the fall. 

 In this way the one-man wheat farm comprises 

 320 acres. But this man rides behind a team of 

 five or six big horses, in contrast to the one 



