ARABLE REQUIRED TO REPLACE IMPORTS 97 



In order to form some judgment of what are the 

 possibilities, however remote they may be, of pro- 

 ducing the whole of the food that we buy from 

 foreign countries, we may frame the following estimate, 

 necessarily very approximate, of the amount of extra 

 arable land that would be required in the United 

 Kingdom for the purpose. 



TABLE X. ACREAGE OF ARABLE LAND REQUIRED TO 

 PRODUCE IMPORTS OF FOOD FROM FOREIGN SOURCES 



* Assuming that both grain and straw are consumed in 

 place of the imported grain. 



t Replacing maize by oats and barley. 



The acreage required to replace imports has been calcu- 

 lated on the following basis : The number of units of abso- 

 lute food (starch equivalents in Ibs.) produced by British 



