20 COOPERATIVE MARKETING 



of lemons, and of the non-bearing acreage 79 per cent, con- 

 sisted of oranges and 21 per cent, of lemons.' 



Number of Acres of Orange and Lemon Trees in Cali- 



This shows clearly that of recent years the proportion 

 of lemon plantings as compared with that of oranges has 

 been increasing. Turning now to the location of this pro- 

 ducing area, we find that it is widely scattered. Though 

 to many people orange growing and southern California 

 are synonymous, it is a fact that oranges are commercially 

 produced from Imperial Valley to Shasta, which lies some 

 725 miles to the north, in the same latitude as New York 

 City. In other words, throughout the extent of Cahfornia's 

 great thermal belt there are locations suitable for raising 

 oranges. However, classified according to contiguity, there 

 are four principal producing areas and several minor areas. 

 By far the most important is that district, forming a horse- 

 shoe, which stretches from Santa Ana and Fullerton, 

 through Whittier and the Los Angeles region, thence up 

 the San Gabriel Valley, and terminates in the important 

 district comprising the San Bernardino, Riverside, Red- 

 lands and Colton regions. In this group, composed of 



' Citrus Protective League : Bulletin No. 11, p. 67. 



