28 INTENSIVE FARMING 



tain portions of Texas, Arizona, and New Mex- 

 ico, and without doubt in Southern California. 



Onion culture is not confined to humid sec- 

 tions, although a great and profitable crop is 

 grown in this portion of our domain. Certain 

 varieties attain the highest perfection when 

 grown, during the winter months, under irriga- 

 tion, in the semi-tropical portions of the United 

 States. 



Onion Seed Growing. Onion seed is suc- 

 cessfully grown in several sections of the con- 

 tinent. Early in our history the seed was pro- 

 duced in the New England states, and a small 

 seed industry has ever since been maintained 

 in that section. Some of our most successful 

 commercial sorts have been originated in the 

 Danvers section, from which they have derived 

 their name. A commercial onion seed industry 

 also exists in northeast Ohio, northwestern 

 Pennsylvania, and western New York, but the 

 chief source of supply is the California seed 

 fields. In the vicinity of San Jose, California, 

 hundreds of acres of bulbs are planted each 

 autumn for the production of seed. Most sorts 

 thrive in the region and produce seed suitable 

 for general commercial purposes. 



The seed supply for the Bermuda onion in- 

 dustry has not been commercially produced in 



