Contents 



Paga 



Design and Construction of Chamber 3 



Framework 3 



Glazing 3 



Door construction 5 



Utility and service entrances 5 



Facilities for plant growth 8 



Environmental Controls 9 



Temperature 9 



Lighting 9 



Carbon dioxide 9 



Pressure regulation 10 



Operation of the Chamber 11 



Growth of soybeans 12 



Growth of corn 13 



Growth of wheat 13 



Growth of tobacco 14 



Summary 14 



Literature Cited 15 



Washington, D.C. Issued November 1962 



