Edited by R.W. Langhans and T.W. Tibbitts North Central Regional Research Publication No. 340 Iowa Agriculture and Home Economics Experiment Station Special Report No. 99 Cover Title Page Contributors Preface Original Table of Contents Contents Chapter 1 – Radiation– John C. Sager and J. Craig McFarlane Chapter 2 – Temperature– Peter R. Hicklenton and Royal D. Heins Chapter 3 – Humidity– L. Arthur Spomer and Theodore W. Tibbitts Chapter 4 – Carbon Dioxide– Mary M. Peet and Donald T. Krizek Chapter 5 – Air Contaminants – Theodore W. Tibbitts Chapter 6 – Air Movement– Robert J. Downs and Donald T. Krizek Chapter 7 – Plant Culture in Solid MediaL. Arthur Spomer, Wade L. Berry, and Theodore W. Tibbitts Chapter 8 – Plant Culture in Hydroponics– Wade L.Berry and Sharon Knight Chapter 9 – Plant Physiological Disorders – Robert C. Morrow and R.M. Wheeler Chapter 10 – Pests and Diseases – John P. Sanderson and R. Kenneth Hors Chapter 11 – Special Use Chambers – J. Craig McFarlane, Robert C. Morrow, Douglas P. Ormrod, and Steven H. Schwartzkoff Chapter 12 – Chamber Maintenance– Robert W. Langhans and Theodore W. Tibbitts Chapter 13 – Experimental Design– P. Allen Hammer and Douglas A. Hopper Chapter 14 – Writing Chamber Specifications– William W. Wade, William A. Bailey, and Herschel H. Klueter Chapter 15 – Guidelines for Measurement and Reporting of Environmental Conditions – Donald T. Krizek, John C. Sager, and Theodore W. Tibbitts Appendix– Douglas A. Hopper, Gary W. Stutte, Ann McCormack, Daniel J. Barta, Royal D. Heins, John E. Erwin, and Theodore W. Tibbitts Plant Information Table Index