Coordinated management of daily PAR integral and carbon dioxide for hydroponic lettuce production

Acta Horticulturae

Volumn 456, Issue , 1998, Pages 45-51

  Both, A J ^a   Albright, L D ^a   Langhans, R W ^a  

^a Department of Molecular Biology and Genetics   (United States)

Author keywords

Daily PAR integral; Greenhouse; Hydroponics; Lettuce

Indexed keywords

EID: 0343256557     PISSN: 05677572     EISSN: None     Source Type: Book Series    
DOI: 10.17660/actahortic.1998.456.3     Document Type: Conference Paper

References (8)

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3. Both A. J, Albright L. D., Langhans R. W., Reiser R. A., Vinzant B. G., 1997a. Hydroponic lettuce production influenced by integrated supplemental light levels in a controlled environment agriculture facility: experimental results. Acta Horticulturae 418:45-52.
4. i output of nine 400 watt high pressure sodium luminaires and a greenhouse application of the results. Acta Horticulturae 418:195-202).
5. Ciolkosz D. E., Albright L. D., Both A. J., 1997. Modeling evapotranspiration in a greenhouse lettuce crop. Acta Horticulturae 456.
6. 2 enrichment in greenhouses. Crop responses. Scientia Horticulturae 33:1-25.
7. Phelan R. M., 1977. Automatic control systems. Cornell University Press, Ithaca, NY. 280 pp.
8. Spitters C. J. T., van Keulen H., van Kraalingen D. W. G., 1989. A simple and universal crop growth simulator: SUCROS87. In Simulation and system management in crop protection, Rabbinge R., Ward S. A., van Laar H. H. (eds.). Simulation Monographs 32. Center for Agricultural Publishing and Documentation (PUDOC), Wageningen, The Netherlands, p. 147-181.