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AKHAVAN-KHARAZIAN, M., CAMPBELL, W. F., BUGBEE, B. (1987) Calcium amelioration of NaCl effects on leaf expansion, photosynthesis, and transpiration in Phaseolus vulgaris L. (Abs). HortScience 22(5):1087.

ANDRE, M., DAGUENET, A., MASSIMINO, D., GERBAUD, A. (1986) The C23A system, an exmaple of quantitative control of plant growth associated with a data base. In: NASA, Ames Research Center, Controlled Ecological Life Support Systems, p. 55-64. NASA-TM-88215.

ANDRE, M., DUCLOUX, H., RICHAUD, C., MASSIMINO, D., DAGUENET, A. (1987) Study of the relationships between photosynthesis, respiration, transpiration and mineral nutrition in wheat. (Etude des relations entre photsynthese respiration, transpiration et nutrition minerale chez le ble). COSPAR and International Academy of Astronautics, Plenary Meeting, 26th, Workshop on Controlled Ecological Life Support Systems, 2nd, Toulouse, France, June 30-July 11, 1986. Advances in Space Research (ISSN 0273-1177) 7(4):105-114. In French.

ANDRE, M., DUCLOUX, H., RICHAUD, C., MASSIMINO, D., DAGUENET, A., MASSIMINO, J., GERBAUD, A. (1988) Study of the relationship between photosynthesis, respiration, transpiration, and mineral nutrition in wheat (Etude Des Relations Entre Photosynthese Respiration Transpiration Et Nutrition Minerale Chez Le Ble).. In: NASA, Ames Research Center, Controlled Ecological Life Support System: Regenerative Life Support Systems in Space, p. 103-12. In French.

ANDRE, M., MACELROY, R. D. (1990) Plants and men in space - A new field in plant physiology. International Union of Physiological Sciences Commission on Gravitational Physiology, Annual Meeting, 11th, Lyons, France, Sept. 25-27, 1989, Proceedings. Physiologist, Supplement (ISSN 0031-9376) 33:S-100-S-101.

ANDRE, M., MASSIMINO, D., MASSIMINO, J., GERBAUD, A., COTTE, F. (1989) Effect of CO2 and O2 on development and fructification of wheat in closed systems. COSPAR, Plenary Meeting, 27th, Topical Meetings on Life Sciences andSpace Research XXIII(3): Natural and Artificial Ecosystems, Espoo, Finland, July 18-29, 1988. Advances in Space Research (ISSN 0273-1177) 9(8):17-28.

ANDRE, M., RICHAUD, C. (1986) Can plants grow in quasi-vacuum? In: NASA, Ames Research Center, Controlled Ecological Life Support Systems, p. 395-404. NASA- TM-88215.

ANONYMOUS. (1989) Continuous Hydroponic Wheat Production Using a Recirculating System. NASA TM-102784.

ANONYMOUS. (1993) Design of components for growing higher plants in space. In: USRA, NASA/USRA University Advanced Design Program, Fourth Annual Summer Conference, p 85-7.

ANONYMOUS. (1994) Plant research. ASR-237, NASA-TM-109664, TLSP: (Videotape).

APER, C. D., JR. (1983) Plant growth in controlled environments in response to characteristics of nutrient solutions. In: NASA, Ames Research Center, Controlled Ecol. Life Support System, p. 29-32. NASA-CP-2247.

ASLAM, M., HARBIT, K. B., HUFFAKER, R. C. (1988) Comparative effect of selenite and selenate on nitrate assimilation in barley seedlings (Abs). Pl. Physiol. 86(4, Suppl.):58.

ASLAM, M., HARBIT, K. B., HUFFAKER, R. C. (1990) Comparative effect of selenite and selenate on nitrate assimilation in barley seedlings. Plant & Cell 13(8):773- 82.

ASLAM, M., HUFFAKER, R. (1982) In vivo nitrate reduction in roots and shoots of barley Hordeum vulgare L. seedlings in light and darkness. Pl. Physiol. 70(4):1009- 13.

ASLAM, M., HUFFAKER, R. (1984) Effects of various forms of nitrogen nutrition on the development of nitrate and nitrite reductase activities in Glycine max (L.) Merr (Abs). Pl. Physiol. 75(1, Suppl.):119.

ASLAM, M., HUFFAKER, R. C. (1983) Effects of sugars on in vivo nitrate reduction in barley leaves in light and darkness under aerobic conditions (Abs). Pl. Physiol. 72(1, Suppl.):129.

ASLAM, M., HUFFAKER, R. C. (1986) Role of nitrite in the induction of nitrate reductase activity in barley leaves (Abs). Pl. Physiol. 80(4, Suppl.):41.

ASLAM, M., HUFFAKER, R. C. (1987) Role of nitrate and nitrite in the induction of nitrite reductase in barley leaves (Abs). Pl. Physiol. 83(4, Suppl.):51.

ASLAM, M., HUFFAKER, R. C. (1989) Role of nitrate and nitrite in the induction of nitrite reductase in leaves of barley seedlings. Pl. Physiol. 91:1152-6.

ASLAM, M., ROSICHAN, J. L., HUFFAKER, R. C. (1985) Induction of nitrate and nitrite reductase activities by NO3- and NO2- in barley leaves (Abs). Pl. Physiol. 77(4, Suppl.):45.

ASLAM, M., ROSICHAN, J. L., HUFFAKER, R. C. (1987) Comparative induction of nitrate reductase by nitrate and nitrite in barley leaves. Pl. Physiol. 83:579-84,.

ASLAM, M., TRAVIS, R. L., HUFFAKER, R. C. (1991) Comparative kinetics and reciprocal inhibition of nitrate and nitrite uptake in roots of uninduced and induced barley seedlings (Abs). Pl. Physiol. 96(1, Suppl.):103.

ASLAM, M., WARD, M. R., HUFFAKER, R. C., RAINS, D. W. (1984) Early effects of salinity on nitrate and ammonium assimilation in barley seedlings (Abs). Pl. Physiol. 75(1, Suppl.):65.

AVERNER, M. M., MACELROY, R. D., SMERNOFF, D. T. (1988) Controlled ecological life support systems: Development of a plant growth module. In: Controlled Ecological Life Support System. Design, Development, and Use of a Ground-Based Plant Growth Module, p. 11-40.

BALLOU, E. V., KUBO, L. Y., SPITZE, L. A., WYDEVEN, T., CLARK, J. A. (1977) Urea transport through composite polyallylamine membranes. ASME, SAE, AIAA, ASMA, and AIChE, Intersociety Conference on Environmental Systems, 7th, San Francisco, Calif., July 11-14, 1977. ASME PAPER 77-ENAS-5.

BARNES, C., BUGBEE, B. (1990) Effects of photoperiod, blue light, and phytochrome photoequilibria on soybeans (Abs). ASGSB Bull. 4(1):98.

BARNES, C., BUGBEE, B. (1990) Morphological responses of wheat to blue light and reduced phytochrome photoequilibria (Abs). Pl. Physiol. 93(1, Suppl.):130.

BARNES, C., BUGBEE, B. (1991) Morphological responses of wheat to changes in phytochrome photoequilibrium. Pl. Physiol. 97(1):359-65.

BARNES, C., BUGBEE, B. (1992) Morphological responses of wheat to blue light. Journal of Pl. Physiol. 139(3):339-42.

BARTA, D. J. (1982) Characteristics of high intensity discharge lamps (Abs). HortScience 17(3):493.

BARTA, D. J., BULA, R. J., MORROW, R. C., TIBBITTS, T. W. (1990) Characteristics of light emitting diodes for use as a photosynthetic irradiance source for plants (Abs). ASGSB Bull. 4(1):47.

BARTA, D. J., BULA, R. J., TIBBITTS, T. W. (1990) Wheat growth under a light emitting diode irradiance source (Abs). ASGSB Bull. 4(1):50.

BARTA, D. J., TIBBITTS, T. W. (1984) Enclosure of young lettuce leaves: Effects of tipburn incidence and leaf calcium and magnesium concentration (Abs). HortScience 19(3):582-3.

BARTA, D. J., TIBBITTS, T. W. (1985) Diurnal fluctuations in calcium and magnesium concentration of lettuce leaves (Abs). Pl. Physiol. 77(4):164.

BARTA, D. J., TIBBITTS, T. W. (1985) Use of electron microprobe x-ray analysis for determination of low calcium concentrations across leaf tissue (Abs). HortScience 20(3):555.

BARTA, D. J., TIBBITTS, T. W. (1985) Use of the wavelength-dispersive microprobe for determination of low calcium levels in plant tissues. In: Proceedings of the Second International Symposium on Genetic Aspects of Mineral Nutrition, Madison, WI, June 16- 20, 1985, 1 p.

BARTA, D. J., TIBBITTS, T. W. (1986) Effects of artificial enclosure of young lettuce leaves on tipburn incidence and leaf calcium concentration. J. Amer. Soc. Hort. Sci. 111:413-6.

BARTA, D. J., TIBBITTS, T. W. (1986) Mineral localization in young enlarging leaves of lettuce: Implications for tipburn development (Abs). HortScience 21(3):728.

BARTA, D. J., TIBBITTS, T. W. (1987) Electron probe x-ray analysis of mineral concentrations across leaves deficient in calcium (Abs). J. Pl. Nutri. 10:1935-6.

BARTA, D. J., TIBBITTS, T. W. (1991) Calcium localization in lettuce leaves with and without tipburn: Comparison of controlled environment and field-grown plants. J. Amer. Soc. Hort. Sci. 116(5):870-5.

BARTA, D. J., TIBBITTS, T. W., BULA, R. J., MORROW, R. C. (1992) Evaluation of light emitting diode characteristics for a space-based plant irradiation source. Adv. Space Res. 12(5):141-9.

BATES, M. E., BUBENHEIM, D. L. (1992) Applications of CELSS technology to controlled environment agriculture. In: NASA, Washington, Technology 2001: The Second National Technology Transfer Conference and Exposition, Volume 1, p. 497- 506.

BATTEN, J. H., PETERSON, B. V., BERDIS, E., WHEELER, R. M. (1994) Biomass production chamber air analysis of wheat study (BWT931). NASA-TM-109192.

BENNETT, S. M., COREY, B. R., BULA, R. J., TIBBITTS, T. W. (1989) Potential use of ion exchange materials in controlling nutrient balance of a recirculating solution for use in a CELSS (Abs). ASGSB Bull. 2:38.

BENNETT, S. M., TIBBITTS, T. W., CAO, W. (1991) Diurnal temperature fluctuation effects on potatoes grown with 12 hr photoperiods. Amer. Potato J. 68(2):81-6.

BENNETT, S. M., TIBBITTS, T. W., WHEELER, R. M., FITZPATRICK, A. H. (1988) Effect of diurnal temperature fluctuations on growth of potato (Abs). HortScience 23(3):819.

BERDIS, E., PETERSON, B. V., YORIO, N. C., BATTEN, J., WHEELER, R. M. (1994) Development of a sparging technique for volatile emissions from potato (Solanum tuberosum). NASA-TM-109199.

BERRY, W. L., KOONTZ, H., WHEELER, R., PRINCE, R. (1989) Criteria for evaluating experiments on crop production in space. SAE PAPER 891569, Intersociety Conference on Environmental Systems, 19th, San Diego, CA, July 24-26, 1989.

BERRY, W. L., KRIZEK, D. T., ORMROD, D. P., MCFARLANE, J. C., LANGHANS, R. W., TIBBITTS, T. W. (1981) Variation in elemental content of lettuce grown under base-line conditions in five controlled-environment facilities. J. Amer. Soc. Hort. Sci. 106(5):661-6.

BERRY, W. L., ORMROD, D. P., HAMMER, P. A., MCFARLANE, J. C., KRIZEK, D. T., LANGHANS, R. W. ; TIBBITTS, T. W. (1979) Uniformity studies with lettuce in controlled environment chambers: Results of growth and tissue analysis. Phytotronic Newslett. 19:62-6.

BERRY, W., HOSHIZAKI, T., ULRICH, A. (1986) The effect of ultradian and orbital cycles on plant growth. In: Controlled Ecological Life Support Systems: CELSS '85 Workshop (MacElroy, R. D. , Martello, N. V. , Smernoff, D. T. , Eds.). Moffett Field, CA: NASA, Ames Research Center, p. 565-76. NASA-TM-88215.

BLACKWELL, C. C., BLACKWELL, A. L. (1992) A study of the control problem of the shoot side environment delivery system of a closed crop growth research chamber. NASA-CR-177597.

BLACKWELL, C. C., KLISS, M., YENDLER, B., BORCHERS, B., YENDLER, B. S., NGUYEN, T. K., WALEH, A. (1991) Options for transpiration water removal in a crop growth system under zero gravity conditions. In: Regenerative life support systems and processes, Proceedings of the 21st International Conference on Environmental Systems, San Francisco, CA, July 15-18, 1991. SAE PAPER 911423, Warrendale, PA, Society of Automotive Engineers, Inc., 1991, p. 15-18.

BLEDSOE, J., MANUKIAN, A., PEARCE, M., WEISS, L. (1989) Non-destructive plant health sensing using absorption spectroscopy. In: Advanced Space Design Program to the Universities Space Research Association and the National Aeronautics and Space Administration, 56 p.

BLEDSOE, J., WEISS, L. (1989) Variable plant spacing. In: Advanced Space Design Program to the Universities Space Research Association and the National Aeronautics and Space Administration, 41 p.

BOKOVAIA, M. M., NILOVSKAIA, N. T. (1968) Air regeneration by higher plants (Regeneratsiia vozdukha vysshimi rasteniiami). Moscow, Izdatel'stvo Nauka. In: Problems Of Creating Closed Ecological Systems (Problemy Sozdaniia Zamknutykh Ekologicheskikh Sistem). Edited By A. A. Nichiporovich and G. M. Lisovskii, p.108-14. In Russian.

BOSTON, P. J. (1981) Low-pressure greenhouses and plants for a manned research station on Mars. British Interplanetary Society, Journal (Space Chronicle) 34:189- 192.

BRAKMAN, B., DIOSO, L., PARKER, D., SEGAL, L., MERRIMAN, C., HOWARD, I., VU, H., ANDERSON, K., RILEY, S., AMERY, D. (1994) Design and implementation of components for a bioregenerative system for growing higher order plants in space. In: USRA, NASA/USRA University Advanced Design Program, Fifth Annual Summer Conference, p 67-76.

BROOKS, C. A., MITCHELL, C. A. (1984) Sham stimulated dark germination of Waldmann's Green lettuce (Abs). Pl. Physiol. 75(1, Suppl.):69.

BROOKS, C. A., MITCHELL, C. A. (1988) Effect of salicylhydroxamic acid on endosperm strength and embryo growth of Lactuca sativa L. cv. 'Waldmann's Green' seeds. Pl. Physiol. 86:826-9.

BROOKS, C. A., YU, K. S., MITCHELL, C. A. (1985) Salicylhydroxamic acid potentiates germination of 'Waldmann's Green' lettuce seed. Pl. Physiol. 79:386-8.

BUBENHEIM, D. L. (1989) The crop growth research chamber: A ground-based facility for CELSS research. In NASA, Ames Research Center, Controlled Ecological Life Support Systems: CELSS '89 Workshop, p. 303-17.

BUBENHEIM, D. L. (1990) The Crop Growth Research Chamber: A ground-based facility for CELSS research. In: Controlled Ecological Life Support Systems: CELSS '89 Workshop (MacElroy, R. D. , Ed.). Moffett Field, CA: NASA, Ames Research Center, p. 303-17. NASA TM-102277.

BUBENHEIM, D. L. (1991) Plants for water recycling, oxygen regeneration and food production. Waste Mgmt. Res. 9(5):435-43.

BUBENHEIM, D. L., BUGBEE, B., SALISBURY, F. B. (1984) Effect of water filters on radiation in controlled environments (Abs). HortScience 19(3):557,.

BUBENHEIM, D. L., BUGBEE, B., SALISBURY, F. B. (1985) Influence of a roof applied water layer on radiation, cooling requirements, and CO2 enrichment efficiency in a greenhouse (Abs). HortScience 20(3):557.

BUBENHEIM, D. L., BUGBEE, B., SALISBURY, F. B. (1987) Growth and yield of wheat in photoperiods characteristic of polar and equatorial earth orbits (Abs). HortScience 22(5):1063.

BUBENHEIM, D. L., BUGBEE, B., SALISBURY, F. B. (1988) Radiation in controlled environments:Influence of lamp type and filter material. J. Amer. Soc. Hort. Sci. 113(3):468-74.

BUBENHEIM, D. L., BUGBEE, B., SALISBURY, F. B. (1989) Low-irradiance blue- light induced lignin synthesis in wheat (Abs). Pl. Physiol. 89(4, Suppl.):22.

BUBENHEIM, D. L., DRESCHEL, T. W., MITCHELL, C. A. (1987) Comparison of plant growth in a tubular membrane hydroponic system with that in conventional hydroponic culture (Abs). HortScience 22(5):1051.

BUBENHEIM, D. L., MITCHELL, C. A. (1987) Evaluation of new candidate crop species for CELSS (Abs). In: Space Life Sciences Symposium: Three Decades of Life Science Research in Space, Washington, DC, June 21-26, 1987, p. 27.

BUBENHEIM, D. L., MITCHELL, C. A. (1988) Cowpea harvest strategies and yield efficiency for space food production (Abs). HortScience 23(3):762.

BUBENHEIM, D. L., SALISBURY, F. B. (1985) Photoperiod sensitivity of wheat (Abs). Pl. Physiol. 77(4, Suppl.):110.

BUBENHEIM, D. L., STRAIGHT, C. L., LUNA, P. M., WAGENBACH, K. M., HASLERUD, M. (1989) The Crop Growth Research Chamber: A ground-based facility for CELSS research. Paper presented at the 19th Intersociety Conference on Environmental Systems, San Diego, CA, July 24-26, 1989, 12 p. SAE Paper 89- 1588.

BUGBEE, B. (1985) When does CO2 enrichment become toxic to plants? (Abs) HortScience 20(3):549.

BUGBEE, B. (1987) Design and maintenance of recirculating hydroponic systems (Abs). HortScience 22(5):1053.

BUGBEE, B. (1988) Photosynthetic efficiency of wheat in a 24-hour photoperiod: Effect of diurnal dark periods (Abs). Pl. Physiol. 86(4, Suppl.):7.

BUGBEE, B. (1989) Carbon use efficiency in optimal environments --- for photosynthesis in CELSS. SAE PAPER 891572, Intersociety Conference on Environmental Systems, 19th, San Diego, CA, July 24-26, 1989.

BUGBEE, B. (1989) Exploring the limits of crop productivity: A model to evaluate progress (Abs). In: Controlled Ecological Life Support Systems, Orlando, FL, February 1989, p. 9..

BUGBEE, B. (1990) Exploring the limits of crop productivity: A model to evaluate progress. In: Controlled Ecological Life Support Systems: CELSS '89 Workshop (MacElroy, R. D., Ed.). Moffett Field, CA: NASA, Ames Research Center, p. 1-23. NASA TM-102277.

BUGBEE, B. (1990) Food production in controlled environments: Energy efficiency of crop plants (Abs). In: Abstracts, Twenty-Eighth Plenary Meeting of COSPAR, The Hague, The Netherlands, June 25-July 6, 1990, p. 253.

BUGBEE, B. (1992) Determining the potential productivity of food crops in controlled environments. Life sciences and space research XXIV/4/ - Natural and artificial ecosystems, Proceedings of the Topical Meeting of the Interdisciplinary Scientific Commission F /Meetings F10, F11, F1 and F12/ of the COSPAR 28th Plenary Meeting, The Hague, Netherlands, June 25-July 6, 1990. Advances in Space Research (ISSN 0273-1177) 12(5):85-95.

BUGBEE, B. G., SALISBURY, F. B. (1985) An evaluation of MES [2(N-morpholino)- ethanesulfonic acid] and amberlite IRC-50 as pH buffers for nutrient solution studies. J. Pl. Nutri. 8(7):567-83.

BUGBEE, B. G., SALISBURY, F. B. (1986) Studies on maximum yield of wheat for the controlled environments of space. In: Controlled Ecological Life Support Systems: CELSS '85 Workshop (MacElroy, R. D., Martello, N. V., Smernoff, D. T., Eds.). Moffett Field, CA: NASA, Ames Research Center, p. 447-85. NASA-TM-88215.

BUGBEE, B. G., SALISBURY, F. B. (1988) Current and potential productivity of wheat for CELSS (Abs). In: Abstracts, Twenty-Seventh Plenary Meeting of COSPAR, Espoo, Finland, July 18-29, 1988, p. 390.

BUGBEE, B. G., SALISBURY, F. B. (1988) Exploring the limits of crop productivity: Photosynthetic and carbon partitioning efficiency in optimizing environments for a CELSS (Abs). ASGSB Bull. 1:30-1.

BUGBEE, B. G., SALISBURY, F. B. (1988) Exploring the limits of crop productivity. I. Photosynthetic efficiency of wheat in high irradiance environments. Pl. Physiol. 88:869-78.

BUGBEE, B. G., SALISBURY, F. B. (1989) Controlled environment crop production - Hydroponic vs. lunar regolith. In: Lunar base agriculture: Soils for plant growth. Madison, WI, American Society of Agronomy, Inc., Crop Science Society of America, Inc., and Soil Science Society of America, Inc., 1989, p. 107-129.

BUGBEE, B. G., SALISBURY, F. B. (1989) Controlled environment crop production: Hydroponic vs. lunar regolith. In: Lunar Base Agriculture:Soils for Plant Growth (Ming, D. W., Henninger, D. L., Eds.). Madison, WI: American Society of Agronomy, p. 107- 29.

BUGBEE, B. G., SALISBURY, F. B. (1989) Current and potential productivity of wheat for a controlled environmentlife support system. COSPAR, Plenary Meeting, 27th, Topical Meetings on Life Sciences andSpace Research XXIII(3): Natural and Artificial Ecosystems, Espoo, Finland, July 18-29, 1988. Advances in Space Research (ISSN 0273-1177) 9(8):5-15.

BUGBEE, B., BUBENHEIM, D. L., SALISBURY, F. B. (1986) Temperature/photoperiod effects on reproductive development in a long-day plant (wheat) (Abs). Pl. Physiol. 80(4, Suppl.):3.

BUGBEE, B., GUERRA, D., SALISBURY, F. (1983) A simple, effective modification for increasing radiation in controlled environments (Abs). HortScience 18(4):574,.

BUGBEE, B., SALISBURY, F. (1983) Evaluation of pH buffering agents for nutrient solution studies (Abs). Pl. Physiol. 72(1, Suppl.):5.

BUGBEE, B., SALISBURY, F. B. (1982) Iron nutrition of wheat in solution culture (Abs). HortScience 17(3):514.

BUGBEE, B., SALISBURY, F. B. (1985) Food production in simulated microgravity (Abs). Pl. Physiol. 77(4, Suppl.):104.

BUGBEE, B., SALISBURY, F. B. (1985) Wheat production in the controlled environments of space. Utah Sci. 46:145-51.

BUGBEE, B., SALISBURY, F. B. (1987) Exploring the limits of crop productivity: Photosynthetic and carbon partitioning efficiency in an optimizing environment (Abs). Pl. Physiol. 83(4, Suppl.):62.

BUGBEE, B., SALISBURY, F. B. (1987) Physiological and genetic studies on wheat for the controlled environments of space (Abs). In: Space Life Sciences Symposium: Three Decades of Life Science Research in Space, Washington, DC, June 21-26, 1987, p. 246-248.

BUGBEE, B., SALISBURY, F. B. (1988) The role of phasic environmental control in lunar food production efficiency: Architectural implications (Abs). In: Symposium on Lunar Bases and Space Activities in the 21st Century, Houston, TX, April 5-7, 1988, p. 38.

BUGBEE, B., WHITE, J. W. (1984) Tomato growth as affected by root-zone temperature and the addition of giberellic acid and kinetin to nutrient solutions. J. Amer. Soc. Hort. Sci. 109:121-5.

BULA, R. J., COREY, R. B., VOLKWEISS, S. J., TIBBITTS, T. W. (1987) Concepts for a commercial space-based plant growth unit (Abs). In: Space Life Sciences Symposium: Three Decades of Life Science Research in Space, Washington, DC, June 21-26, 1987, p. 9-11.

BULA, R. J., MORROW, R. C., TIBBITTS, T. W. (1989) Technology for subsystems of space-based plant growth facilities (Abs). In: Controlled Ecological Life Support Systems, Orlando, FL, February 1989, p. 21.

BULA, R. J., MORROW, R. C., TIBBITTS, T. W., BARTA, D. J., IGNATIUS, R. W., MARTIN, T. S. (1991) Light-emitting diodes as a radiation source for plants. HortScience 26(2):203-5.

BULA, R. J., MORROW, R. C., TIBBITTS, T. W., COREY, R. B. (1990) Technology for subsystems of space-based plant growth facilities. In: Controlled Ecological Life Support Systems: CELSS '89 Workshop (MacElroy, R. D., Ed.). Moffett Field, CA: NASA, Ames Research Center, p. 383-390. NASA TM-102277.

BULA, R. J., TIBBITTS, T. W. (1990) Commercial involvement in space-based plant growing technology development (Abs). In: Abstracts, Twenty-Eighth Plenary Meeting of COSPAR, The Hague, The Netherlands, June 25-July 6, 1990, p. 250.

BULA, R. J., TIBBITTS, T. W., MORROW, R. C., DINAUER, W. R. (1992) Commercial involvement in the development of space-based plant growing technology. Adv. Space Res. 12(5):5-10.

BULL, S. M., BRUNN, N., LIEBELT, R. (1987) Low earth orbit space farm. In: Space manufacturing 6 - Nonterrestrial resources, biosciences, and space engineering, Proceedings of the Eighth Princeton/AIA SSI Conference, Princeton, NJ, May 6-9, 1987. Washington, DC, American Institute of Aeronautics and Astronautics, p. 102-111.

CAMPBELL, W. F. (1982) Interactive effects of temperature and humidity on onion pollen germination and pollen tube growth (Abs). HortScience 17(1):26.

CAMPBELL, W. F., WAGENET, R. J., RODRIQUEZ, R. R. (1982) Fertility, salinity and water management interactions on yield components and nitrogen fixation in Phaseolus L. (Abs). HortScience 17(3):479.

CAO, W., TIBBITTS, T. (1990) Physiological responses of potatoes to continuous irradiation (Abs). Pl. Physiol. 93(1, Suppl.):138.

CAO, W., TIBBITTS, T. (1991) Magnesium concentration effects on carbon dioxide exchange in potatoes (Abs). Pl. Physiol. 96(1, Suppl.):133.

CAO, W., TIBBITTS, T. W. (1990) Diurnal variation in nutrient uptake in potatoes (Abs). ASGSB Bull. 4(1):48.

CAO, W., TIBBITTS, T. W. (1991) Nitrogen form and pH interaction on plant growth and mineral accumulation (Abs). ASGSB Bull. 5(1):51.

CAO, W., TIBBITTS, T. W. (1991) Physiological responses in potato plants under continuous irradiation. J. Amer. Soc. Hort. Sci. 116(3):525-7.

CAO, W., TIBBITTS, T. W. (1991) Potassium concentration effect on growth, gas exchange and mineral accumulation in potatoes. J. Pl. Nutri. 14(6):525-37.

CAO, W., TIBBITTS, T. W. (1991) Uptake of N, P, K, Ca, and Mg at varied solution concentrations of each element (Abs). ASGSB Bull. 5(1):50.

CARMAN, J. G., CAMPBELL, W. F., JEFFERSON, N. E., WHITESIDES, S. K., BUGBEE, B., HASHIM, Z. N. (1987) Optimizing nutrient, phytohormone and gas concentrations for mass propagation of wheat through somatic embryogenesis (Abs). In: Space Life Sciences Symposium: Three Decades of Life Science Research in Space, Washington, DC, June 21-26, 1987, p. 248-50.

CARMAN, J. G., HESS, J. R., BUGBEE, B. (1989) Cloning plant embryos by simulating ovular conditions in controlled environments (Abs). ASGSB Bull. 3(1):63.

CARMAN, J.G., HESS, J. R. (1989) Cloning crops in a CELSS via tissue culture: Prospects and problems. In NASA, Ames Research Center, Controlled Ecological Life Support Systems: CELSS '89 Workshop, p. 127-46.

CHAGVARDIEFF, P., DALETTO, T., VIDAL, D., ANDRE, M. (1995) Physiological responses of lettuce crop to various conditions of light, carbon dioxide and oxygen in artificial systems. In: ESA, Proceedings of the Fifth European Symposium on Life Sciences Research in Space, p. 233-237.

CHAILLOU, S., VESSEY, J. K., MOROT-GAUDRY, J. F., RAPER, C. D. , JR., HENRY, L. T., BOUTIN, J. P. (1991) Expression of characteristics of ammonium nutrition as affected by pH of the root medium. Journal of Experimental Botany 42(235):189-96.

CHAMBERLAND, D., KNOTT, W. M., SAGER, J. C., WHEELER, R. (1992) Controlled ecological life-support system - Use of plants for human life-support in space. Florida Medical Association Journal (ISSN 0015-4148) 79(8):537-544.

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TIBBITTS, T. W., ALFORD, D. K. (EDS.) (1982) Controlled Ecological Life Support Systems: Use of Higher Plants. Proceedings of two NASA Workshops, Chicago, IL, November 1979 and Ames Research Center, Moffett Field, CA, March 1980. Washington, DC: NASA Headquarters, 84 p. NASA-CP-2231.

TIBBITTS, T. W., BENNETT, S. M. (1989) Avoidance of continuous light injury of potatoes using cycling temperatures (Abs). HortScience 24(Suppl.):96.

TIBBITTS, T. W., BENNETT, S. M. (1989) Environmental and cultural considerations for growth of potatoes in CELSS (Abs). In: Controlled Ecological Life Support Systems, Orlando, FL, February 1989, p. 11.

TIBBITTS, T. W., BENNETT, S. M., CAO, W. (1990) Control of continuous irradiation injury on potatoes with daily temperature cycling. Pl. Physiol. 93:409-11.

TIBBITTS, T. W., BENNETT, S. M., MORROW, R. C. (1989) Environmental and cultural considerations for growth of potatoes in CELSS. In NASA, Ames Research Center, Controlled Ecological Life Support Systems: CELSS '89 Workshop, p. 77-92.

TIBBITTS, T. W., BENNETT, S. M., MORROW, R. C., BULA, R. J. (1989) Utilization of white potatoes in CELSS. COSPAR, Plenary Meeting, 27th, Topical Meetings on Life Sciences andSpace Research XXIII(3): Natural and Artificial Ecosystems, Espoo, Finland, July 18-29, 1988. Advances in Space Research (ISSN 0273-1177) 9(8):53-59.

TIBBITTS, T. W., BENNETT, S. M; MORROW, R. C. (1990) Environmental and cultural considerations for growth of potatoes in CELSS. In: Controlled Ecological Life Support Systems: CELSS '89 Workshop (MacElroy, R. D., Ed.). Moffett Field, CA: NASA, Ames Research Center, p. 77-92. NASA TM-102277.

TIBBITTS, T. W., BULA, R. J. (1990) Application of light emitting diodes for plant irradiation in space bases (Abs). In: Abstracts, Twenty-Eighth Plenary Meeting of COSPAR, The Hague, The Netherlands, June 25-July 6, 1990, p. 254.

TIBBITTS, T. W., CAO, W. (1990) Within-canopy lighting with light pipes (Abs). ASGSB Bull. 4(1):50.

TIBBITTS, T. W., CAO, W., WHEELER, R. M. (1995) Growth of potatoes for CELSS. NASA-CR-177646.

TIBBITTS, T. W., KOBRIGER, J. M. (1982) Mode of action of air pollutants in injuring horticultural plants (Abs). HortScience 17(3):539.

TIBBITTS, T. W., KOZLOWSKI, T. T. (EDS.) (1979) Controlled environment guidelines for plant research. Proceedings of the Controlled Environment Working Conference, Madison, WI, March 12-14, 1979. New York: Academic Press, 413 p.

TIBBITTS, T. W., MCSPARRON, D. A., KRIZEK, D. T. (1986) Spectral effects on the use of photon flux sensors for measurement of photon flux in controlled environments. Biotronics 15:31-6.

TIBBITTS, T. W., MORGAN, D. C., WARRINGTON, I. J. (1983) Growth of lettuce, spinach, mustard, and wheat plants under four combinations of high-pressure sodium, metal halide, and tungsten halogen lamps at equal PPFD. J. Amer. Soc. Hort. Sci. 108(4):622-30.

TIBBITTS, T. W., WHEELER, R. M. (1985) Controlled ecological life support system higher plant flight experiments. NASA-CR-177323.

TIBBITTS, T. W., WHEELER, R. M. (1986) Controlled Environment Life Support System: Growth Studies with Potatoes. Moffett Field, CA: NASA, Ames Research Center, 51 p. NASA-CR-177400.

TIBBITTS, T. W., WHEELER, R. M. (1986) Utilization of potatoes in bioregenerative life support systems (Abs). In: Abstracts, Twenty-Sixth Plenary Meeting of COSPAR, Toulouse, France, June 30-July 11, 1986, p. 156.

TIBBITTS, T. W., WHEELER, R. M. (1987) Potato growth in controlled environments for NASA (Abs). Amer. Potato J. 64:461-2.

TIBBITTS, T. W., WHEELER, R. M. (1987) Utilization of potatoes in bioregenerative life support systems. Adv. Space Res. 7(4):115-22.

TIBBITTS, T. W., WHEELER, R. M. (1988) Utilization of potatoes in bioregenerative life support systems. In: NASA, Ames Research Center, Controlled Ecological Life Support System: Regenerative Life Support Systems in Space, p. 113-20.

TIBBITTS, T. W., WHEELER, R. M. (1988) Utilization of white potatoes in CELSS (Abs). In: Abstracts, Twenty-Seventh Plenary Meeting of COSPAR, Espoo, Finland, July 18-29, 1988, p. 391.

TIBBITTS, T. W., WHEELER, R. M., FITZPATRICK, A. H. (1987) Cultural procedures for growing potatoes in space (Abs). Amer. Potato J. 64:462.

TIBBITTS, T., BULA, R., COREY, R., MORROW, R. (1988) Cultural systems for growing potatoes in space. Acta Hort. 230:287-9.

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TOLLEY-HENRY, L., RAPER, C. D., JR. (1986) Expansion and photosynthetic rate of leaves of soybean plants during onset of and recovery from nitrogen stress. Bot. Gaz. 147(4):400-6.

TOLLEY-HENRY, L., RAPER, C. D., JR. (1986) Nitrogen and dry-matter partitioning in soybean plants during onset of and recovery from nitrogen stress. Bot. Gaz. 147(4):392-9.

TOLLEY-HENRY, L., RAPER, C. D., JR. (1986) Utilization of ammonium as a nitrogen source: Effects of ambient acidity on growth and nitrogen accumulation by soybean. Pl. Physiol. 82:54-60.

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WHEELER, R. M., HANNAPEL, D. J., TIBBITTS, T. W. (1988) Comparison of axillary bud growth and patatin accumulation in potato leaf cuttings as assays for tuber induction. Ann. Bot. 62:25-30.

WHEELER, R. M., MACKOWIAK, C. L., SAGER, J. C. (1990) Proximate Composition of Seed and Biomass from Soybean Plants Grown at Different Carbon Dioxide (CO2) Concentrations. Kennedy Space Center, FL: NASA, Kennedy Space Center, 28 p. NASA-TM-103496.

WHEELER, R. M., MACKOWIAK, C. L., SAGER, J. C. (1991) Soybean stem growth under high-pressure sodium with supplemental blue lighting. Agron. J. 83:903-6.

WHEELER, R. M., MACKOWIAK, C. L., SAGER, J. C., KNOTT, W. M. (1990) Effects of atmospheric CO2 on photosynthetic characteristics of soybean leaves. In: Controlled Ecological Life Support Systems: CELSS '89 Workshop (MacElroy, R. D., Ed.). Moffett Field, CA: NASA, Ames Research Center, p. 93-105. NASA TM- 102277.

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WHEELER, R. M., MACKOWIAK, C. L., SAGER, J. C., KNOTT, W. M., HINKLE, C. R. (1991) Potato growth and yield in Nutrient Film Technique (NFT). NASA-CR- 184853.

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WHEELER, R. M., SCHWARTZKOPF, S. H., TIBBITTS, T. W., LANGHANS, R. W. (1985) Elimination of toxicity from polyurethane foam plugs used for plant culture. HortScience 20:448-9.

WHEELER, R. M., STEFFEN, K. L., TIBBITTS, T. W., PALTA, J. P. (1986) Utilization of potatoes for life support systems. II. The effects of temperature under 24-h and 12-h photoperiods. Amer. Potato J. 63:639-47.

WHEELER, R. M., TIBBITTS, T. W. (1984) Controlled Ecological Life Support System: Higher Plant Flight Experiments. Washington, DC: NASA Headquarters, 20 p. NASA-CR-177323.

WHEELER, R. M., TIBBITTS, T. W. (1984) Photoperiod-light level interactions on tuberization of potato (Abs). Pl. Physiol. 75(1, Suppl.):191.

WHEELER, R. M., TIBBITTS, T. W. (1984) Potato production in controlled environments:Photoperiod effects (Abs). HortScience 19(3):585-6.

WHEELER, R. M., TIBBITTS, T. W. (1985) Potato leaf cuttings as a spaceflight plant test system (Abs). Pl. Physiol. 77(4, Suppl.):58.

WHEELER, R. M., TIBBITTS, T. W. (1986) Growth and tuberization of potato (Solanum tuberosum L.) under continuous light. Pl. Physiol. 80:801-4.

WHEELER, R. M., TIBBITTS, T. W. (1986) Utilization of Plants for Lunar Life Support: A Case for the Potato Plant. Paper presented at the MAGLEV and Lunar Development Symposium, Atlantic City, NJ, September, 1986.

WHEELER, R. M., TIBBITTS, T. W. (1986) Utilization of potatoes for life support systems in space. I - Cultivar-photoperiod interactions. American Potato Journal (ISSN 0003-0589) 63:315-323.

WHEELER, R. M., TIBBITTS, T. W. (1987) Potential spaceflight experiments with potato (Abs). Amer. Potato J. 64:465-6.

WHEELER, R. M., TIBBITTS, T. W. (1987) Productivity and cost trade-offs of various environments for growing potatoes in a CELSS (Abs). In: Space Life Sciences Symposium: Three Decades of Life Science Research in Space, Washington, DC, June 21-26, 1987, p. 26-27.

WHEELER, R. M., TIBBITTS, T. W. (1987) Utilization of potatoes for life support systems in space. III. Productivity at successive harvest dates under 12-h and 24-h photoperiods. Amer. Potato J. 64(6):311-20.

WHEELER, R. M., TIBBITTS, T. W. (1989) Utilization of potatoes for life support systems in space. IV. Effect of CO2 enrichment. Amer. Potato J. 66:25-34.

WHEELER, R. M., TIBBITTS, T. W., FITZPATRICK, A. H. (1987) Growth of potatoes under high irradiance levels (Abs). HortScience 22(5):1113.

WHEELER, R. M., TIBBITTS, T. W., FITZPATRICK, A. H. (1987) Response of potato cultivars to continuous light environments (Abs). Amer. Potato J. 64:466.

WHEELER, R. M., TIBBITTS, T. W., FITZPATRICK, A. H. (1989) Potato growth in response to relative humidity. HortScience 24(3):482-4.

WHEELER, R. M., TIBBITTS, T. W., FITZPATRICK, A. H. (1991) Carbon dioxide effects on potato growth under different photoperiods and irradiance. Crop Sci. 31(5):1209-13.

WHEELER, R. M., TIBBITTS, T. W., FITZPATRICK, A. H., BENNETT, S. M. (1988) Effect of changing photoperiod and CO2 enrichment on growth and tuberization of potato (Abs). HortScience 23(3):819.

WHEELER, R. M., TIBBITTS, T. W., NAJAR, A. (1986) Interactions of irradiance, temperature, and CO2 in growth and tuberization of potato (Abs). HortScience 21(3):741.

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