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Journal articles on the topic 'Carbon dioxide enrichment'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2024

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1

Tremblay, Nicolas, and André Gosselin. "Effect of Carbon Dioxide Enrichment and Light." HortTechnology 8, no. 4 (October 1998): 524–28. http://dx.doi.org/10.21273/horttech.8.4.524.

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Since they grow nearly exponentially, plants in their juvenile phase can benefit more than mature ones of optimal growing conditions. Transplant production in greenhouses offers the opportunity to optimize growing factors in order to reduce production time and improve transplant quality. Carbon dioxide and light are the two driving forces of photosynthesis. Carbon dioxide concentration can be enriched in the greenhouse atmosphere, leading to heavier transplants with thicker leaves and reduced transpiration rates. Supplementary lighting is often considered as more effective than CO2 enrichment

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2

Roy, Yves, Mark Lefsrud, Valerie Orsat, Francis Filion, Julien Bouchard, Quoc Nguyen, Louis-Martin Dion, Antony Glover, Edris Madadian, and Camilo Perez Lee. "Biomass combustion for greenhouse carbon dioxide enrichment." Biomass and Bioenergy 66 (July 2014): 186–96. http://dx.doi.org/10.1016/j.biombioe.2014.03.001.

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3

Prior, S. A., H. A. Torbert, G. B. Runion, H. H. Rogers, D. R. Ort, and R. L. Nelson. "Free-Air Carbon Dioxide Enrichment of Soybean." Journal of Environmental Quality 35, no. 4 (July 2006): 1470–77. http://dx.doi.org/10.2134/jeq2005.0163.

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4

Hungate, Bruce A., Elisabeth A. Holland, Robert B. Jackson, F. Stuart Chapin, Harold A. Mooney, and Christopher B. Field. "The fate of carbon in grasslands under carbon dioxide enrichment." Nature 388, no. 6642 (August 1997): 576–79. http://dx.doi.org/10.1038/41550.

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5

Downton, WJS, WJR Grant, and BR Loveys. "Carbon Dioxide Enrichment Increases Yield of Valencia Orange." Functional Plant Biology 14, no. 5 (1987): 493. http://dx.doi.org/10.1071/pp9870493.

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The response to elevated CO2 of 3-year-old fruiting Valencia orange scions (Citrus sinensis (L.) Osbeck) on citrange rootstock (C. sinensis × Poncirus trifoliata (L.) Raf.) was studied over a 12-month period under controlled environmental conditions. CO2 enrichment to approx. 800 �bar CO2 which com- menced just prior to anthesis shortened the period of fruitlet abscission. Trees enriched to 800 �bar CO2 retained 70% more fruit, which at harvest were not significantly smaller in diameter or lower in fresh weight than fruit from control trees grown at approx. 400 �bar CO2. Fruit from the CO2 enr

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6

Hendrey, G. R., K. F. Lewin, and J. Nagy. "Free air carbon dioxide enrichment: development, progress, results." Vegetatio 104-105, no. 1 (January 1993): 17–31. http://dx.doi.org/10.1007/bf00048142.

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7

Molitor, H. D., and W. U. von Hentig. "Effect of Carbon Dioxide Enrichment During Stock Plant Cultivation." HortScience 22, no. 5 (October 1987): 741–46. http://dx.doi.org/10.21273/hortsci.22.5.741.

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Abstract Carbon dioxide enrichment has become an important factor in ornamental plant production during the past few years. Nurseries, especially those producing cuttings or young plants, increasingly use CO2 enrichment during stock plant cultivation and propagation. This development was brought about by new and inexpensive equipment for measuring and regulating greenhouse CO2 concentrations. Although the positive effect of CO2 enrichment on plant growth has been well established by previous investigations (3, 4, 6, 8, 9), optimum CO2 concentrations have not been clearly defined. Only a few pr

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8

Ehret, David L., and Peter A. Jolliffe. "Photosynthetic carbon dioxide exchange of bean plants grown at elevated carbon dioxide concentrations." Canadian Journal of Botany 63, no. 11 (November 1, 1985): 2026–30. http://dx.doi.org/10.1139/b85-283.

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Leaves of bean plants (Phaseolus vulgaris L. cv. Pure Gold Wax) grown in atmospheres enriched in CO2 (1400 μL L−1) showed a decrease in CO2 exchange capacity when compared with unenriched plants (340 μL L−1) measured at the same CO2 concentration. The decrease was not associated with changes in chlorophyll concentration or photorespiratory activity. The decrease was less evident in older leaves, in leaves maintained at low light intensity, and in those with reduced chlorophyll contents. Respiration rates in leaves of CO2-enriched plants increased only under conditions that caused a concurrent

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9

Hesse, Brian J., and M. E. McKay. "ENERGY EFFICIENT SUB-TROPICAL GREENHOUSES WITH CARBON DIOXIDE ENRICHMENT." Acta Horticulturae, no. 257 (December 1989): 137–48. http://dx.doi.org/10.17660/actahortic.1989.257.16.

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10

Zieslin, N., L. M. Mortensen, and R. Moe. "CARBON DIOXIDE ENRICHMENT AND FLOWER FORMATION IN ROSE PLANTS." Acta Horticulturae, no. 189 (July 1986): 173–80. http://dx.doi.org/10.17660/actahortic.1986.189.20.

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11

Bailey, B. J. "OPTIMAL CONTROL OF CARBON DIOXIDE ENRICHMENT IN TOMATO GREENHOUSES." Acta Horticulturae, no. 578 (June 2002): 63–69. http://dx.doi.org/10.17660/actahortic.2002.578.6.

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12

Jeong, Byoung Kyong, Kazuhiro Fujiwara, and Toyoki Kozai. "Carbon Dioxide Enrichment in Autotrophic Micropropagation: Methods and Advantages." HortTechnology 3, no. 3 (July 1993): 332–34. http://dx.doi.org/10.21273/horttech.3.3.332.

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Autotrophic micropropagation has advantages over conventional micropropagation and can reduce costs of plantlet production. In this article, we describe advantages of autotrophic micropropagation and a practical and formulated method of enriching culture rooms with CO2.

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13

Lewin, Keith F., George R. Hendrey, and Zbigniew Kolber. "Brookhaven national laboratory free‐air carbon dioxide enrichment facility." Critical Reviews in Plant Sciences 11, no. 2-3 (January 1992): 135–41. http://dx.doi.org/10.1080/07352689209382335.

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14

Lewin, K. F., G. R. Hendrey, and Z. Kolber. "Brookhaven National Laboratory Free-Air Carbon Dioxide Enrichment Facility." Critical Reviews in Plant Sciences 11, no. 2 (1992): 135. http://dx.doi.org/10.1080/713608024.

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15

Prior, S. A., H. A. Torbert, G. B. Runion, G. L. Mullins, H. H. Rogers, and J. R. Mauney. "Effects of carbon dioxide enrichment on cotton nutrient dynamics." Journal of Plant Nutrition 21, no. 7 (July 1998): 1407–26. http://dx.doi.org/10.1080/01904169809365492.

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16

Kuroyanagi, Takeshi, Ken-ichiro Yasuba, Tadahisa Higashide, Yasunaga Iwasaki, and Masuyuki Takaichi. "Efficiency of carbon dioxide enrichment in an unventilated greenhouse." Biosystems Engineering 119 (March 2014): 58–68. http://dx.doi.org/10.1016/j.biosystemseng.2014.01.007.

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17

Hungate, B. A., F. S. Chapin III., H. Zhong, E. A. Holland, and C. B. Field. "Stimulation of grassland nitrogen cycling under carbon dioxide enrichment." Oecologia 109, no. 1 (January 7, 1997): 149–53. http://dx.doi.org/10.1007/s004420050069.

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18

Haworth, Matthew, Gerald Moser, Antonio Raschi, Claudia Kammann, Ludger Grünhage, and Christoph Müller. "Carbon dioxide fertilisation and supressed respiration induce enhanced spring biomass production in a mixed species temperate meadow exposed to moderate carbon dioxide enrichment." Functional Plant Biology 43, no. 1 (2016): 26. http://dx.doi.org/10.1071/fp15232.

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The rising concentration of carbon dioxide in the atmosphere ([CO2]) has a direct effect on terrestrial vegetation through shifts in the rates of photosynthetic carbon uptake and transpirational water-loss. Free Air CO2 Enrichment (FACE) experiments aim to predict the likely responses of plants to increased [CO2] under normal climatic conditions. The Giessen FACE system operates a lower [CO2] enrichment regime (480 μmol mol–1) than standard FACE (550–600 μmol mol–1), permitting the analysis of a mixed species temperate meadow under a [CO2] level equivalent to that predicted in 25–30 years. We

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19

Hartz, T. K., A. Baameur, and D. B. Holt. "Carbon Dioxide Enrichment of High-value Crops under Tunnel Culture." Journal of the American Society for Horticultural Science 116, no. 6 (November 1991): 970–73. http://dx.doi.org/10.21273/jashs.116.6.970.

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The feasibility of field-scale CO2 enrichment of vegetable crops grown under tunnel culture was studied with cucumber (Cucumis saivus L. cv. Dasher II), summer squash (Cucurbita pepo L. cv. Gold Bar), and tomato (Lycopersicon escukntum Mill. cv. Bingo) grown under polyethylene tunnels. The drip irrigation system was used to uniformly deliver a CO2-enriched air stream independent of irrigation. Carbon dioxide was maintained between 700 and 1000 μl·liter-1 during daylight hours. Enrichment began immediately after crop establishment and continued for ≈4 weeks. At the end of the treatment phase, e

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20

Alqaheem, Yousef, and Fajer Alswaileh. "Oxygen Enrichment Membranes for Kuwait Power Plants: A Case Study." Membranes 11, no. 3 (March 17, 2021): 211. http://dx.doi.org/10.3390/membranes11030211.

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Power plants are considered as the major source of carbon dioxide pollution in Kuwait. The gas is released from the combustion of fuel with air to convert water into steam. It has been proven that the use of enriched oxygen can reduce fuel consumption and minimize emissions. In this study, UniSim (Honeywell, Charlotte, NC, USA) was used to estimate the fuel savings and carbon dioxide emissions of the largest power plant in Kuwait (Alzour). Results showed that at 30 mol% oxygen, the fuel consumption was lowered by 8%, with a reduction in carbon dioxide emissions by 3524 tons per day. An economi

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21

Prior, S. A., H. A. Torbert, G. B. Runion, H. H. Rogers, C. W. Wood, B. A. Kimball, R. L. LaMorte, P. J. Pinter, and G. W. Wall. "Free‐air Carbon Dioxide Enrichment of Wheat: Soil Carbon and Nitrogen Dynamics." Journal of Environmental Quality 26, no. 4 (July 1997): 1161–66. http://dx.doi.org/10.2134/jeq1997.00472425002600040031x.

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22

Jiang, Mingkai, Belinda E. Medlyn, John E. Drake, Remko A. Duursma, Ian C. Anderson, Craig V. M. Barton, Matthias M. Boer, et al. "The fate of carbon in a mature forest under carbon dioxide enrichment." Nature 580, no. 7802 (April 2020): 227–31. http://dx.doi.org/10.1038/s41586-020-2128-9.

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23

Hartz, T. K., A. Baameur, and D. B. Holt. "CARBON DIOXIDE ENRICHMENT OF VEGETABLE CROPS GROWN UNDER TUNNEL CULTURE." HortScience 25, no. 9 (September 1990): 1119d—1119. http://dx.doi.org/10.21273/hortsci.25.9.1119d.

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A study was conducted to determine the feasibility of fieldscale CO2 enrichment of vegetable crops grown under tunnel culture. Cucumber, squash and tomato were grown under polyethylene tunnels in a manner similar to commercial practices in southern California. The buried drip irrigation system was used to uniformly deliver an enriched CO2 air stream independent of irrigation. CO2 concentration in the tunnel atmosphere was maintained between 700-1000 ppm during daylight hours. Enrichment began two weeks after planting and continued for four weeks. At the end of the treatment phase, enrichment h

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24

Combe, Laurette, Jean-Michel Bertolini, and Philippe Quétin. "Photosynthèse de la primevère (Primula obconica Hance): Effets du gaz carbonique et de l’éclairement." Canadian Journal of Plant Science 73, no. 4 (October 1, 1993): 1149–61. http://dx.doi.org/10.4141/cjps93-154.

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Net CO2 exchange rates were measured on a 1 m2 crop of Primula obconica placed in a closed loop growing chamber as a function of irradiation and CO2 concentration. Greenhouse cultivation with CO2 enrichment (700 ppm) or without (350 ppm) had only very little effect on dry weight or on flowering rate and did not modify photosynthetic capacity of primrose. Productivity differences between horticultural techniques, such as supplemental lighting and/of CO2 enrichment, can be partly explained by study of photosynthesis curves: light increase is more efficient than carbon dioxide increase, the latte

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25

Behboudian, M. Hossein, and Robert Lai. "Carbon Dioxide Enrichment in `Virosa' Tomato Plant: Responses to Enrichment Duration and to Temperature." HortScience 29, no. 12 (December 1994): 1456–59. http://dx.doi.org/10.21273/hortsci.29.12.1456.

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Responses of the tomato (Lycopersicon esculentum Mill. cv. Virosa) plant to elevated CO2 concentrations applied throughout the photoperiod or part of it were studied under two temperature regimes. Plants were exposed to CO2 at 340 (control), 700, and 1000 μl·liter–1. The highest concentration was applied only at 22/16C (day/night) and 700 μl·liter–1 at 22/16C and 25/16C. Transpiration rates were lower and photosynthetic rates were higher under elevated CO2 than at the ambient level. Biomass production was higher only for plants grown at 700 μl·liter–1 and 25/16C. Concentrations of macronutrien

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26

Tang, Po-Hsiang, Pamela Berilyn So, Wa-Hua Li, Zi-You Hui, Chien-Chieh Hu, and Chia-Her Lin. "Carbon Dioxide Enrichment PEBAX/MOF Composite Membrane for CO2 Separation." Membranes 11, no. 6 (May 28, 2021): 404. http://dx.doi.org/10.3390/membranes11060404.

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Zeolitic imidazole framework (ZIF-8) was incorporated into poly(ether-block-amide) (Pebax-1657) in differing ratios to prepare mixed matrix membranes (MMMs) for gas separation. As ZIF-8 loading is increased, gas separation selectivity also gradually increases. For economic considerations, the proportion of the increase in selectivity to the amount of MOF loaded per unit was calculated. The results show that mixing 5% MOF gives the best unit performance. With this, a variety of MOFs (UiO-66, UiO-66-NH2, A520, MIL-68(Al) and MIL-100(Fe)) were mixed with PEBAX at 5 loading to prepare MMMs. In thi

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27

Prior, S. A., H. H. Rogers, G. B. Runion, B. A. Kimball, J. R. Mauney, K. F. Lewin, J. Nagy, and G. R. Hendrey. "Free‐Air Carbon Dioxide Enrichment of Cotton: Root Morphological Characteristics." Journal of Environmental Quality 24, no. 4 (July 1995): 678–83. http://dx.doi.org/10.2134/jeq1995.00472425002400040019x.

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28

Bloom, A. J., M. Burger, J. S. R. Asensio, and A. B. Cousins. "Carbon Dioxide Enrichment Inhibits Nitrate Assimilation in Wheat and Arabidopsis." Science 328, no. 5980 (May 13, 2010): 899–903. http://dx.doi.org/10.1126/science.1186440.

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29

Yurgalevitch, C. M., and H. W. Janes. "Carbon dioxide enrichment of the root zone of tomato seedlings." Journal of Horticultural Science 63, no. 2 (January 1988): 265–70. http://dx.doi.org/10.1080/14620316.1988.11515858.

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30

Li, Yongwei, Ying Ding, Daoliang Li, and Zheng Miao. "Automatic carbon dioxide enrichment strategies in the greenhouse: A review." Biosystems Engineering 171 (July 2018): 101–19. http://dx.doi.org/10.1016/j.biosystemseng.2018.04.018.

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31

Zhang, Gen, E. Jiang, Weiwei Liu, Hong Yang, Yulong Wu, and Yanping Huang. "Compatibility of Different Commercial Alloys in High-Temperature, Supercritical Carbon Dioxide." Materials 15, no. 13 (June 24, 2022): 4456. http://dx.doi.org/10.3390/ma15134456.

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In this work, the compatibility and long-term integrity of candidate structural materials, including the austenitic stainless steel 316NG, the Fe-Ni-based alloy 800H, and the Ni-based alloy 625, were tested in high-temperature and high-pressure SCO2. The exposure time was up to 3000 h. The results showed that the corrosion kinetics approximately followed a near-cubic law for 316NG and 800H. After 3000 h exposure, all oxide layers, mainly composed of Cr2O3, were continuous, compact, and protective, and their thicknesses were about 21~45 nm, 64~88 nm, and 34~43 nm, respectively. In the case of c

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32

Hong, Jindui, Wei Zhang, Yabo Wang, Tianhua Zhou, and Rong Xu. "Photocatalytic Reduction of Carbon Dioxide over Self-Assembled Carbon Nitride and Layered Double Hydroxide: The Role of Carbon Dioxide Enrichment." ChemCatChem 6, no. 8 (July 2, 2014): 2315–21. http://dx.doi.org/10.1002/cctc.201402195.

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33

Pertiwiningrum, A., T. Rhema, M. A. Wuri, N. A. Fitriyanto, and A. E. Tontowi. "The effect of chemical activation of biochar on biogas purification." IOP Conference Series: Earth and Environmental Science 1108, no. 1 (November 1, 2022): 012032. http://dx.doi.org/10.1088/1755-1315/1108/1/012032.

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Abstract Biogas become one of many alternative energies that are claimed to contribute to greenhouse gas mitigation. The improved technology to gain good quality biogas has been developed over many years such as carbon dioxide adsorption and methane enrichment. Implementing biochar-based renewable sources can replace activated carbon-based fossil fuels. This study is developing activated biochar-based rice husk by chemical activation to replace 25% volume of natural zeolite to adsorb carbon dioxide in biogas purification. Three treatments of adsorption time variation were used in this study: 1

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34

Stutte, Gary W., Ignacio Eraso, and Agnes M. Rimando. "Carbon Dioxide Enrichment Enhances Growth and Flavonoid Content of Two Scutellaria species." Journal of the American Society for Horticultural Science 133, no. 5 (September 2008): 631–38. http://dx.doi.org/10.21273/jashs.133.5.631.

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Scutellaria L. is a genus of herbaceous perennials of the Lamianaceae that includes several species with medicinal properties. The medicinal species of Scutellaria are rich in physiologically active flavonoids with a range of pharmacological activity. Experiments were conducted to determine the feasibility of increasing the growth rate and flavonoid content of Scutellaria barbata D. Don and Scutellaria lateriflora L. with CO2 enrichment in a controlled environment. Both species showed an increased growth rate and total biomass in response to CO2 enrichment from 400 to 1200 μmol·mol−1 CO2, and

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35

Mollah, Mahabubur, Debra Partington, and Genn Fitzgerald. "Understand distribution of carbon dioxide to interpret crop growth data: Australian grains free-air carbon dioxide enrichment experiment." Crop and Pasture Science 62, no. 10 (2011): 883. http://dx.doi.org/10.1071/cp11178.

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Carbon dioxide (CO2) is the most important greenhouse gas, predicted to increase globally from currently 386 to 550 μmol mol–1 by 2050 and cause significant stimulation to plant growth. Consequently, in 2007 and 2008, Australian grains free-air carbon dioxide enrichment (AGFACE) facilities were established at Horsham (36°45′07″S lat., 142°06′52″E long., 127 m elevation) and Walpeup (35°07′20″S lat., 142°00′18″E long., 103 m elevation) in Victoria, Australia to investigate the effects of elevated CO2, water supply and nitrogen fertiliser on crop growth. Understanding the distribution patterns o

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36

Burla, Sai Kiran, and S. R. Prasad Pinnelli. "Enrichment of gas storage in clathrate hydrates by optimizing the molar liquid water–gas ratio." RSC Advances 12, no. 4 (2022): 2074–82. http://dx.doi.org/10.1039/d1ra07585c.

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37

Gagnon, A., S. Yelle, and A. Gosselin. "THE INFLUENCE OF CONTINUOUS AND INTERMITTENT CO2 ENRICHMENT ON THE GROWTH, PRODUCTIVITY, AND PHYSIOLOGY OF GREENHOUSE TOMATO." HortScience 27, no. 6 (June 1992): 641a—641. http://dx.doi.org/10.21273/hortsci.27.6.641a.

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The objective of this experiment was to examine the influence of continuous and intermittent carbon dioxide enrichment on the growth of greenhouse tomato plants. Tomato plants were grown under four CO2 regimes: Control at 330 ppm, continuous supply at 1000 ppm, and intermittent supply (1h supply/2 hours) at 1000 ppm and 2000 ppm. Carbon enrichment produced an increase in photosynthetic rate and plant dry weight, a decrease in leaf nitrate level, and leaf accumulation of reducing sugars and starch. A loss in efficiency was observed over time in plants grown under high atmospheric C02 concentrat

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38

Metges, Cornelia, Klaus Kempe та Hanns-Ludwig Schmidt. "Dependence of the carbon-isotope contents of breath carbon dioxide, milk, serum and rumen fermentation products on the δ13C value of food in dairy cows". British Journal of Nutrition 63, № 2 (березень 1990): 187–96. http://dx.doi.org/10.1079/bjn19900106.

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Six dairy cows of two breeds were fed during three alternating periods with products from C3- and C4-plants to yield different natural 13C enrichments of the diet (δ13C range: -28.0 to -13.7‰). The resulting changes in the 13C enrichment of breath carbon dioxide, serum and milk of the animals followed the 13C: 12C of the food, in agreement with the individual biological half-lives of those products, and established isotope discriminations. Breath CO2 was more enriched in 13C than expected. This could be related to isotope discriminations during rumen fermentation. From these results an isotopi

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39

Heagle, A. S., J. E. Miller, F. L. Booker, and W. A. Pursley. "Ozone Stress, Carbon Dioxide Enrichment, and Nitrogen Fertility Interactions in Cotton." Crop Science 39, no. 3 (May 1999): 731–41. http://dx.doi.org/10.2135/cropsci1999.0011183x003900030021x.

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40

Allen, L. H., J. C. V. Vu, R. R. Valle, K. J. Boote, and P. H. Jones. "Nonstructural Carbohydrates and Nitrogen of Soybean Grown under Carbon Dioxide Enrichment." Crop Science 28, no. 1 (January 1988): 84–94. http://dx.doi.org/10.2135/cropsci1988.0011183x002800010020x.

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41

Campbell, Justin E., and James W. Fourqurean. "Novel methodology for in situ carbon dioxide enrichment of benthic ecosystems." Limnology and Oceanography: Methods 9, no. 3 (March 2011): 97–109. http://dx.doi.org/10.4319/lom.2011.9.97.

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42

Lootens, P., and J. Heursel. "Irradiance, Temperature, and Carbon Dioxide Enrichment Affect Photosynthesis in Phalaenopsis Hybrids." HortScience 33, no. 7 (December 1998): 1183–85. http://dx.doi.org/10.21273/hortsci.33.7.1183.

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The short-term effects of photosynthetic photon flux (PPF), day/night temperatures and CO2 concentration on CO2 exchange were determined for two Phalaenopsis hybrids. At 20 °C, the saturating PPF for photosynthesis was 180 μmol·m-2s-1. At this PPF and ambient CO2 level (380 μL·L-1), a day/night temperature of 20/15 °C resulted in the largest daily CO2 uptake. Higher night temperatures probably increased the respiration rate and lowered daily CO2 uptake in comparison with 20/15 °C. An increase in the CO2 concentration from 380 to 950 μL·L-1 increased daily CO2 uptake by 82%.

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43

Ko, Soon-Nam, Tae-Yeoul Ha, Seung In Hong, Sung Won Yoon, Junsoo Lee, Yangha Kim, and In-Hwan Kim. "Enrichment of tocols from rice germ oil using supercritical carbon dioxide." International Journal of Food Science & Technology 47, no. 4 (February 9, 2012): 761–67. http://dx.doi.org/10.1111/j.1365-2621.2011.02905.x.

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44

Filion, Mathieu, Pierre Dutilleul, and Catherine Potvin. "Optimum experimental design for Free-Air Carbon dioxide Enrichment (FACE) studies." Global Change Biology 6, no. 7 (October 2000): 843–54. http://dx.doi.org/10.1046/j.1365-2486.2000.00353.x.

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45

Hocking, P. J., and C. P. Meyer. "Carbon dioxide enrichment decreases critical nitrate and nitrogen concentrations in wheat." Journal of Plant Nutrition 14, no. 6 (June 1991): 571–84. http://dx.doi.org/10.1080/01904169109364225.

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46

Prior, Stephen A., and Hugo H. Rogers. "Soybean growth response to water supply and atmospheric carbon dioxide enrichment." Journal of Plant Nutrition 18, no. 4 (April 1995): 617–36. http://dx.doi.org/10.1080/01904169509364927.

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47

Ball, Andrew S., and Bert G. Drake. "Stimulation of soil respiration by carbon dioxide enrichment of marsh vegetation." Soil Biology and Biochemistry 30, no. 8-9 (August 1998): 1203–5. http://dx.doi.org/10.1016/s0038-0717(97)00253-8.

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48

Schier, George A., and Carolyn J. McQuattie. "Effects of carbon dioxide enrichment on response of mycorrhizal pitch pine (." Trees 12, no. 6 (1998): 340. http://dx.doi.org/10.1007/s004680050160.

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49

Dugas, William A., and Paul J. Pinter. "Introduction to the Free-Air Carbon dioxide Enrichment (FACE) cotton project." Agricultural and Forest Meteorology 70, no. 1-4 (September 1994): 1–2. http://dx.doi.org/10.1016/0168-1923(94)90043-4.

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50

Lewin, Keith F., George R. Hendrey, John Nagy, and Robert L. LaMorte. "Design and application of a free-air carbon dioxide enrichment facility." Agricultural and Forest Meteorology 70, no. 1-4 (September 1994): 15–29. http://dx.doi.org/10.1016/0168-1923(94)90045-0.

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