Plant Response to Carbon Dioxide Enrichment under Field Conditions: A Simulation

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Science  16 Jul 1971:
Vol. 173, Issue 3993, pp. 256-258
DOI: 10.1126/science.173.3993.256


A comprehensive soil-plant-atmosphere computer simulation model (SPAM) predicted up to a 45 percent increase in carbon dioxide uptake by a crop enriched with carbon dioxide at ground level. Enrichment rates of 225 and 450 kilograms of carbon dioxide per hectare per hour were used. Simulations covered a wide range of wind speed, crop height, and leaf area display.