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Pot plants, cut flowers, vegetables and forest plants show very positive effects from C02 enrichment by increased dry weight, plant height, number of leaves and lateral branching. Plant quality expressed by growth habit and number of flowers is often enhanced by C02 enrichment. The rooting of cuttings is often stimulated by high C02 levels. The optimal C02 concentration for growth and yield seems to lie between 700 and 900 HI l- I, and this C02 level is generally recommended in greenhouses. C02 concentrations higher than 1000. Scientia Horticulturae, 33 (1987) 1-25 1 Elsevier Science Publishers B.V., Amsterdam -- Printed in The Netherlands Review: CO 2 Enrichment in Greenhouses. Crop Responses LEIV M. MORTENSEN
Here are a few links to helps explain some of the water relations concepts we have discussed. osmosis model onion cell plasmolysis stomata Plant Water Transport cavitation