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A diagnostic experiment of the influence of CO_2on winter wheat
A diagnostic experiment of the influence of CO2 on winter wheat

Keywords: winter wheat,CO_2,OTC -1 open top chamber,ventilated experiment
winter
,wheat,CO2,OTC,-1,open,top,chamber,ventilated,experiment.

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Abstract:

The diagnostic experiment of the influences of different ventilated time and CO_2 concentra-tion on winter wheat are made by using the OTC -1 open top chamber. The results show that the influ-ences of CO_2 increase on the winter wheat development, grain yield and product quality are remarkablepositive effects no matter long or short the ventilated time. When the CO_2 concentration (700ppm) isthe sarne . the influences of 7 hours ventilated experiment on winter wheat development and yield forma-tion and other factors has an activation on physiological mechanisrn. The activation would be disap-peared with the ventilated time prolonged.

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