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compensation point


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1 The light intensity at which plants do not accumulate carbon through photosynthesis, because the rate at which they fix carbon is equal to the rate at which they release carbon by respiration.

2 At a given light intensity, the atmospheric concentration of carbon dioxide at which the rate of carbon fixation by photosynthesis is equal to the rate at which carbon is released by respiration.

Subjects: Plant Sciences and Forestry — Ecology and Conservation.


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