In general, the more carbon dioxide that is available to the plant, the faster the rate of photosynthesis - if other factors are favourable.

Leaf area increases with stand age, resulting in a decreasing rate of photosynthesis in the stand.

Plant respiration captures CO₂.

De-hardening in spring involves gradual re-hydration of the cells, recovery of photosynthetic capacity and a tight control of water loss.

Photoinhibition means the decrease in photosynthesis due to

When there is low soil moisture, plants close its stomata pores which then decreases photosynthesis.

The effect of light on photosynthesis has a clear saturating pattern: more light results in more photosynthesis but eventually leaves cannot take full advantage of all the extra light.

Early spring is a tricky time for plants due to the combination of sunny but still quite cold days.

The annual cycle of photosynthesis mainly follows

What is the source of carbon that is assimilated in photosynthesis?

Photosynthesis of a tree canopy is driven or influenced by

Almost half of the total biomass of a tree may be allocated to the roots.

In some part of the stems, some photosynthesis may also occur.

Carbon becomes locked as part of the accumulating plant biomass as plants grow.

As plants respire, they release