In autumn when adequate supply of water is not available manufacturing of nutrients goes into low gear. A tree starts absorbing nutrients from its leaves into the branches and sheds dry, nutrientionless leaves. Till the new leaves sprout after the end of the autumn the tree curtails its need for carbon dioxide.
- Why are some plants insectivorous, or carnivorous?
- Why do trees stop growing after reaching a certain height?
- How does groundwater reach up to the top of the tall trees like coconut palm?