The reason is that the fallen branches and fallen leaves lose the anti-insect ability that plants should have due to their healthy life and are more vulnerable to pests. Pests have “rice†to eat and are easier to eat, which will greatly reduce the damage to young, healthy trees that are resistant to pests.
In addition, the holes that the pests shed on dead branches have become nests for natural enemies such as birds and ants, attracting more natural enemies. The degree of forest pests is exactly inversely proportional to the number of natural enemies such as birds and ants. There are many natural enemies, and there are fewer natural pests. It can be seen that dead leaves and fallen leaves can also play a role in maintaining ecological balance and curbing forest pests.
The grass and trees in the natural world, including dead branches and leaves, have the value and rationality of existence. People should respect nature and should not arbitrarily change nature. When you wipe out the litter on green islands, woodlands, and parks, do you think that you are also destroying the ecological balance and opening the door to aggravating forest pests and diseases in urban afforestation?
The urban afforestation has a strong artificial color, and the preservation of litter is an excellent way to increase its natural color and natural ecological attributes and it is worthy of serious consideration.
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