Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What kind of input you expect to keept the structures of the trees?

### Response:
To keep the structures of trees, the input would typically involve soil and water provision, pruning, pest control, and fertilizer. The type and amount of soil, water, and fertilizers would depend on the variety of tree and the conditions at the site, while pruning and pest control measures would vary based on the type of pest and the extent of damage.