Generally, what method do you prefer for depreciating a land?

You cannot depreciate the cost of land because land does not wear out, become obsolete, or get used up.
The cost of land generally includes the cost of clearing, grading, planting, and landscaping.
Although you cannot depreciate land, you can depreciate certain land preparation costs, such as landscaping costs, incurred in preparing land for business use.
These costs must be so closely associated with other depreciable property that you can determine a life for them along with the life of the associated property.
You can depreciate most types of tangible property (except land), such as buildings, machinery, vehicles, furniture, and equipment.
You also can depreciate certain intangible property, such as patents, copyrights, and computer software.

You are correct.
Land is not depreciated because land is assumed to have an unlimited useful life.

land is not depreciated as its has indefinite useful life

Land is an asset that does not depreciate.
So no depreciation method is used for land.

Although many think that "Land" is not depreciable, land can be depreciated if it's planted (Agriculture land).

Land as such is not a depreciable asset.But developed land can be depreciated to the extent of the development.

Land is a type of asset which has no end of use.
It is not diminished by way use.
In economic sense, land has a limited supply and unlimited demand also known as infinite demand elasticity.
So, such kind of assets do not lose their economic benefit by use or expiration of time.
That's why no issue to be depreciated.
Depreciation is charged to assets which has a limited economic benefits or lose its economic benefit on use.

Mostly land prices is appreciated So we do not depreciate the land.

Depreciation is not charged on land .

Normally Land canot be depreciated rather it can be appriciated......

Normally in most of the teritories Land is alloted as Free-hold property and moreover it is not subjected to be deteriorated physically.... however in converse situation it should be depreciated.