Editing 40d:Soil

{{Quality|Masterwork|28 July 4:12 PM (UTC)}}{{av}}
'''Soil''' is the name for the various kinds of ground that can be [[farming|planted]] on without [[irrigation]] using [[water]].  In DF, the category of "Soil" includes all types of sand, clay, ooze and any "non-stone" layer equally, even if people generally don't associate that substance with "growing plants".


{| class="wikitable" cellspacing="0" border="1" cellpadding="5"
! Topsoil
! Tile
|-
|[[Clay]]||{{Raw Tile|▓|4:6:0}}{{Raw Tile|.|4:0}}
|-
|[[Clay loam]]||{{Raw Tile|▒|4:7:0}}{{Raw Tile|.|4:0}}
|-
|[[Loam]]||{{Raw Tile|░|6:7:0}}{{Raw Tile|.|6:0}} {{Raw Tile|≈|1:1:1}}
|-
|[[Loamy sand]]||{{Raw Tile|▒|6:6:1}}{{Raw Tile|.|6:1}} {{Raw Tile|≈|1:1:1}}
|-
|[[Peat]]||{{Raw Tile|░|0:6:1}}{{Raw Tile|.|0:1}} {{Raw Tile|≈|1:1:1}}
|-
|[[Sandy clay]]||{{Raw Tile|▒|4:6:0}}{{Raw Tile|.|4:0}}
|-
|[[Sandy clay loam]]||{{Raw Tile|░|4:6:0}}{{Raw Tile|.|4:0}} {{Raw Tile|≈|1:1:1}}
|-
|[[Sandy loam]]||{{Raw Tile|░|6:6:1}}{{Raw Tile|.|6:1}} {{Raw Tile|≈|1:1:1}}
|-
|[[Silt]]||{{Raw Tile|▓|6:7:0}}{{Raw Tile|.|6:0}} {{Raw Tile|≈|1:1:1}}
|-
|[[Silty clay]]||{{Raw Tile|▓|4:7:0}}{{Raw Tile|.|4:0}}
|-
|[[Silty clay loam]]||{{Raw Tile|░|4:7:0}}{{Raw Tile|.|4:0}} {{Raw Tile|≈|1:1:1}}
|-
|[[Silt loam]]||{{Raw Tile|▒|6:7:0}}{{Raw Tile|.|6:0}} {{Raw Tile|≈|1:1:1}}
|-
! Ocean Floor
! Tile
|-
|[[Pelagic clay]]||{{Raw Tile|░|4:6:0}}{{Raw Tile|.|4:0}} {{Raw Tile|≈|1:1:1}}
|-
|[[Siliceous ooze]]||{{Raw Tile|▒|4:7:0}}{{Raw Tile|.|4:0}} {{Raw Tile|≈|1:1:1}}
|-
|[[Calcareous ooze]]||{{Raw Tile|▒|4:7:0}}{{Raw Tile|.|4:0}} {{Raw Tile|≈|1:1:1}}
|-
! [[Sand]]
! Tile
|-
|[[Sand (tan)]]||{{Raw Tile|░|6:4:1}}{{Raw Tile|≈|6:1}} {{Raw Tile|≈|1:1:1}}
|-
|[[Black sand]]||{{Raw Tile|▓|0:6:1}}{{Raw Tile|≈|0:1}} {{Raw Tile|≈|1:1:1}}
|-
|[[Red sand]]||{{Raw Tile|░|4:4:1}}{{Raw Tile|≈|4:1}} {{Raw Tile|≈|1:1:1}}
|-
|[[White sand]]||{{Raw Tile|▓|7:6:1}}{{Raw Tile|≈|7:1}} {{Raw Tile|≈|1:1:1}}
|-
|[[Yellow sand]]||{{Raw Tile|▓|6:6:1}}{{Raw Tile|≈|6:1}} {{Raw Tile|≈|1:1:1}}
|}
'''Notes:'''
* The "topsoil" types listed in the upper part of the table do '''not''' count as [[sand]] for [[glass]]making, even if their names include the word "sand" - only those in the "Sand" section at the bottom are usable for this purpose.
* The 3 "ocean floor" layers are only found under deep [[ocean]] tiles, usually far out from any embarkable site. Thus, they can rarely, if ever, be encountered in either [[fortress mode]] or [[adventurer mode]].
* Soil layers marked with {{Raw Tile|≈|1:1:1}} are capable of supporting an [[aquifer]].


When starting a new fortress, types and quantities of available soils are listed at the bottom right of the fortress location selection screen. In contrast to [[rock]] types, soil type names appear in the same shade of brown as farm plots, and are usually closest to the top of the list, and thus, closest to the surface of the ground. <!-- belongs in fortress-starting article -->

Note, however, that you may only [[farming|plant]] cave [[plant|flora]] if the tile is marked "[[Subterranean]]." To check this, go to the tile in {{k|k}} mode. <!-- belongs in a farming article -->

Digging into soil does not generate any byproduct materials, unlike digging in [[rock]], and also is a much faster process which makes it much easier to create storerooms and other large areas of empty space, and to train [[miner]]s.

Soil cannot be [[smooth]]ed, so it can be difficult to make high value rooms, or pierce [[aquifer]]s.  Also, since soil cannot be [[smooth]]ed, soil cannot be used to make [[fortification]]s.

Building a [[farm plot]] or [[road]] or removing a [[construction]] on top of soil will cause it to become "furrowed", making it appear with the {{Tile|≈|6:0}} and {{Tile|~|6:0}} tiles. Above-ground furrowed soil will gradually smooth itself out, at which point grass and other vegetation will begin to grow, while subterranean soil will remain furrowed indefinitely. Sand always appears as {{Tile|≈|6:0}} and {{Tile|~|6:0}} and cannot become furrowed - as such, sand roads do not last as long as those made on ordinary soil.



{{Category|Soil Layers|*}}
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−	When starting a new fortress, types and quantities of available soils are listed at the bottom right of the fortress location selection screen. In contrast to [[rock]] types, soil type names appear in brown, and are usually closest to the top of the list, and thus, closest to the surface of the ground. <!-- belongs in fortress-starting article -->	+	When starting a new fortress, types and quantities of available soils are listed at the bottom right of the fortress location selection screen. In contrast to [[rock]] types, soil type names appear in the same shade of brown as farm plots, and are usually closest to the top of the list, and thus, closest to the surface of the ground. <!-- belongs in fortress-starting article -->

	Note, however, that you may only [[farming\|plant]] cave [[plant\|flora]] if the tile is marked "[[Subterranean]]." To check this, go to the tile in {{k\|k}} mode. <!-- belongs in a farming article -->		Note, however, that you may only [[farming\|plant]] cave [[plant\|flora]] if the tile is marked "[[Subterranean]]." To check this, go to the tile in {{k\|k}} mode. <!-- belongs in a farming article -->