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Editing Irrigation
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− | + | {{Quality|Masterwork|23:39, 27 April 2013 (UTC)}} | |
− | {{Quality| | ||
{{av}} | {{av}} | ||
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+ | [[Farming]] is only possible on [[mud]] and [[soil]]. Any terrain can be made muddy, and therefore suitable for farming, by dumping water on it. In Dwarf Fortress, 'Irrigation' is used as a fancy word for dumping water onto terrain that isn't useful for farming, in order to make it so. | ||
Any amount of water dropped, pumped, or otherwise transported onto a tile will leave behind at least 'a dusting of mud', and this is sufficient for farming. Farm plots cannot be built on terrain with [[water depth|a water level of more than 1/7]], and more mud has no apparent effect on farm output, so it's best to use a minimum of water to irrigate. | Any amount of water dropped, pumped, or otherwise transported onto a tile will leave behind at least 'a dusting of mud', and this is sufficient for farming. Farm plots cannot be built on terrain with [[water depth|a water level of more than 1/7]], and more mud has no apparent effect on farm output, so it's best to use a minimum of water to irrigate. | ||
− | Irrigation is especially useful in [[biome]] | + | Irrigation is especially useful in [[biome|biomes]] with little soil, and deep underground. However, no amount of irrigation will make it possible to grow surface plants in a hostile [[biome]], such as mountains. This is a matter of climate, not soil conditions. |
− | Farm plots | + | Farm plots can be built on unsuitable ground but doing so will display a warning message. If even a one tile of the plot lacks mud or soil, the entire plot will be unusable. (However, note that when placing an outdoor farm plot, the game will always erroneously report that there is no usable mud/soil. This is a bug - if the plot is green it will function correctly.) |
− | Sadly, [[magma]] cannot be used to irrigate, as it | + | Sadly, [[magma]] cannot be used to irrigate, as it does not leave behind mud. It's usually best <s>not</s> to confuse molten rock and liquid water, although the use of both in tandem may help with schemes to irrigate [[glacier|glaciers]]. |
− | All types of [[soil]] can be farmed with no need for irrigation, even [[sand]]. Irrigation is '''''not''''' required for farming. Any underground | + | All types of [[soil]] can be farmed with no need for irrigation, even [[sand]]. Irrigation is '''''not''''' required for farming. Any soil underground can be used to farm; irrigation is only required on stone. |
[[Cavern|In certain conditions]], irrigation can convert rock floors into soil floors. This can be useful for transporting valuable soil like [[fire clay]] or [[sand]] closer to [[magma]]. | [[Cavern|In certain conditions]], irrigation can convert rock floors into soil floors. This can be useful for transporting valuable soil like [[fire clay]] or [[sand]] closer to [[magma]]. | ||
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This method relies on [[activity zone]]s, as water for irrigation can't simply be dropped on the ground, but must fall from the level above. | This method relies on [[activity zone]]s, as water for irrigation can't simply be dropped on the ground, but must fall from the level above. | ||
− | + | Step one: Designate a water source activity zone over the edge of a body of water. In a saltwater biome, a [[well]] must be constructed, instead. | |
− | + | Step two: Dig out or construct a drop-off point just above where you want your farms to be. This most often takes the form of a balcony, catwalk, or scaffolding. Alternately, [[mining|channel]] out a shaft and/or staircase all the way up to the surface. Water can safely fall any distance. | |
− | + | Step three: Designate a [[activity zone#Pit/Pond|pit/pond zone]] at the drop-off point, or several if you'd prefer speed over conservation of buckets. By default, these zones are pits; make sure to switch them to ponds, and to remove them once you have all the mud you need. | |
That's it! | That's it! | ||
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This reservoir contains 70 units of water (10x7). 9 units of water are lost to the ground of the reservoir (61 left). Roughly 10 units evaporate while spreading (~51). The water should be just enough to cover the whole farm plot and evaporate quickly. | This reservoir contains 70 units of water (10x7). 9 units of water are lost to the ground of the reservoir (61 left). Roughly 10 units evaporate while spreading (~51). The water should be just enough to cover the whole farm plot and evaporate quickly. | ||
+ | {{Farming FAQ}} | ||
{{Category|Agriculture}} | {{Category|Agriculture}} | ||
{{Category|Guides}} | {{Category|Guides}} | ||
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