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Editing Irrigation
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− | + | {{Quality|Masterwork|23:39, 27 April 2013 (UTC)}} | |
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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. Once your floor is successfully muddied no further irrigation will be required, unless you somehow remove the mud (by building a [[construction|constructed]] floor or chopping down a [[tree]], for instance). | ||
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]]s 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 | + | Irrigation is especially useful in [[biome]]s 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 which overlap unsuitable ground will be irregularly-shaped, but still usable. (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.) | Farm plots which overlap unsuitable ground will be irregularly-shaped, but still usable. (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]]s. |
− | 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. Be careful however: if the stone beneath mud is designated for smoothing, the dwarves will not smooth it, but they will proceed to clean the mud, which will make the farm plot unusable. |
[[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]]. |