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[Schwaab]

Hey,

Few questions:

- how to create working farm? I checked all the guides I was able to find but everywhere, there is nothing written about the need of water to create working underground farm.  I realized I need to irrigate my cave farm but I am simply unable to do it. I connected (outside) lake that was close to my cave with my (not working) farm with channels, but water is not flowing inside - its flowing only through channels, not inside the room. It looks like this:

lake - channels - room   or lake - channels - floodgate - channels - room

 Where am I doing mistake?

I also tried to use floodgate but its obvious I am missing something - floodgate is working (connected to lever etc) but water is still not flowing through ...

- please give me some WORKING guide... I would like to start playing this (probably) great game but its too complicated and everything I found is obviously outdated (including the guide here on this page) ..

Thanks in advance

Schwaab

[keda]

Did you pull the lever? Do you have enough water in the lake? If the channel is long and the lake is small, it will probably just flow up to a point and then just evaporate. Also if you have soil, its much easier to make a farm there instead, as no water is needed.

[Saladman]

And if it's not pulling the lever ("q" over the lever, "a"dd a job, "P"ull the lever)...  Channels dig down through the floor, so that you're really digging a tunnel with an open ceiling in the level below, not just a shallow ditch.  So water in a channel won't actually irrigate the level the channel was dug from, it irrigates the next level down.  I'm not sure, but from the description, this might be the problem.  Normally, flood irrigating from a murky pool just means mining up to it, and channeling out only the last connecting wall tile from above to save your miner from learning to swim.

If that is the problem, that's actually salvageable, it just means a little more delay.  Mine out (no channeling yet) farming rooms near the channel with a one tile wide passage leading up to it, and floodgate like you did before.  From the level above, channel out only the single wall tile left between the water channel and the tunnel connecting to the farm rooms.  Your layout should actually be fine in the long run, you can build or mine out stairs up to the empty rooms to use as food storage and possibly kitchen, still and farm workshops.  The only extra step would be if you're down into a stone layer for the farms: stone floors irrigate fine but you may want to loo"k" at and "d"ump any loose stones left by mining in stone.  Set a zone with I think "i" and have it accept garbage.  Preferably near a mason's workshop, and later loo"k" at and un"f"forbid the stones.

I think 2010 underground farms really do need to be irrigated even on soil layers, it must be 40D that doesn't.

edit:  or, to have irrigation explained from scratch, scroll down in this thread.  http://www.bay12forums.com/smf/index.php?topic=56914.0

[keda]

Yeah if your floor is covered with stones, then you wont see the water unless you specifically look at it with "k". Also if you use a river instead of a lake then you're guaranteed to not run out of water. Also channeling requires thinking in 3 dimensions, as when you channel you actually dig into the floor below. Usually when I have to to dig into a water source, I don't even do channeling, just mine right into it and the dwarf will run away from it (if not you can force him to do it by designating some digging area away from there and cancel it later) much faster than the water flows out.