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[ougadas]

I'm in year three of a fort (.25) and this is the first time I've seen this.

All of a sudden all four my farms say "No seeds available for this location".

All four were running on a seasonal rotation and I have several hundred of every seed.

They are where they have always been, in seed only stockpiles in rooms at the edge of my farming complex.

The farm plots were all built on muddied stone about 20 layers deep irrigated by a bucket brigade. There are no burrows except a mining burrow for training newbies, but I deleted it anyway to make sure.

Unfortunately I didn't notice until after a seasonal save so my bright idea of Ctrl+Alt+Del gets me nowhere.

Tinkering has been limited to a dfreveal at embark to plan my way around caverns, dig mines, place my huge digs away from ugly yellow stone, etc... , dfprospector to test for iron/flux, and DwarfTherapist.

Anyone had this experience? Can stone go unmuddy and "de-irrigate"? The spillover from my bucket brigade is muddy at least.

[Sphalerite]

Did you designate the stone for smoothing after the farms were built?  If you do that, the dwarves remove the mud as they smooth the stone, and the farm breaks.

[ougadas]

Doh!   

That must be it.

I didn't even think about my smoothing macro. It took quite a while for the engravers to make their way up to the farming complex.

Thank you, thank you, thank you.

I was really scratching my head on that one.

[geail]

BAM!  Look at the necro sizzle! (Didn't want to start a new thread about a similar topic)

My outside farm plots are giving me the same error message; the inside are fine.  I've checked that they are all on mud and have plenty of seeds.

[Necro910]

BAM!  Look at the necro sizzle! (Didn't want to start a new thread about a similar topic)

My outside farm plots are giving me the same error message; the inside are fine.  I've checked that they are all on mud and have plenty of seeds.

Silly, I am magma-proof.

[Girlinhat]

Did these outside farms used to work?  I've built "outside" farms by channeling out the surface layer and placing a farm on the under-soil, but if you slip and one tile is "underground" then the farm attempts to be neither.

[geail]

No, they are on the surface layer.  I cleared the area of trees and plants then watered everything down to get it muddy.  I also tried channeling down a layer and muddying that but was unsuccessful to use above-ground crops.

[Girlinhat]

You don't need to apply mud to soil, you can build a farm on it naturally.  I always channel out a 10x10 and place a big farm of strawberries and such.  But you have to find the strawberries first.  Dwarves do not naturally know about any surface plants, you must buy from humans/elves or forage them before they show up on the list.

[KtosoX]

You can grow under-ground plants on any under ground tile with soil or mud.
You can grow above-ground plants on any above ground tile with soil or mud.
Once a tile is exposed to light, it is permanently above ground, even if you build a roof above it.
Above-ground plants can't grow on mud.

[Girlinhat]

Above ground plants CAN grow on mud.  I've frequently used DFHack to set a block of 1/7 water above the ground, causing it to fall and create mud, which I then build a farm on.  I do this when I'm setting up a science fort and don't want to bother with real infrastructure, because it's quick.  For that matter, I've also accidentally created obsidian, mined it out, and put mud on it and was able to build a farm atop the mud.

[KtosoX]

From the wiki: farming must be done on soil or muddied rock
Yeah, mud can be used for an above ground farm as long as the right tile is present. My bad.

[INSANEcyborg]

BAM!  Look at the necro sizzle! (Didn't want to start a new thread about a similar topic)

My outside farm plots are giving me the same error message; the inside are fine.  I've checked that they are all on mud and have plenty of seeds.

Where are you building the farms?  Are they in the same area where you gathered the shrubs and cut down the trees?    You can't grow anything in certain areas, like mountains.  With the exception of grass, nothing grows there naturally, so for some reason the game won't let you plant anything there.  Same thing happens to lakes and oceans, if you drain them, you can't plant anything on the bottom.

[Girlinhat]

Glaciers as well.

[geail]

You can't grow anything in certain areas, like mountains.
[/quote]

That is probably the problem.  Where my farms are set up is right along the border of a mountain and forest region

[melomel]

You can't grow anything in certain areas, like mountains.

I've noticed this too.  My fort's next to an ocean; I've cleared out large underground spaces in the soil layers for pastures, but nothing grows on the yellow beach sand.  One chamber is half-beach and half sandy clay, and even in year two, not a single plant's grown in the yellow sand, while the clay is sprouting trees, plants, and moss.

I decided to fill it with monkeys instead.