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Caesar IV Heaven » Forums » Emperor: Game Help » Farm production and irrigation, or: Pecunia is confused
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Topic Subject:Farm production and irrigation, or: Pecunia is confused
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Pecunia
CBH Seraph
posted 10-22-02 06:16 ET (US)         
This morning, I decided to do some tests with farm production and the effects of irrigation. I choose an open play map to do this (settings: Steel age, peaceful cities, no disasters, Map: Fo Yu Testin, random seed: this)

Climate: humid
Crops available: Rice and Soybean

I built a small city of 252 people, set up a farm, warehouse, inspector and well, and also an irrigation pump, which could be switched on/off if needed by a road tile. I laid out a farm, waited a year, let the harvest go into the warehouse, and noted the amount of food the farm produced. Food was then either given to the heroes or deleted (delete warehouse & rebuild warehouse). I tested 2 or 3 years per farm 'layout', and tested with both not irrigated and all irrigated. The results I have confuse me, and not just a little.

- In the following situations, North is always in the top left corner.
- The table with production lists 2 numbers for every situation, the first is the one I got in the first year, the second in the second year. After that the numbers repeat (if they are different).
- In all situations, there are 36 rice paddies, and 33 soybean fields. Fertility is 65% on all tiles.
Legend:
soybean field
rice paddy
farmhouse

Situation 1:
<><><><>
<><><>
<><><><>
Farm House
<>
<><>
<>
<><>
<>

Production:
Not irrigatedIrrigated
Rice151575
Soybean11101212

Conclusion: do NOT irrigate your rice fields!

Situation 2:
<>
<>
<><>
<>Farm House
<><>
<>
<><><>
<><><><>
<><><>

Production:
Not irrigatedIrrigated
Rice13131312
Soybean11111616

Conclusion: you can irrigate your rice fields or not, the production will stay about the same. But.. be sure to irrigate your soybean fields.

Situation 3:
<>
<>
<>
Farm House
<>
<>
<><>
<><>
<><>

Production:
Not irrigatedIrrigated
Rice121220(!)20
Soybean111188

Conclusion: WOW, you'd better irrigate your rice fields! but be sure you don't irrigate the soybean fields...

Situation 4:
<><><>
<><>
<>
Farm House<><>
<><>
<><>
<><>
<><>
<><>

Production:
Not irrigatedIrrigated
Rice11111212
Soybean991411

Conclusion: is this how it is supposed to work?


I am really confused at the outcome.. the amount of fields is the same in every layout, yet production sure isn't the same. Any thoughts on this?


Angel Pecunia | HG Downloads programmer and techie
Caesar IV Heaven | Children of the Nile Heaven | Citadel of Poseidon (Zeus/Poseidon) | The Great Wall (Emperor)
AuthorReplies:
Gweilo
Angel
posted 06-22-20 07:12 ET (US)     51 / 54       
No problem resurrecting necro threads as long as you have a relevant addition to them. Thanks.

Expand your fun by downloading free custom campaigns for Emperor: Rise of the Middle Kingdom.
Visit Zeus Heaven to expand your knowledge of Zeus and Poseidon.
user3
Pleb
posted 06-23-20 02:06 ET (US)     52 / 54       
Hmm, I always assumed irrigation was plus 35% to fertility. So, a desert map without a decent water table may yield as low as 10% fertility, plus 35% for irrigation = 45% fertility. That's a wapping 450% expected increase.

Shrug, its a math thing, I think.

Gweilo had some desert maps with some streams that netted maybe twice the food production per farm if the player bothered with optimizing with irrigation.

[This message has been edited by user3 (edited 06-23-2020 @ 02:14 AM).]

Serrataur
Pleb
posted 06-24-20 03:45 ET (US)     53 / 54       
Since desert was mentioned, I thought I'd add a few more quick and dirty tests:

Semi arid around oasis (some good cropland but mostly poor and a small amount of desert - narrow band of rich and ideal cropland excluded) 10% to 48% fertility

35 fields of Millet + 34 fields of Cabbage.
Irrigated total food = 2000
Non irrigated = 1100
% increase = 82%

57 fields of Hemp.
Irrrigated = 1100
Non irrigated =600
% increase = 83%



High Desert (No Water Table) 10 % Fertility.

33 fields of Wheat + 33 fields of Millet
Irrigated total food =1600
Non irrigated total = 200
% increase = 800%

However, it is not so much the % increase that's important here, but the amount since the crop yield if not irrigated is tiny.
lisa1212
Pleb
posted 07-08-20 16:27 ET (US)     54 / 54       
Baltic

Irrigation will come into its own on desert maps. That is where the water table shows as yellow.

I always surround my desert farm tiles, where possible, with irrigation ditches, leaving no spaces between the ditch and the farm's perimeter.

[This message has been edited by lisa1212 (edited 07-08-2020 @ 04:35 PM).]

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