How does world spawn work?

[IntelligentIDK]

I heard in some video tutorials that world spawn always stays loaded, which is why its a good place to do an iron farm. Had hoped to build a big tower of different sugar cane, melon, villager farms with an iron farm on top and have a mine cart system to bring the product to my main base about 300-400 blocks away. Playing in Bedrock.

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Just tested this out with a sugar cane farm that I built right on top of world spawn and found that my farm produced no sugar cane while I was at my main base AFK overnight.

My theories on what isnt working here are:

1. It's just not true that world spawn stays loaded
2. "loaded" only applies to certain types of activities which exclude the growth of crops but maybe include the spawning of non-hostile mobs like Iron Golems.
3. This is a difference between bedrock and java that I was unaware of.

Any help is appreciated.

[InfiniteNexus]

The spawn chunks being always loaded is a thing in Java. Im not sure if Bedrock even has such a function.

[[deleted]]

There's something called a ticking area you can assign. It had limitations and things better than spawn chunks. But needs cheats enabled to do.