Coco coir soil mix for cannabis.

[MiHale]

4. Eggshell is good for calcium in the long range...

but they take quite a while to break down. For an added boost of calcium non fat powdered milk works great it’s readily available for the roots to enjoy. The bagged compost would be good being in a plastic bag it got pretty well sterilized. The bagged manure may still be too ‘hot’ for seeds germinating and seedlings. Same for the awesome chicken poop, but if it’s been laying around for a while it could be great. I’d start slowly mix in a little watch your results and then sidedress with it in small amounts if needed. Chicken poop is some of the best fertilizer, fish guts too if available.
Do you have any Russian Comfrey growing? Here’s an informative link. I’ve heard chickens love the stuff.
Comfrey is my number one organic fertilizer.

https://www.allotment-garden.org/comfrey/#:~:text=Comfrey%20is%20versatile%20and%20can,from%20pigs%20to%20race%20horses.