Q.Potting Mix
Should we add compost, manure /fertiliser in pots with potting mix?
Certified GKH Gardening Expert
This depends on the plant in question and the nutreitn content of the potting mix of your choice.
Be sure to test soil for nutrient contents, or refer to the back of the bag of soil for nutrient content.
These articles will help:
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm
https://www.gardeningknowhow.com/special/organic/the-importance-of-soil-for-an-organic-garden.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/improving-garden-soil.htm