Q.Why Are My Carrot And Radishes Not Developing?
Raised bed with compost. Not using fertilizer.

Certified GKH Gardening Expert
There is, likely, too much nitrogen, and not enough phosphorus and potassium. Amending with sources of both will be the best course of action.
These articles will help:
https://www.gardeningknowhow.com/edible/vegetables/carrot/carrots-not-forming.htm
https://www.gardeningknowhow.com/edible/vegetables/radish/radish-does-not-form-bulbs.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/soil-ph-plants.htm